/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 10:44:16,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 10:44:16,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 10:44:16,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-27 10:44:16,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 10:44:16,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 10:44:16,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 10:44:16,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2022-04-27 10:44:16,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 10:44:16,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 10:44:16,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-27 10:44:16,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-27 10:44:16,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 10:44:16,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 10:44:16,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 10:44:16,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 10:44:16,743 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 10:44:16,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 10:44:16,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 10:44:16,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 10:44:16,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 10:44:16,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 10:44:16,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 10:44:16,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 10:44:16,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 10:44:16,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 10:44:16,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 10:44:16,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:44:16,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 10:44:16,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 10:44:16,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 10:44:16,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 10:44:16,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 10:44:16,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-04-27 10:44:16,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-27 10:44:16,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 10:44:16,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 10:44:16,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 10:44:16,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 10:44:16,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 10:44:16,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 10:44:16,952 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 10:44:16,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2022-04-27 10:44:17,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fbfe51/147f7fb85357460087397c5c2cd16fc1/FLAG33e5f346c [2022-04-27 10:44:17,416 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 10:44:17,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c [2022-04-27 10:44:17,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fbfe51/147f7fb85357460087397c5c2cd16fc1/FLAG33e5f346c [2022-04-27 10:44:17,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fbfe51/147f7fb85357460087397c5c2cd16fc1 [2022-04-27 10:44:17,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 10:44:17,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-27 10:44:17,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 10:44:17,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 10:44:17,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 10:44:17,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:44:17" (1/1) ... [2022-04-27 10:44:17,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6186b961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:17, skipping insertion in model container [2022-04-27 10:44:17,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:44:17" (1/1) ... [2022-04-27 10:44:17,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 10:44:17,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 10:44:18,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597] [2022-04-27 10:44:18,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:44:18,034 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 10:44:18,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_vardep_1.c[584,597] [2022-04-27 10:44:18,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 10:44:18,067 INFO L208 MainTranslator]: Completed translation [2022-04-27 10:44:18,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18 WrapperNode [2022-04-27 10:44:18,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 10:44:18,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 10:44:18,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 10:44:18,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 10:44:18,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 10:44:18,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 10:44:18,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 10:44:18,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 10:44:18,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (1/1) ... [2022-04-27 10:44:18,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 10:44:18,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 10:44:18,136 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) [2022-04-27 10:44:18,138 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 [2022-04-27 10:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 10:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 10:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 10:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 10:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 10:44:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 10:44:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 10:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 10:44:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 10:44:18,210 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 10:44:18,211 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 10:44:18,282 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 10:44:18,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 10:44:18,288 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 10:44:18,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:44:18 BoogieIcfgContainer [2022-04-27 10:44:18,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 10:44:18,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 10:44:18,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 10:44:18,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 10:44:18,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 10:44:17" (1/3) ... [2022-04-27 10:44:18,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755c1425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:44:18, skipping insertion in model container [2022-04-27 10:44:18,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:44:18" (2/3) ... [2022-04-27 10:44:18,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755c1425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:44:18, skipping insertion in model container [2022-04-27 10:44:18,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:44:18" (3/3) ... [2022-04-27 10:44:18,296 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_vardep_1.c [2022-04-27 10:44:18,308 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 10:44:18,308 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 10:44:18,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 10:44:18,350 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@342aa501, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@528ad7b7 [2022-04-27 10:44:18,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 10:44:18,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-27 10:44:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 10:44:18,363 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 10:44:18,363 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 10:44:18,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 10:44:18,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 10:44:18,368 INFO L85 PathProgramCache]: Analyzing trace with hash -221021474, now seen corresponding path program 1 times [2022-04-27 10:44:18,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 10:44:18,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546495740] [2022-04-27 10:44:18,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 10:44:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 10:44:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:44:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 10:44:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 10:44:18,817 INFO L290 TraceCheckUtils]: 0: Hoare triple {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {21#true} is VALID [2022-04-27 10:44:18,817 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#true} assume true; {21#true} is VALID [2022-04-27 10:44:18,817 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {21#true} {21#true} #34#return; {21#true} is VALID [2022-04-27 10:44:18,819 INFO L272 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 10:44:18,819 INFO L290 TraceCheckUtils]: 1: Hoare triple {30#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); {21#true} is VALID [2022-04-27 10:44:18,820 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2022-04-27 10:44:18,821 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #34#return; {21#true} is VALID [2022-04-27 10:44:18,821 INFO L272 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret4 := main(); {21#true} is VALID [2022-04-27 10:44:18,822 INFO L290 TraceCheckUtils]: 5: Hoare triple {21#true} ~i~0 := 0;~j~0 := 0;~k~0 := 0; {26#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~i~0 0))} is VALID [2022-04-27 10:44:18,823 INFO L290 TraceCheckUtils]: 6: Hoare triple {26#(and (= main_~k~0 0) (= main_~j~0 0) (= main_~i~0 0))} assume !!(~k~0 % 4294967296 < 268435455);~i~0 := 1 + ~i~0;~j~0 := 2 + ~j~0;~k~0 := 3 + ~k~0; {27#(and (<= (+ main_~i~0 main_~j~0 (* (div main_~k~0 4294967296) 4294967296)) (+ (* (div (+ main_~i~0 main_~j~0) 4294967296) 4294967296) main_~k~0)) (< (+ (* (div (+ main_~i~0 main_~j~0) 4294967296) 4294967296) main_~k~0) (+ main_~i~0 main_~j~0 (* (div main_~k~0 4294967296) 4294967296) 1)) (not (<= (+ (div main_~k~0 4294967296) 1) (div (+ main_~i~0 main_~j~0) 4294967296))))} is VALID [2022-04-27 10:44:18,826 INFO L272 TraceCheckUtils]: 7: Hoare triple {27#(and (<= (+ main_~i~0 main_~j~0 (* (div main_~k~0 4294967296) 4294967296)) (+ (* (div (+ main_~i~0 main_~j~0) 4294967296) 4294967296) main_~k~0)) (< (+ (* (div (+ main_~i~0 main_~j~0) 4294967296) 4294967296) main_~k~0) (+ main_~i~0 main_~j~0 (* (div main_~k~0 4294967296) 4294967296) 1)) (not (<= (+ (div main_~k~0 4294967296) 1) (div (+ main_~i~0 main_~j~0) 4294967296))))} call __VERIFIER_assert((if ~k~0 % 4294967296 == (~i~0 + ~j~0) % 4294967296 then 1 else 0)); {28#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 10:44:18,827 INFO L290 TraceCheckUtils]: 8: Hoare triple {28#(not (= |__VERIFIER_assert_#in~cond| 0))} ~cond := #in~cond; {29#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 10:44:18,828 INFO L290 TraceCheckUtils]: 9: Hoare triple {29#(not (= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {22#false} is VALID [2022-04-27 10:44:18,828 INFO L290 TraceCheckUtils]: 10: Hoare triple {22#false} assume !false; {22#false} is VALID [2022-04-27 10:44:18,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 10:44:18,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 10:44:18,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546495740] [2022-04-27 10:44:18,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546495740] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 10:44:18,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 10:44:18,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-27 10:44:18,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709388365] [2022-04-27 10:44:18,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 10:44:18,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 10:44:18,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 10:44:18,843 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:44:18,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:44:18,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-27 10:44:18,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 10:44:18,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-27 10:44:18,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-04-27 10:44:18,881 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:44:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:44:19,089 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-04-27 10:44:19,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-27 10:44:19,090 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-27 10:44:19,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 10:44:19,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:44:19,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-04-27 10:44:19,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:44:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. [2022-04-27 10:44:19,099 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 36 transitions. [2022-04-27 10:44:19,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 10:44:19,153 INFO L225 Difference]: With dead ends: 29 [2022-04-27 10:44:19,154 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 10:44:19,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-04-27 10:44:19,159 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 10:44:19,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 32 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 10:44:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 10:44:19,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 10:44:19,176 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 10:44:19,177 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-04-27 10:44:19,177 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-04-27 10:44:19,177 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-04-27 10:44:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:44:19,178 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 10:44:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:44:19,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:44:19,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:44:19,178 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-04-27 10:44:19,178 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-04-27 10:44:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 10:44:19,179 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 10:44:19,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:44:19,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:44:19,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 10:44:19,179 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 10:44:19,179 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 10:44:19,179 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) [2022-04-27 10:44:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 10:44:19,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-04-27 10:44:19,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 10:44:19,181 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 10:44:19,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 10:44:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 10:44:19,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 10:44:19,183 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 10:44:19,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 10:44:19,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-27 10:44:19,232 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 6) no Hoare annotation was computed. [2022-04-27 10:44:19,233 INFO L899 garLoopResultBuilder]: For program point reach_errorENTRY(line 6) no Hoare annotation was computed. [2022-04-27 10:44:19,233 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 6) no Hoare annotation was computed. [2022-04-27 10:44:19,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-27 10:44:19,233 INFO L895 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-27 10:44:19,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-27 10:44:19,233 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-27 10:44:19,234 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-27 10:44:19,234 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-27 10:44:19,234 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-27 10:44:19,234 INFO L902 garLoopResultBuilder]: At program point mainENTRY(lines 15 29) the Hoare annotation is: true [2022-04-27 10:44:19,234 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3))))) [2022-04-27 10:44:19,235 INFO L895 garLoopResultBuilder]: At program point L26-1(lines 21 27) the Hoare annotation is: (let ((.cse2 (div main_~k~0 4294967296)) (.cse3 (div (+ main_~i~0 main_~j~0) 4294967296))) (let ((.cse1 (+ (* .cse3 4294967296) main_~k~0)) (.cse0 (* .cse2 4294967296))) (and (<= (+ main_~i~0 main_~j~0 .cse0) .cse1) (< .cse1 (+ main_~i~0 main_~j~0 .cse0 1)) (not (<= (+ .cse2 1) .cse3))))) [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 15 29) no Hoare annotation was computed. [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 15 29) no Hoare annotation was computed. [2022-04-27 10:44:19,235 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 7 13) the Hoare annotation is: true [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 7 13) no Hoare annotation was computed. [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-04-27 10:44:19,235 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 7 13) no Hoare annotation was computed. [2022-04-27 10:44:19,236 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-04-27 10:44:19,239 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-04-27 10:44:19,241 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 10:44:19,244 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-27 10:44:19,244 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-04-27 10:44:19,246 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2022-04-27 10:44:19,253 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-27 10:44:19,254 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2022-04-27 10:44:19,254 WARN L170 areAnnotationChecker]: L9-2 has no Hoare annotation [2022-04-27 10:44:19,254 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 10:44:19,254 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 10:44:19,254 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-27 10:44:19,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 10:44:19 BoogieIcfgContainer [2022-04-27 10:44:19,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 10:44:19,263 INFO L158 Benchmark]: Toolchain (without parser) took 1425.93ms. Allocated memory is still 188.7MB. Free memory was 140.4MB in the beginning and 158.0MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 10:44:19,263 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 10:44:19,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.33ms. Allocated memory is still 188.7MB. Free memory was 140.2MB in the beginning and 166.9MB in the end (delta: -26.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 10:44:19,264 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 188.7MB. Free memory was 166.9MB in the beginning and 165.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 10:44:19,265 INFO L158 Benchmark]: RCFGBuilder took 186.31ms. Allocated memory is still 188.7MB. Free memory was 165.2MB in the beginning and 155.5MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-27 10:44:19,265 INFO L158 Benchmark]: TraceAbstraction took 970.60ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 158.0MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 10:44:19,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.33ms. Allocated memory is still 188.7MB. Free memory was 140.2MB in the beginning and 166.9MB in the end (delta: -26.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 188.7MB. Free memory was 166.9MB in the beginning and 165.6MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 186.31ms. Allocated memory is still 188.7MB. Free memory was 165.2MB in the beginning and 155.5MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 970.60ms. Allocated memory is still 188.7MB. Free memory was 155.2MB in the beginning and 158.0MB in the end (delta: -2.8MB). There was no memory consumed. 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: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 11 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 111 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (i + j + k / 4294967296 * 4294967296 <= (i + j) / 4294967296 * 4294967296 + k && (i + j) / 4294967296 * 4294967296 + k < i + j + k / 4294967296 * 4294967296 + 1) && !(k / 4294967296 + 1 <= (i + j) / 4294967296) RESULT: Ultimate proved your program to be correct! [2022-04-27 10:44:19,305 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...