/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:45:40,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:45:40,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:45:40,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:45:40,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:45:40,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:45:40,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:45:40,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:45:40,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:45:40,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:45:40,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:45:40,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:45:40,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:45:40,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:45:40,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:45:40,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:45:40,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 14:45:40,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:45:40,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:45:40,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:45:40,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:45:40,654 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:45:40,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:45:40,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:45:40,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:45:40,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:45:40,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:45:40,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:45:40,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:45:40,657 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:45:40,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:45:40,657 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:45:40,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:45:40,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:45:40,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:45:40,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:45:40,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:45:40,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:45:40,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:45:40,659 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:45:40,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:45:40,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:45:40,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:45:40,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:45:40,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:45:40,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:45:40,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:45:40,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:45:40,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:45:40,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:45:40,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:45:40,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:45:40,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:45:40,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:45:40,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:45:41,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:45:41,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:45:41,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:45:41,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:45:41,083 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:45:41,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/net_reset.c [2022-10-16 14:45:41,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70cc83d/6feb4ab18ad34b968a9a5d3159a01f6f/FLAGbfc8d0b26 [2022-10-16 14:45:41,752 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:45:41,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c [2022-10-16 14:45:41,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70cc83d/6feb4ab18ad34b968a9a5d3159a01f6f/FLAGbfc8d0b26 [2022-10-16 14:45:42,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70cc83d/6feb4ab18ad34b968a9a5d3159a01f6f [2022-10-16 14:45:42,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:45:42,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:45:42,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:45:42,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:45:42,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:45:42,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:42" (1/1) ... [2022-10-16 14:45:42,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4115a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:42, skipping insertion in model container [2022-10-16 14:45:42,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:45:42" (1/1) ... [2022-10-16 14:45:42,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:45:42,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:45:42,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2022-10-16 14:45:42,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:45:43,594 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:45:43,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2022-10-16 14:45:43,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:45:43,669 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:45:43,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43 WrapperNode [2022-10-16 14:45:43,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:45:43,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:45:43,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:45:43,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:45:43,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,715 INFO L138 Inliner]: procedures = 17, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 91 [2022-10-16 14:45:43,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:45:43,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:45:43,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:45:43,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:45:43,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:45:43,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:45:43,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:45:43,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:45:43,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (1/1) ... [2022-10-16 14:45:43,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:45:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:45:43,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:45:43,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:45:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:45:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2022-10-16 14:45:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:45:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:45:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:45:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:45:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:45:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:45:44,092 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:45:44,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:45:44,284 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:45:44,292 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:45:44,292 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 14:45:44,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:44 BoogieIcfgContainer [2022-10-16 14:45:44,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:45:44,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:45:44,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:45:44,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:45:44,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:45:42" (1/3) ... [2022-10-16 14:45:44,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac15fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:44, skipping insertion in model container [2022-10-16 14:45:44,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:45:43" (2/3) ... [2022-10-16 14:45:44,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac15fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:45:44, skipping insertion in model container [2022-10-16 14:45:44,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:45:44" (3/3) ... [2022-10-16 14:45:44,305 INFO L112 eAbstractionObserver]: Analyzing ICFG net_reset.c [2022-10-16 14:45:44,330 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:45:44,330 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-16 14:45:44,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:45:44,399 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=FINITE_AUTOMATA, 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;@20b9f043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:45:44,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-16 14:45:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 30 states have internal predecessors, (37), 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) [2022-10-16 14:45:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:45:44,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:44,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:45:44,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 14:45:44,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:44,421 INFO L85 PathProgramCache]: Analyzing trace with hash 28694147, now seen corresponding path program 1 times [2022-10-16 14:45:44,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:44,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7732809] [2022-10-16 14:45:44,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:44,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:45:44,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:44,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7732809] [2022-10-16 14:45:44,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7732809] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:45:44,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:45:44,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 14:45:44,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882821830] [2022-10-16 14:45:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:45:44,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:45:44,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:44,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:45:44,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:45:44,866 INFO L87 Difference]: Start difference. First operand has 31 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 30 states have internal predecessors, (37), 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) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 14:45:44,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:44,902 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-10-16 14:45:44,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:45:44,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2022-10-16 14:45:44,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:44,915 INFO L225 Difference]: With dead ends: 47 [2022-10-16 14:45:44,916 INFO L226 Difference]: Without dead ends: 20 [2022-10-16 14:45:44,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:45:44,927 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:44,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:45:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-10-16 14:45:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-10-16 14:45:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 19 states have internal predecessors, (24), 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) [2022-10-16 14:45:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-10-16 14:45:44,997 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 5 [2022-10-16 14:45:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:44,998 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-10-16 14:45:44,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-10-16 14:45:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-16 14:45:45,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:45:45,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:45,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:45:45,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:45:45,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 14:45:45,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:45,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1198494381, now seen corresponding path program 1 times [2022-10-16 14:45:45,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:45,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511008075] [2022-10-16 14:45:45,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:45,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:45:45,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:45,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511008075] [2022-10-16 14:45:45,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511008075] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:45:45,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:45:45,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:45:45,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733060262] [2022-10-16 14:45:45,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:45:45,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:45:45,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:45,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:45:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:45:45,291 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-10-16 14:45:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:45,361 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-10-16 14:45:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:45:45,361 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2022-10-16 14:45:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:45,362 INFO L225 Difference]: With dead ends: 20 [2022-10-16 14:45:45,363 INFO L226 Difference]: Without dead ends: 19 [2022-10-16 14:45:45,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:45:45,365 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 59 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:45,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 36 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:45:45,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-10-16 14:45:45,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-10-16 14:45:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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) [2022-10-16 14:45:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-10-16 14:45:45,371 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 15 [2022-10-16 14:45:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:45,372 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-10-16 14:45:45,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-10-16 14:45:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-16 14:45:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 14:45:45,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:45,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:45:45,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:45:45,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-10-16 14:45:45,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:45,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1501379941, now seen corresponding path program 1 times [2022-10-16 14:45:45,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:45,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759282983] [2022-10-16 14:45:45,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:45:45,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:45,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759282983] [2022-10-16 14:45:45,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759282983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:45:45,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:45:45,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:45:45,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947893043] [2022-10-16 14:45:45,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:45:45,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:45:45,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:45:45,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:45:45,534 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-10-16 14:45:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:45,572 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-10-16 14:45:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:45:45,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2022-10-16 14:45:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:45,573 INFO L225 Difference]: With dead ends: 19 [2022-10-16 14:45:45,573 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 14:45:45,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:45:45,576 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:45,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:45:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 14:45:45,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 14:45:45,578 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) [2022-10-16 14:45:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 14:45:45,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-10-16 14:45:45,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:45,579 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 14:45:45,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-10-16 14:45:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 14:45:45,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 14:45:45,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-10-16 14:45:45,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-10-16 14:45:45,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-10-16 14:45:45,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-10-16 14:45:45,584 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-10-16 14:45:45,585 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-10-16 14:45:45,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:45:45,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 14:45:45,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,610 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2022-10-16 14:45:45,610 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 14:45:45,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 202) no Hoare annotation was computed. [2022-10-16 14:45:45,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 14:45:45,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 14:45:45,611 INFO L895 garLoopResultBuilder]: At program point L218(lines 218 228) the Hoare annotation is: (and (= ~fstTTL~0 1) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-10-16 14:45:45,611 INFO L895 garLoopResultBuilder]: At program point L214(lines 205 215) the Hoare annotation is: (= ~fstTTL~0 1) [2022-10-16 14:45:45,612 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 211) no Hoare annotation was computed. [2022-10-16 14:45:45,612 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-10-16 14:45:45,612 INFO L899 garLoopResultBuilder]: For program point L202-1(line 202) no Hoare annotation was computed. [2022-10-16 14:45:45,612 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 196) no Hoare annotation was computed. [2022-10-16 14:45:45,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 202) no Hoare annotation was computed. [2022-10-16 14:45:45,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 14:45:45,613 INFO L895 garLoopResultBuilder]: At program point L194-2(lines 193 198) the Hoare annotation is: false [2022-10-16 14:45:45,613 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-10-16 14:45:45,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,613 INFO L895 garLoopResultBuilder]: At program point L236(lines 233 237) the Hoare annotation is: (= ~fstTTL~0 1) [2022-10-16 14:45:45,614 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2022-10-16 14:45:45,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,614 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-10-16 14:45:45,614 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 231) no Hoare annotation was computed. [2022-10-16 14:45:45,614 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,615 INFO L899 garLoopResultBuilder]: For program point L208-1(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,615 INFO L899 garLoopResultBuilder]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2022-10-16 14:45:45,615 INFO L899 garLoopResultBuilder]: For program point L208-5(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,615 INFO L899 garLoopResultBuilder]: For program point L208-6(line 208) no Hoare annotation was computed. [2022-10-16 14:45:45,615 INFO L895 garLoopResultBuilder]: At program point L208-7(lines 208 213) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_net_send_batch_~i~0#1|) (= ~fstTTL~0 1) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-10-16 14:45:45,616 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 204) no Hoare annotation was computed. [2022-10-16 14:45:45,616 INFO L899 garLoopResultBuilder]: For program point L208-8(lines 208 213) no Hoare annotation was computed. [2022-10-16 14:45:45,621 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-16 14:45:45,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:45:45,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:45:45 BoogieIcfgContainer [2022-10-16 14:45:45,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:45:45,643 INFO L158 Benchmark]: Toolchain (without parser) took 3517.09ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 126.9MB in the beginning and 65.0MB in the end (delta: 61.9MB). Peak memory consumption was 113.9MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,643 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:45:45,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.61ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 126.7MB in the beginning and 101.7MB in the end (delta: 25.0MB). Peak memory consumption was 159.0MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.83ms. Allocated memory is still 203.4MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,646 INFO L158 Benchmark]: Boogie Preprocessor took 66.10ms. Allocated memory is still 203.4MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,646 INFO L158 Benchmark]: RCFGBuilder took 510.94ms. Allocated memory is still 203.4MB. Free memory was 98.6MB in the beginning and 85.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,647 INFO L158 Benchmark]: TraceAbstraction took 1344.26ms. Allocated memory is still 203.4MB. Free memory was 84.9MB in the beginning and 65.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-10-16 14:45:45,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 153.1MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1536.61ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 126.7MB in the beginning and 101.7MB in the end (delta: 25.0MB). Peak memory consumption was 159.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.83ms. Allocated memory is still 203.4MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.10ms. Allocated memory is still 203.4MB. Free memory was 99.6MB in the beginning and 98.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 510.94ms. Allocated memory is still 203.4MB. Free memory was 98.6MB in the beginning and 85.5MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1344.26ms. Allocated memory is still 203.4MB. Free memory was 84.9MB in the beginning and 65.0MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * 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: 202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 208]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 208]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 208]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 208]: 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 1 procedures, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 55 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 9 NumberOfFragments, 28 HoareAnnotationTreeSize, 5 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 6 specifications checked. All of them hold - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: fstTTL == 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (0 <= i && fstTTL == 1) && batch_at + 1 <= fstTTL - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: fstTTL == 1 && batch_at + 1 <= fstTTL - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: fstTTL == 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-10-16 14:45:45,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...