/usr/bin/java -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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sum_by_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 08:58:57,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 08:58:57,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 08:58:57,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 08:58:57,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 08:58:57,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 08:58:57,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 08:58:57,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 08:58:57,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 08:58:57,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 08:58:57,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 08:58:57,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 08:58:57,378 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 08:58:57,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 08:58:57,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 08:58:57,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 08:58:57,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 08:58:57,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 08:58:57,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 08:58:57,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 08:58:57,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 08:58:57,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 08:58:57,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 08:58:57,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 08:58:57,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 08:58:57,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 08:58:57,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 08:58:57,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 08:58:57,415 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 08:58:57,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 08:58:57,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 08:58:57,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 08:58:57,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 08:58:57,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:58:57,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 08:58:57,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 08:58:57,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 08:58:57,418 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 08:58:57,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 08:58:57,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 08:58:57,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 08:58:57,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 08:58:57,579 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 08:58:57,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sum_by_3.c [2022-03-20 08:58:57,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c234755/ca7f20bc258f4eb9b3a7c0ee9ad3dc63/FLAGaa854157c [2022-03-20 08:58:57,963 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 08:58:57,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sum_by_3.c [2022-03-20 08:58:57,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c234755/ca7f20bc258f4eb9b3a7c0ee9ad3dc63/FLAGaa854157c [2022-03-20 08:58:57,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6c234755/ca7f20bc258f4eb9b3a7c0ee9ad3dc63 [2022-03-20 08:58:57,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 08:58:57,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 08:58:57,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 08:58:57,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 08:58:57,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 08:58:57,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:58:57" (1/1) ... [2022-03-20 08:58:57,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0ad7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:57, skipping insertion in model container [2022-03-20 08:58:57,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:58:57" (1/1) ... [2022-03-20 08:58:57,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 08:58:57,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 08:58:58,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sum_by_3.c[406,419] [2022-03-20 08:58:58,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:58:58,117 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 08:58:58,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sum_by_3.c[406,419] [2022-03-20 08:58:58,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:58:58,147 INFO L208 MainTranslator]: Completed translation [2022-03-20 08:58:58,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58 WrapperNode [2022-03-20 08:58:58,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 08:58:58,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 08:58:58,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 08:58:58,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 08:58:58,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 08:58:58,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 08:58:58,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 08:58:58,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 08:58:58,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:58:58,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:58:58,188 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) [2022-03-20 08:58:58,192 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 [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 08:58:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 08:58:58,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 08:58:58,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 08:58:58,253 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 08:58:58,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 08:58:58,339 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 08:58:58,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 08:58:58,344 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-20 08:58:58,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:58:58 BoogieIcfgContainer [2022-03-20 08:58:58,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 08:58:58,345 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 08:58:58,345 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 08:58:58,346 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 08:58:58,348 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:58:58" (1/1) ... [2022-03-20 08:58:58,349 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 08:58:58,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:58:58 BasicIcfg [2022-03-20 08:58:58,559 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 08:58:58,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 08:58:58,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 08:58:58,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 08:58:58,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 08:58:57" (1/4) ... [2022-03-20 08:58:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f82a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:58:58, skipping insertion in model container [2022-03-20 08:58:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:58:58" (2/4) ... [2022-03-20 08:58:58,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f82a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:58:58, skipping insertion in model container [2022-03-20 08:58:58,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:58:58" (3/4) ... [2022-03-20 08:58:58,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f82a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 08:58:58, skipping insertion in model container [2022-03-20 08:58:58,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:58:58" (4/4) ... [2022-03-20 08:58:58,567 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_by_3.cqvasr [2022-03-20 08:58:58,570 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 08:58:58,570 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 08:58:58,600 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 08:58:58,604 INFO L340 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 [2022-03-20 08:58:58,604 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 08:58:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 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) [2022-03-20 08:58:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-20 08:58:58,616 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:58:58,616 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:58:58,616 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:58:58,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:58:58,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1502834522, now seen corresponding path program 1 times [2022-03-20 08:58:58,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:58:58,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306499248] [2022-03-20 08:58:58,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:58:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:58:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:58:58,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:58:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:58:58,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:58:58,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:58:58,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306499248] [2022-03-20 08:58:58,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306499248] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:58:58,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:58:58,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 08:58:58,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385751827] [2022-03-20 08:58:58,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:58:58,761 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 08:58:58,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:58:58,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 08:58:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 08:58:58,782 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 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 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-03-20 08:58:58,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:58:58,819 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2022-03-20 08:58:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 08:58:58,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2022-03-20 08:58:58,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:58:58,827 INFO L225 Difference]: With dead ends: 41 [2022-03-20 08:58:58,827 INFO L226 Difference]: Without dead ends: 17 [2022-03-20 08:58:58,829 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 08:58:58,832 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 08:58:58,833 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 24 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 08:58:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-03-20 08:58:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-03-20 08:58:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0) internal successors, (12), 12 states have internal predecessors, (12), 3 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) [2022-03-20 08:58:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2022-03-20 08:58:58,858 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2022-03-20 08:58:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:58:58,859 INFO L478 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2022-03-20 08:58:58,860 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-03-20 08:58:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2022-03-20 08:58:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-20 08:58:58,860 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:58:58,860 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:58:58,861 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 08:58:58,861 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:58:58,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:58:58,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1872181992, now seen corresponding path program 1 times [2022-03-20 08:58:58,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:58:58,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812219201] [2022-03-20 08:58:58,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:58:58,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:58:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:58:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:58:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:58:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:58:59,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:58:59,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812219201] [2022-03-20 08:58:59,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812219201] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:58:59,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:58:59,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-20 08:58:59,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145490818] [2022-03-20 08:58:59,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:58:59,329 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-20 08:58:59,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:58:59,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-20 08:58:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-03-20 08:58:59,331 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 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) [2022-03-20 08:58:59,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:58:59,510 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2022-03-20 08:58:59,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-20 08:58:59,510 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 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 16 [2022-03-20 08:58:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:58:59,511 INFO L225 Difference]: With dead ends: 17 [2022-03-20 08:58:59,511 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 08:58:59,511 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-03-20 08:58:59,512 INFO L913 BasicCegarLoop]: 7 mSDtfsCounter, 22 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 08:58:59,512 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 21 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 08:58:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 08:58:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 08:58:59,513 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) [2022-03-20 08:58:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 08:58:59,513 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2022-03-20 08:58:59,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:58:59,514 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 08:58:59,514 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 6 states have internal predecessors, (12), 3 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) [2022-03-20 08:58:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 08:58:59,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 08:58:59,516 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 08:58:59,516 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 08:58:59,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 08:58:59,602 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 08:58:59,603 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 08:58:59,603 INFO L878 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 20000001 ~SIZE~0) (<= ~SIZE~0 20000001)) [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 08:58:59,603 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 16 34) the Hoare annotation is: true [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-03-20 08:58:59,603 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 16 34) no Hoare annotation was computed. [2022-03-20 08:58:59,604 INFO L878 garLoopResultBuilder]: At program point L21-2(lines 21 23) the Hoare annotation is: (or (not (<= 20000001 ~SIZE~0)) (not (<= ~SIZE~0 20000001)) (= main_~i~0 0)) [2022-03-20 08:58:59,604 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 16 34) no Hoare annotation was computed. [2022-03-20 08:58:59,604 INFO L882 garLoopResultBuilder]: For program point L21-3(lines 21 23) no Hoare annotation was computed. [2022-03-20 08:58:59,604 INFO L878 garLoopResultBuilder]: At program point L25-2(lines 25 27) the Hoare annotation is: (or (not (<= 20000001 ~SIZE~0)) (not (<= ~SIZE~0 20000001)) (and (= (+ main_~j~0 (* (div main_~i~0 4294967296) 4294967296)) main_~i~0) (= main_~i~0 0))) [2022-03-20 08:58:59,604 INFO L882 garLoopResultBuilder]: For program point L25-3(lines 25 27) no Hoare annotation was computed. [2022-03-20 08:58:59,605 INFO L878 garLoopResultBuilder]: At program point L29-2(lines 29 31) the Hoare annotation is: (or (and (= (+ main_~j~0 (* (div main_~i~0 4294967296) 4294967296)) main_~i~0) (= main_~i~0 0) (= main_~k~0 main_~j~0)) (not (<= 20000001 ~SIZE~0)) (not (<= ~SIZE~0 20000001))) [2022-03-20 08:58:59,605 INFO L878 garLoopResultBuilder]: At program point L29-3(lines 29 31) the Hoare annotation is: (or (and (= (+ main_~j~0 (* (div main_~i~0 4294967296) 4294967296)) main_~i~0) (= main_~i~0 0) (= main_~k~0 main_~j~0)) (not (<= 20000001 ~SIZE~0)) (not (<= ~SIZE~0 20000001))) [2022-03-20 08:58:59,605 INFO L882 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-03-20 08:58:59,605 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 8 13) the Hoare annotation is: true [2022-03-20 08:58:59,606 INFO L882 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-03-20 08:58:59,606 INFO L882 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-03-20 08:58:59,606 INFO L882 garLoopResultBuilder]: For program point L9-2(lines 8 13) no Hoare annotation was computed. [2022-03-20 08:58:59,606 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-03-20 08:58:59,606 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 8 13) no Hoare annotation was computed. [2022-03-20 08:58:59,609 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-20 08:58:59,610 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 08:58:59,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 08:58:59 BasicIcfg [2022-03-20 08:58:59,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 08:58:59,627 INFO L158 Benchmark]: Toolchain (without parser) took 1648.91ms. Allocated memory was 179.3MB in the beginning and 221.2MB in the end (delta: 41.9MB). Free memory was 150.8MB in the beginning and 181.7MB in the end (delta: -30.9MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-03-20 08:58:59,627 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 08:58:59,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.26ms. Allocated memory is still 179.3MB. Free memory was 150.8MB in the beginning and 150.0MB in the end (delta: 828.8kB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-20 08:58:59,632 INFO L158 Benchmark]: Boogie Preprocessor took 18.31ms. Allocated memory is still 179.3MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 08:58:59,634 INFO L158 Benchmark]: RCFGBuilder took 176.50ms. Allocated memory is still 179.3MB. Free memory was 148.5MB in the beginning and 138.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-20 08:58:59,634 INFO L158 Benchmark]: IcfgTransformer took 213.88ms. Allocated memory is still 179.3MB. Free memory was 138.0MB in the beginning and 128.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-20 08:58:59,634 INFO L158 Benchmark]: TraceAbstraction took 1064.47ms. Allocated memory was 179.3MB in the beginning and 221.2MB in the end (delta: 41.9MB). Free memory was 128.2MB in the beginning and 181.7MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 08:58:59,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 170.26ms. Allocated memory is still 179.3MB. Free memory was 150.8MB in the beginning and 150.0MB in the end (delta: 828.8kB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.31ms. Allocated memory is still 179.3MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 176.50ms. Allocated memory is still 179.3MB. Free memory was 148.5MB in the beginning and 138.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 213.88ms. Allocated memory is still 179.3MB. Free memory was 138.0MB in the beginning and 128.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1064.47ms. Allocated memory was 179.3MB in the beginning and 221.2MB in the end (delta: 41.9MB). Free memory was 128.2MB in the beginning and 181.7MB in the end (delta: -53.5MB). 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 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 28 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 104 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: (!(20000001 <= SIZE) || !(SIZE <= 20000001)) || i == 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((j + i / 4294967296 * 4294967296 == i && i == 0) && k == j) || !(20000001 <= SIZE)) || !(SIZE <= 20000001) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (!(20000001 <= SIZE) || !(SIZE <= 20000001)) || (j + i / 4294967296 * 4294967296 == i && i == 0) RESULT: Ultimate proved your program to be correct! [2022-03-20 08:58:59,659 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...