./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:58:47,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:58:47,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 21:58:47,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:58:47,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:58:47,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:58:47,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:58:47,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:58:47,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:58:47,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:58:47,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:58:47,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:58:47,640 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:58:47,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:58:47,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:58:47,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:58:47,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:58:47,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:58:47,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:58:47,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:58:47,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:58:47,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:58:47,646 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 21:58:47,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:58:47,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:58:47,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:58:47,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:58:47,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:58:47,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:58:47,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:58:47,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:58:47,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:58:47,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:58:47,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:58:47,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:58:47,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:58:47,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:58:47,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:58:47,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:58:47,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:58:47,656 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:58:47,657 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dab30decfbae0c46e4e194ef831d046546cde9953841ff8fbd0a15005d51c024 [2023-11-06 21:58:47,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:58:47,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:58:47,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:58:47,945 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:58:47,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:58:47,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-06 21:58:51,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:58:51,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:58:51,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/sv-benchmarks/c/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2023-11-06 21:58:51,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/data/61df9c2c8/6ae455f8a209421384de16f08c9c1778/FLAG5eab98001 [2023-11-06 21:58:51,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/data/61df9c2c8/6ae455f8a209421384de16f08c9c1778 [2023-11-06 21:58:51,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:58:51,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:58:51,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:58:51,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:58:51,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:58:51,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766131b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51, skipping insertion in model container [2023-11-06 21:58:51,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:58:51,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:58:51,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:58:51,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:58:51,655 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:58:51,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51 WrapperNode [2023-11-06 21:58:51,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:58:51,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:58:51,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:58:51,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:58:51,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,706 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 175 [2023-11-06 21:58:51,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:58:51,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:58:51,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:58:51,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:58:51,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:58:51,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:58:51,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:58:51,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:58:51,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (1/1) ... [2023-11-06 21:58:51,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:58:51,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:58:51,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:58:51,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:58:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-06 21:58:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-06 21:58:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:58:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:58:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:58:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:58:51,936 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:58:51,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:58:52,182 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:58:52,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:58:52,189 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:58:52,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:58:52 BoogieIcfgContainer [2023-11-06 21:58:52,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:58:52,194 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:58:52,194 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:58:52,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:58:52,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:58:51" (1/3) ... [2023-11-06 21:58:52,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da150f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:58:52, skipping insertion in model container [2023-11-06 21:58:52,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:58:51" (2/3) ... [2023-11-06 21:58:52,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da150f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:58:52, skipping insertion in model container [2023-11-06 21:58:52,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:58:52" (3/3) ... [2023-11-06 21:58:52,201 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+nlh-reducer.c [2023-11-06 21:58:52,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:58:52,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 21:58:52,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:58:52,271 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38b234c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:58:52,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 21:58:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 47 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 21:58:52,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 21:58:52,304 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:58:52,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:58:52,309 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 21:58:52,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:58:52,317 INFO L85 PathProgramCache]: Analyzing trace with hash 461989306, now seen corresponding path program 1 times [2023-11-06 21:58:52,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:58:52,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151379556] [2023-11-06 21:58:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:58:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:58:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:58:52,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:58:52,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151379556] [2023-11-06 21:58:52,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151379556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:58:52,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:58:52,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:58:52,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811425493] [2023-11-06 21:58:52,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:58:52,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:58:52,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:58:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:58:52,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:58:52,625 INFO L87 Difference]: Start difference. First operand has 51 states, 45 states have (on average 1.5777777777777777) internal successors, (71), 47 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:52,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:58:52,717 INFO L93 Difference]: Finished difference Result 62 states and 85 transitions. [2023-11-06 21:58:52,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:58:52,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-06 21:58:52,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:58:52,727 INFO L225 Difference]: With dead ends: 62 [2023-11-06 21:58:52,727 INFO L226 Difference]: Without dead ends: 42 [2023-11-06 21:58:52,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:58:52,741 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 16 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:58:52,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 99 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:58:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-06 21:58:52,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-06 21:58:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:52,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 54 transitions. [2023-11-06 21:58:52,796 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 54 transitions. Word has length 17 [2023-11-06 21:58:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:58:52,798 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 54 transitions. [2023-11-06 21:58:52,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2023-11-06 21:58:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-06 21:58:52,800 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:58:52,800 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:58:52,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:58:52,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 21:58:52,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:58:52,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1638946699, now seen corresponding path program 1 times [2023-11-06 21:58:52,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:58:52,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788298097] [2023-11-06 21:58:52,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:58:52,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:58:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:58:53,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:58:53,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788298097] [2023-11-06 21:58:53,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788298097] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:58:53,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526361943] [2023-11-06 21:58:53,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:58:53,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:58:53,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:58:53,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:58:53,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 21:58:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:53,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 21:58:53,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:58:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:58:53,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 21:58:53,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526361943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:58:53,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 21:58:53,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 21:58:53,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30735152] [2023-11-06 21:58:53,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:58:53,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 21:58:53,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:58:53,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 21:58:53,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:58:53,345 INFO L87 Difference]: Start difference. First operand 42 states and 54 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:58:53,369 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2023-11-06 21:58:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 21:58:53,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2023-11-06 21:58:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:58:53,372 INFO L225 Difference]: With dead ends: 42 [2023-11-06 21:58:53,372 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 21:58:53,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 21:58:53,374 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 33 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:58:53,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 66 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:58:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 21:58:53,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 21:58:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2023-11-06 21:58:53,383 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 33 [2023-11-06 21:58:53,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:58:53,383 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2023-11-06 21:58:53,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2023-11-06 21:58:53,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-06 21:58:53,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:58:53,386 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:58:53,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:58:53,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:58:53,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 21:58:53,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:58:53,592 INFO L85 PathProgramCache]: Analyzing trace with hash 732259964, now seen corresponding path program 1 times [2023-11-06 21:58:53,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:58:53,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906692616] [2023-11-06 21:58:53,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:58:53,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:58:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:58:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:58:53,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:58:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906692616] [2023-11-06 21:58:53,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906692616] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:58:53,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:58:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:58:53,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913968358] [2023-11-06 21:58:53,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:58:53,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:58:53,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:58:53,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:58:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:58:53,706 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:58:53,727 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2023-11-06 21:58:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:58:53,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-06 21:58:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:58:53,729 INFO L225 Difference]: With dead ends: 41 [2023-11-06 21:58:53,729 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:58:53,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:58:53,732 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:58:53,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 47 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:58:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:58:53,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:58:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:58:53,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2023-11-06 21:58:53,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:58:53,734 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:58:53,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:58:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:58:53,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:58:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 21:58:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 21:58:53,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:58:53,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:58:53,841 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-11-06 21:58:53,842 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2023-11-06 21:58:53,843 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4) the Hoare annotation is: true [2023-11-06 21:58:53,843 INFO L902 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: true [2023-11-06 21:58:53,843 INFO L899 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2023-11-06 21:58:53,843 INFO L895 garLoopResultBuilder]: At program point L118(lines 115 143) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,843 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 236) no Hoare annotation was computed. [2023-11-06 21:58:53,844 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 248) no Hoare annotation was computed. [2023-11-06 21:58:53,844 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 275) the Hoare annotation is: true [2023-11-06 21:58:53,844 INFO L895 garLoopResultBuilder]: At program point $Ultimate##30(lines 94 191) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,844 INFO L895 garLoopResultBuilder]: At program point $Ultimate##36(lines 103 171) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,844 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 264) no Hoare annotation was computed. [2023-11-06 21:58:53,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2023-11-06 21:58:53,845 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:58:53,845 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2023-11-06 21:58:53,845 INFO L895 garLoopResultBuilder]: At program point L111(lines 108 161) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,845 INFO L895 garLoopResultBuilder]: At program point L78(lines 74 210) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (= |ULTIMATE.start_main_~main__i~0#1| 0)) [2023-11-06 21:58:53,846 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: (= |ULTIMATE.start_main_~main__i~0#1| 0) [2023-11-06 21:58:53,850 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-11-06 21:58:53,850 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 235) no Hoare annotation was computed. [2023-11-06 21:58:53,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2023-11-06 21:58:53,851 INFO L895 garLoopResultBuilder]: At program point L62(lines 59 218) the Hoare annotation is: (= |ULTIMATE.start_main_~main__i~0#1| 0) [2023-11-06 21:58:53,851 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 274) no Hoare annotation was computed. [2023-11-06 21:58:53,851 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:58:53,851 INFO L895 garLoopResultBuilder]: At program point L195(lines 88 203) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,852 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 203) no Hoare annotation was computed. [2023-11-06 21:58:53,852 INFO L895 garLoopResultBuilder]: At program point L55(lines 52 236) the Hoare annotation is: (= |ULTIMATE.start_main_~main__i~0#1| 0) [2023-11-06 21:58:53,852 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 148) no Hoare annotation was computed. [2023-11-06 21:58:53,852 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 243) no Hoare annotation was computed. [2023-11-06 21:58:53,852 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 259) no Hoare annotation was computed. [2023-11-06 21:58:53,852 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 183) no Hoare annotation was computed. [2023-11-06 21:58:53,853 INFO L902 garLoopResultBuilder]: At program point L188(lines 39 259) the Hoare annotation is: true [2023-11-06 21:58:53,853 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:58:53,853 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 198) no Hoare annotation was computed. [2023-11-06 21:58:53,853 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 223) no Hoare annotation was computed. [2023-11-06 21:58:53,853 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 143) no Hoare annotation was computed. [2023-11-06 21:58:53,853 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-06 21:58:53,854 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-06 21:58:53,854 INFO L895 garLoopResultBuilder]: At program point L140(lines 113 148) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,854 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 178) no Hoare annotation was computed. [2023-11-06 21:58:53,854 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:58:53,854 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 135) no Hoare annotation was computed. [2023-11-06 21:58:53,854 INFO L895 garLoopResultBuilder]: At program point L215(lines 57 223) the Hoare annotation is: (= |ULTIMATE.start_main_~main__i~0#1| 0) [2023-11-06 21:58:53,855 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 209) no Hoare annotation was computed. [2023-11-06 21:58:53,855 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 161) no Hoare annotation was computed. [2023-11-06 21:58:53,855 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 253) no Hoare annotation was computed. [2023-11-06 21:58:53,855 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 269) no Hoare annotation was computed. [2023-11-06 21:58:53,855 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 218) no Hoare annotation was computed. [2023-11-06 21:58:53,855 INFO L895 garLoopResultBuilder]: At program point L175(lines 97 183) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~main__i~0#1| 99999) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) [2023-11-06 21:58:53,856 INFO L902 garLoopResultBuilder]: At program point L167(lines 47 243) the Hoare annotation is: true [2023-11-06 21:58:53,856 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 210) no Hoare annotation was computed. [2023-11-06 21:58:53,859 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:58:53,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:58:53,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:58:53 BoogieIcfgContainer [2023-11-06 21:58:53,889 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:58:53,891 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:58:53,891 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:58:53,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:58:53,892 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:58:52" (3/4) ... [2023-11-06 21:58:53,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:58:53,899 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-06 21:58:53,909 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 21:58:53,910 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:58:53,911 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:58:53,911 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:58:54,023 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:58:54,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:58:54,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:58:54,025 INFO L158 Benchmark]: Toolchain (without parser) took 2683.83ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 96.3MB in the beginning and 72.3MB in the end (delta: 24.0MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,026 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:58:54,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.55ms. Allocated memory is still 134.2MB. Free memory was 96.3MB in the beginning and 84.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.16ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:58:54,027 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,027 INFO L158 Benchmark]: RCFGBuilder took 456.98ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 67.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,028 INFO L158 Benchmark]: TraceAbstraction took 1695.65ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 77.6MB in the end (delta: -10.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,028 INFO L158 Benchmark]: Witness Printer took 133.86ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 72.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:58:54,030 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.55ms. Allocated memory is still 134.2MB. Free memory was 96.3MB in the beginning and 84.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.16ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 134.2MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.98ms. Allocated memory is still 134.2MB. Free memory was 81.2MB in the beginning and 67.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1695.65ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 66.9MB in the beginning and 77.6MB in the end (delta: -10.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 133.86ms. Allocated memory is still 161.5MB. Free memory was 77.6MB in the beginning and 72.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 157 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 77 HoareAnnotationTreeSize, 18 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 5/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((main__i <= 99999) && (1 <= main__i)) || (main__i == 0)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (main__i == 0) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (main__i == 0) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((main__i <= 99999) && (1 <= main__i)) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (main__i == 0) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 21:58:54,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c94748-7712-42a0-82e2-127059e8714a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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