/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loops/sum01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 21:06:54,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 21:06:54,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 21:06:54,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-27 21:06:54,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 21:06:54,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 21:06:54,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 21:06:54,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 21:06:54,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 21:06:54,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 21:06:54,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 21:06:54,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 21:06:54,270 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 21:06:54,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 21:06:54,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 21:06:54,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 21:06:54,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 21:06:54,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 21:06:54,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 21:06:54,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 21:06:54,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 21:06:54,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-27 21:06:54,307 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 21:06:54,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 21:06:54,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 21:06:54,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 21:06:54,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 21:06:54,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 21:06:54,308 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 21:06:54,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 21:06:54,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 21:06:54,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 21:06:54,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-27 21:06:54,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-27 21:06:54,311 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 21:06:54,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 21:06:54,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 21:06:54,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 21:06:54,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 21:06:54,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 21:06:54,532 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 21:06:54,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum01-1.i [2022-04-27 21:06:54,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df7abdfc/699184b8632f4aad9b745e3be611cf76/FLAG8ca9ac0fb [2022-04-27 21:06:54,920 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 21:06:54,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum01-1.i [2022-04-27 21:06:54,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df7abdfc/699184b8632f4aad9b745e3be611cf76/FLAG8ca9ac0fb [2022-04-27 21:06:54,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df7abdfc/699184b8632f4aad9b745e3be611cf76 [2022-04-27 21:06:54,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 21:06:54,935 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 21:06:54,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 21:06:54,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 21:06:54,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 21:06:54,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 09:06:54" (1/1) ... [2022-04-27 21:06:54,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@675b2beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:54, skipping insertion in model container [2022-04-27 21:06:54,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 09:06:54" (1/1) ... [2022-04-27 21:06:54,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 21:06:54,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 21:06:55,120 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/sum01-1.i[808,821] [2022-04-27 21:06:55,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 21:06:55,145 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 21:06:55,153 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/sum01-1.i[808,821] [2022-04-27 21:06:55,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 21:06:55,165 INFO L208 MainTranslator]: Completed translation [2022-04-27 21:06:55,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55 WrapperNode [2022-04-27 21:06:55,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 21:06:55,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 21:06:55,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 21:06:55,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 21:06:55,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 21:06:55,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 21:06:55,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 21:06:55,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 21:06:55,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 21:06:55,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 21:06:55,221 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 21:06:55,225 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 21:06:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 21:06:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 21:06:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 21:06:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 21:06:55,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 21:06:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 21:06:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 21:06:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-27 21:06:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-27 21:06:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 21:06:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 21:06:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 21:06:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 21:06:55,314 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 21:06:55,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 21:06:55,431 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 21:06:55,436 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 21:06:55,436 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 21:06:55,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:06:55 BoogieIcfgContainer [2022-04-27 21:06:55,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 21:06:55,438 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 21:06:55,438 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 21:06:55,439 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 21:06:55,445 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:06:55" (1/1) ... [2022-04-27 21:06:55,446 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-27 21:06:55,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 09:06:55 BasicIcfg [2022-04-27 21:06:55,465 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 21:06:55,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 21:06:55,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 21:06:55,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 21:06:55,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 09:06:54" (1/4) ... [2022-04-27 21:06:55,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c0e37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 09:06:55, skipping insertion in model container [2022-04-27 21:06:55,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 09:06:55" (2/4) ... [2022-04-27 21:06:55,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c0e37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 09:06:55, skipping insertion in model container [2022-04-27 21:06:55,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 09:06:55" (3/4) ... [2022-04-27 21:06:55,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c0e37e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 09:06:55, skipping insertion in model container [2022-04-27 21:06:55,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 09:06:55" (4/4) ... [2022-04-27 21:06:55,479 INFO L111 eAbstractionObserver]: Analyzing ICFG sum01-1.iqvasr [2022-04-27 21:06:55,492 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 21:06:55,492 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 21:06:55,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 21:06:55,548 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@238e4f12, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28ffc316 [2022-04-27 21:06:55,548 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 21:06:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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 21:06:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 21:06:55,559 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:06:55,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:06:55,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:06:55,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:06:55,563 INFO L85 PathProgramCache]: Analyzing trace with hash -423489079, now seen corresponding path program 1 times [2022-04-27 21:06:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:06:55,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814380299] [2022-04-27 21:06:55,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:06:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:06:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 21:06:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:55,734 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {23#true} is VALID [2022-04-27 21:06:55,734 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 21:06:55,734 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 21:06:55,737 INFO L272 TraceCheckUtils]: 0: Hoare triple {23#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 21:06:55,737 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {23#true} is VALID [2022-04-27 21:06:55,737 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 21:06:55,737 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 21:06:55,738 INFO L272 TraceCheckUtils]: 4: Hoare triple {23#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 21:06:55,738 INFO L290 TraceCheckUtils]: 5: Hoare triple {23#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {23#true} is VALID [2022-04-27 21:06:55,740 INFO L290 TraceCheckUtils]: 6: Hoare triple {23#true} [56] L24-3-->L24-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 21:06:55,741 INFO L272 TraceCheckUtils]: 7: Hoare triple {24#false} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {24#false} is VALID [2022-04-27 21:06:55,741 INFO L290 TraceCheckUtils]: 8: Hoare triple {24#false} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {24#false} is VALID [2022-04-27 21:06:55,741 INFO L290 TraceCheckUtils]: 9: Hoare triple {24#false} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 21:06:55,741 INFO L290 TraceCheckUtils]: 10: Hoare triple {24#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 21:06:55,742 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 21:06:55,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 21:06:55,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814380299] [2022-04-27 21:06:55,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814380299] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 21:06:55,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 21:06:55,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 21:06:55,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677212632] [2022-04-27 21:06:55,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 21:06:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,753 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 21:06:55,755 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,772 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 21:06:55,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 21:06:55,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 21:06:55,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 21:06:55,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 21:06:55,789 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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 2.3333333333333335) internal successors, (7), 2 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 21:06:55,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:55,835 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-27 21:06:55,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 21:06:55,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 21:06:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-04-27 21:06:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-04-27 21:06:55,844 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 35 transitions. [2022-04-27 21:06:55,893 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:06:55,898 INFO L225 Difference]: With dead ends: 31 [2022-04-27 21:06:55,898 INFO L226 Difference]: Without dead ends: 14 [2022-04-27 21:06:55,901 INFO L412 NwaCegarLoop]: 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 [2022-04-27 21:06:55,903 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 21:06:55,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 21:06:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-04-27 21:06:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-04-27 21:06:55,922 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 21:06:55,923 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-04-27 21:06:55,923 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-04-27 21:06:55,923 INFO L87 Difference]: Start difference. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-04-27 21:06:55,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:55,925 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-04-27 21:06:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-04-27 21:06:55,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:55,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:55,926 INFO L74 IsIncluded]: Start isIncluded. First operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) Second operand 14 states. [2022-04-27 21:06:55,926 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) Second operand 14 states. [2022-04-27 21:06:55,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:55,928 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-04-27 21:06:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-04-27 21:06:55,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:55,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:55,928 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 21:06:55,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 21:06:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2022-04-27 21:06:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-04-27 21:06:55,931 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-04-27 21:06:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 21:06:55,931 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-04-27 21:06:55,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 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 21:06:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-04-27 21:06:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 21:06:55,932 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:06:55,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:06:55,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 21:06:55,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:06:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:06:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash -422565558, now seen corresponding path program 1 times [2022-04-27 21:06:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:06:55,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883013597] [2022-04-27 21:06:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:06:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:06:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 21:06:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,028 INFO L290 TraceCheckUtils]: 0: Hoare triple {128#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {120#true} is VALID [2022-04-27 21:06:56,028 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {120#true} is VALID [2022-04-27 21:06:56,028 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {120#true} {120#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {120#true} is VALID [2022-04-27 21:06:56,031 INFO L272 TraceCheckUtils]: 0: Hoare triple {120#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {128#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 21:06:56,031 INFO L290 TraceCheckUtils]: 1: Hoare triple {128#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {120#true} is VALID [2022-04-27 21:06:56,031 INFO L290 TraceCheckUtils]: 2: Hoare triple {120#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {120#true} is VALID [2022-04-27 21:06:56,031 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {120#true} {120#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {120#true} is VALID [2022-04-27 21:06:56,032 INFO L272 TraceCheckUtils]: 4: Hoare triple {120#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {120#true} is VALID [2022-04-27 21:06:56,034 INFO L290 TraceCheckUtils]: 5: Hoare triple {120#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {125#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:56,034 INFO L290 TraceCheckUtils]: 6: Hoare triple {125#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {125#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:56,035 INFO L272 TraceCheckUtils]: 7: Hoare triple {125#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {126#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 21:06:56,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {126#(not (= |__VERIFIER_assert_#in~cond| 0))} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {127#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 21:06:56,036 INFO L290 TraceCheckUtils]: 9: Hoare triple {127#(not (= __VERIFIER_assert_~cond 0))} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {121#false} is VALID [2022-04-27 21:06:56,036 INFO L290 TraceCheckUtils]: 10: Hoare triple {121#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {121#false} is VALID [2022-04-27 21:06:56,037 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 21:06:56,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 21:06:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883013597] [2022-04-27 21:06:56,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883013597] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 21:06:56,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 21:06:56,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 21:06:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115024407] [2022-04-27 21:06:56,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 21:06:56,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,039 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 21:06:56,039 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,051 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 21:06:56,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 21:06:56,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 21:06:56,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 21:06:56,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 21:06:56,052 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:56,194 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-04-27 21:06:56,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 21:06:56,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 21:06:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-04-27 21:06:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-04-27 21:06:56,205 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 24 transitions. [2022-04-27 21:06:56,225 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:06:56,227 INFO L225 Difference]: With dead ends: 22 [2022-04-27 21:06:56,228 INFO L226 Difference]: Without dead ends: 17 [2022-04-27 21:06:56,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-27 21:06:56,231 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 21:06:56,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 29 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 21:06:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-04-27 21:06:56,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-04-27 21:06:56,235 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 21:06:56,235 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2022-04-27 21:06:56,235 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2022-04-27 21:06:56,235 INFO L87 Difference]: Start difference. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2022-04-27 21:06:56,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:56,236 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-04-27 21:06:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-27 21:06:56,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:56,237 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:56,237 INFO L74 IsIncluded]: Start isIncluded. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) Second operand 17 states. [2022-04-27 21:06:56,237 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) Second operand 17 states. [2022-04-27 21:06:56,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:56,238 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-04-27 21:06:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-27 21:06:56,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:56,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:56,247 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 21:06:56,247 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 21:06:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2022-04-27 21:06:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-04-27 21:06:56,249 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-04-27 21:06:56,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 21:06:56,249 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-04-27 21:06:56,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 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 21:06:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-04-27 21:06:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-27 21:06:56,250 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:06:56,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:06:56,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 21:06:56,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:06:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:06:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1744981802, now seen corresponding path program 1 times [2022-04-27 21:06:56,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:06:56,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076908138] [2022-04-27 21:06:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:06:56,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:06:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 21:06:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,442 INFO L290 TraceCheckUtils]: 0: Hoare triple {240#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {228#true} is VALID [2022-04-27 21:06:56,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {228#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,442 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {228#true} {228#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,443 INFO L272 TraceCheckUtils]: 0: Hoare triple {228#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {240#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 21:06:56,443 INFO L290 TraceCheckUtils]: 1: Hoare triple {240#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {228#true} is VALID [2022-04-27 21:06:56,444 INFO L290 TraceCheckUtils]: 2: Hoare triple {228#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,444 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {228#true} {228#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,444 INFO L272 TraceCheckUtils]: 4: Hoare triple {228#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,444 INFO L290 TraceCheckUtils]: 5: Hoare triple {228#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {233#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:56,445 INFO L290 TraceCheckUtils]: 6: Hoare triple {233#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {234#(and (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:56,447 INFO L290 TraceCheckUtils]: 7: Hoare triple {234#(and (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {235#(and (or (<= (* main_~n~0 2) main_~sn~0) (<= 2 main_~sn~0)) (= (+ (- 1) main_~i~0) 0) (not (<= (+ (* main_~n~0 2) 1) main_~sn~0)))} is VALID [2022-04-27 21:06:56,447 INFO L290 TraceCheckUtils]: 8: Hoare triple {235#(and (or (<= (* main_~n~0 2) main_~sn~0) (<= 2 main_~sn~0)) (= (+ (- 1) main_~i~0) 0) (not (<= (+ (* main_~n~0 2) 1) main_~sn~0)))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {236#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (* main_~n~0 2) main_~sn~0)))} is VALID [2022-04-27 21:06:56,448 INFO L290 TraceCheckUtils]: 9: Hoare triple {236#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (* main_~n~0 2) main_~sn~0)))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {237#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (<= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:56,449 INFO L272 TraceCheckUtils]: 10: Hoare triple {237#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (<= (* main_~n~0 2) main_~sn~0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {238#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 21:06:56,450 INFO L290 TraceCheckUtils]: 11: Hoare triple {238#(not (= |__VERIFIER_assert_#in~cond| 0))} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {239#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 21:06:56,450 INFO L290 TraceCheckUtils]: 12: Hoare triple {239#(not (= __VERIFIER_assert_~cond 0))} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:56,450 INFO L290 TraceCheckUtils]: 13: Hoare triple {229#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:06:56,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 21:06:56,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076908138] [2022-04-27 21:06:56,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076908138] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 21:06:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145607777] [2022-04-27 21:06:56,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:06:56,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 21:06:56,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 21:06:56,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 21:06:56,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-27 21:06:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-27 21:06:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:56,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 21:06:56,949 INFO L272 TraceCheckUtils]: 0: Hoare triple {228#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,949 INFO L290 TraceCheckUtils]: 1: Hoare triple {228#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {228#true} is VALID [2022-04-27 21:06:56,950 INFO L290 TraceCheckUtils]: 2: Hoare triple {228#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,952 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {228#true} {228#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,952 INFO L272 TraceCheckUtils]: 4: Hoare triple {228#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:56,953 INFO L290 TraceCheckUtils]: 5: Hoare triple {228#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {233#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:56,954 INFO L290 TraceCheckUtils]: 6: Hoare triple {233#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {234#(and (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:56,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {234#(and (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {265#(and (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0) (= (+ (- 2) main_~sn~0) 0))} is VALID [2022-04-27 21:06:56,957 INFO L290 TraceCheckUtils]: 8: Hoare triple {265#(and (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 0) (= (+ (- 2) main_~sn~0) 0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {269#(and (<= 1 main_~n~0) (<= main_~i~0 2) (= (+ (- 2) main_~sn~0) 0))} is VALID [2022-04-27 21:06:56,958 INFO L290 TraceCheckUtils]: 9: Hoare triple {269#(and (<= 1 main_~n~0) (<= main_~i~0 2) (= (+ (- 2) main_~sn~0) 0))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {273#(and (<= 1 main_~n~0) (< main_~n~0 2) (= (+ (- 2) main_~sn~0) 0))} is VALID [2022-04-27 21:06:56,958 INFO L272 TraceCheckUtils]: 10: Hoare triple {273#(and (<= 1 main_~n~0) (< main_~n~0 2) (= (+ (- 2) main_~sn~0) 0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {277#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 21:06:56,959 INFO L290 TraceCheckUtils]: 11: Hoare triple {277#(<= 1 |__VERIFIER_assert_#in~cond|)} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {281#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 21:06:56,960 INFO L290 TraceCheckUtils]: 12: Hoare triple {281#(<= 1 __VERIFIER_assert_~cond)} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:56,960 INFO L290 TraceCheckUtils]: 13: Hoare triple {229#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:06:56,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 21:06:57,291 INFO L290 TraceCheckUtils]: 13: Hoare triple {229#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:57,292 INFO L290 TraceCheckUtils]: 12: Hoare triple {281#(<= 1 __VERIFIER_assert_~cond)} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {229#false} is VALID [2022-04-27 21:06:57,292 INFO L290 TraceCheckUtils]: 11: Hoare triple {277#(<= 1 |__VERIFIER_assert_#in~cond|)} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {281#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 21:06:57,293 INFO L272 TraceCheckUtils]: 10: Hoare triple {297#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {277#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 21:06:57,293 INFO L290 TraceCheckUtils]: 9: Hoare triple {301#(or (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (* main_~n~0 2) main_~sn~0))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {297#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:57,294 INFO L290 TraceCheckUtils]: 8: Hoare triple {305#(or (= main_~sn~0 0) (<= (+ main_~i~0 1) main_~n~0) (= (* main_~n~0 2) main_~sn~0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {301#(or (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:57,295 INFO L290 TraceCheckUtils]: 7: Hoare triple {309#(or (<= (+ main_~i~0 1) main_~n~0) (= (+ 2 main_~sn~0) (* main_~n~0 2)) (= (+ 2 main_~sn~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {305#(or (= main_~sn~0 0) (<= (+ main_~i~0 1) main_~n~0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:57,296 INFO L290 TraceCheckUtils]: 6: Hoare triple {313#(or (and (<= (+ main_~i~0 1) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) main_~i~0)) (= (+ 2 main_~sn~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {309#(or (<= (+ main_~i~0 1) main_~n~0) (= (+ 2 main_~sn~0) (* main_~n~0 2)) (= (+ 2 main_~sn~0) 0))} is VALID [2022-04-27 21:06:57,297 INFO L290 TraceCheckUtils]: 5: Hoare triple {228#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {313#(or (and (<= (+ main_~i~0 1) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) main_~i~0)) (= (+ 2 main_~sn~0) 0))} is VALID [2022-04-27 21:06:57,297 INFO L272 TraceCheckUtils]: 4: Hoare triple {228#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:57,297 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {228#true} {228#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:57,297 INFO L290 TraceCheckUtils]: 2: Hoare triple {228#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:57,298 INFO L290 TraceCheckUtils]: 1: Hoare triple {228#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {228#true} is VALID [2022-04-27 21:06:57,298 INFO L272 TraceCheckUtils]: 0: Hoare triple {228#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {228#true} is VALID [2022-04-27 21:06:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:06:57,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145607777] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 21:06:57,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-27 21:06:57,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2022-04-27 21:06:57,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915115570] [2022-04-27 21:06:57,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-27 21:06:57,302 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-27 21:06:57,303 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 21:06:57,303 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:57,323 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:06:57,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-04-27 21:06:57,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 21:06:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-04-27 21:06:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2022-04-27 21:06:57,324 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:57,840 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-04-27 21:06:57,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-27 21:06:57,840 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-27 21:06:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 21:06:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 40 transitions. [2022-04-27 21:06:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 40 transitions. [2022-04-27 21:06:57,843 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 40 transitions. [2022-04-27 21:06:57,872 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:06:57,873 INFO L225 Difference]: With dead ends: 37 [2022-04-27 21:06:57,873 INFO L226 Difference]: Without dead ends: 22 [2022-04-27 21:06:57,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2022-04-27 21:06:57,875 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 22 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 21:06:57,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 81 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 21:06:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-04-27 21:06:57,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2022-04-27 21:06:57,879 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 21:06:57,880 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-27 21:06:57,880 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-27 21:06:57,880 INFO L87 Difference]: Start difference. First operand 22 states. Second operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-27 21:06:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:57,881 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-04-27 21:06:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-04-27 21:06:57,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:57,881 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:57,882 INFO L74 IsIncluded]: Start isIncluded. First operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) Second operand 22 states. [2022-04-27 21:06:57,882 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) Second operand 22 states. [2022-04-27 21:06:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:06:57,883 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-04-27 21:06:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-04-27 21:06:57,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:06:57,883 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:06:57,883 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 21:06:57,883 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 21:06:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-04-27 21:06:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-04-27 21:06:57,884 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 14 [2022-04-27 21:06:57,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 21:06:57,884 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-04-27 21:06:57,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-04-27 21:06:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-27 21:06:57,885 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:06:57,885 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:06:57,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-27 21:06:58,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 21:06:58,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:06:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:06:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1411179434, now seen corresponding path program 2 times [2022-04-27 21:06:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:06:58,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179791409] [2022-04-27 21:06:58,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:06:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:06:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 21:06:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:58,307 INFO L290 TraceCheckUtils]: 0: Hoare triple {500#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {485#true} is VALID [2022-04-27 21:06:58,307 INFO L290 TraceCheckUtils]: 1: Hoare triple {485#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,307 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {485#true} {485#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,308 INFO L272 TraceCheckUtils]: 0: Hoare triple {485#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {500#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 21:06:58,308 INFO L290 TraceCheckUtils]: 1: Hoare triple {500#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {485#true} is VALID [2022-04-27 21:06:58,308 INFO L290 TraceCheckUtils]: 2: Hoare triple {485#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,308 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {485#true} {485#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,308 INFO L272 TraceCheckUtils]: 4: Hoare triple {485#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,309 INFO L290 TraceCheckUtils]: 5: Hoare triple {485#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:58,309 INFO L290 TraceCheckUtils]: 6: Hoare triple {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:58,310 INFO L290 TraceCheckUtils]: 7: Hoare triple {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {491#(and (<= main_~sn~0 2) (= (+ (- 1) main_~i~0) 0) (<= 2 main_~sn~0))} is VALID [2022-04-27 21:06:58,310 INFO L290 TraceCheckUtils]: 8: Hoare triple {491#(and (<= main_~sn~0 2) (= (+ (- 1) main_~i~0) 0) (<= 2 main_~sn~0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} is VALID [2022-04-27 21:06:58,311 INFO L290 TraceCheckUtils]: 9: Hoare triple {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} is VALID [2022-04-27 21:06:58,311 INFO L290 TraceCheckUtils]: 10: Hoare triple {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {493#(and (<= main_~sn~0 (* main_~i~0 2)) (<= (* main_~i~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:58,312 INFO L290 TraceCheckUtils]: 11: Hoare triple {493#(and (<= main_~sn~0 (* main_~i~0 2)) (<= (* main_~i~0 2) main_~sn~0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} is VALID [2022-04-27 21:06:58,312 INFO L290 TraceCheckUtils]: 12: Hoare triple {492#(and (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (+ 2 main_~sn~0) (* main_~i~0 2)))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {494#(and (<= (+ 2 main_~sn~0) (* main_~n~0 2)) (<= (* main_~i~0 2) (+ 2 main_~sn~0)))} is VALID [2022-04-27 21:06:58,313 INFO L290 TraceCheckUtils]: 13: Hoare triple {494#(and (<= (+ 2 main_~sn~0) (* main_~n~0 2)) (<= (* main_~i~0 2) (+ 2 main_~sn~0)))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {495#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) main_~sn~0) (<= (* main_~n~0 2) main_~sn~0)))} is VALID [2022-04-27 21:06:58,313 INFO L290 TraceCheckUtils]: 14: Hoare triple {495#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) main_~sn~0) (<= (* main_~n~0 2) main_~sn~0)))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {496#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (* main_~n~0 2) main_~sn~0)))} is VALID [2022-04-27 21:06:58,314 INFO L290 TraceCheckUtils]: 15: Hoare triple {496#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (or (<= (* main_~i~0 2) (+ 2 main_~sn~0)) (<= (* main_~n~0 2) main_~sn~0)))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {497#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (<= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:58,315 INFO L272 TraceCheckUtils]: 16: Hoare triple {497#(and (< main_~sn~0 (+ (* main_~n~0 2) 1)) (<= (* main_~n~0 2) main_~sn~0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {498#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 21:06:58,315 INFO L290 TraceCheckUtils]: 17: Hoare triple {498#(not (= |__VERIFIER_assert_#in~cond| 0))} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {499#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 21:06:58,316 INFO L290 TraceCheckUtils]: 18: Hoare triple {499#(not (= __VERIFIER_assert_~cond 0))} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:58,316 INFO L290 TraceCheckUtils]: 19: Hoare triple {486#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-27 21:06:58,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 21:06:58,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179791409] [2022-04-27 21:06:58,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179791409] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 21:06:58,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607676824] [2022-04-27 21:06:58,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-27 21:06:58,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 21:06:58,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 21:06:58,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 21:06:58,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-27 21:06:58,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-27 21:06:58,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-27 21:06:58,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core [2022-04-27 21:06:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:06:58,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 21:06:58,806 INFO L272 TraceCheckUtils]: 0: Hoare triple {485#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,807 INFO L290 TraceCheckUtils]: 1: Hoare triple {485#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {485#true} is VALID [2022-04-27 21:06:58,807 INFO L290 TraceCheckUtils]: 2: Hoare triple {485#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,807 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {485#true} {485#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,807 INFO L272 TraceCheckUtils]: 4: Hoare triple {485#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:58,808 INFO L290 TraceCheckUtils]: 5: Hoare triple {485#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:58,810 INFO L290 TraceCheckUtils]: 6: Hoare triple {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} is VALID [2022-04-27 21:06:58,811 INFO L290 TraceCheckUtils]: 7: Hoare triple {490#(and (= main_~sn~0 0) (= (+ (- 1) main_~i~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {491#(and (<= main_~sn~0 2) (= (+ (- 1) main_~i~0) 0) (<= 2 main_~sn~0))} is VALID [2022-04-27 21:06:58,811 INFO L290 TraceCheckUtils]: 8: Hoare triple {491#(and (<= main_~sn~0 2) (= (+ (- 1) main_~i~0) 0) (<= 2 main_~sn~0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {528#(and (= main_~i~0 2) (<= main_~sn~0 2) (<= 2 main_~sn~0))} is VALID [2022-04-27 21:06:58,812 INFO L290 TraceCheckUtils]: 9: Hoare triple {528#(and (= main_~i~0 2) (<= main_~sn~0 2) (<= 2 main_~sn~0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {528#(and (= main_~i~0 2) (<= main_~sn~0 2) (<= 2 main_~sn~0))} is VALID [2022-04-27 21:06:58,812 INFO L290 TraceCheckUtils]: 10: Hoare triple {528#(and (= main_~i~0 2) (<= main_~sn~0 2) (<= 2 main_~sn~0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {535#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (= main_~i~0 2))} is VALID [2022-04-27 21:06:58,813 INFO L290 TraceCheckUtils]: 11: Hoare triple {535#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (= main_~i~0 2))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {539#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (= (+ (- 1) main_~i~0) 2))} is VALID [2022-04-27 21:06:58,813 INFO L290 TraceCheckUtils]: 12: Hoare triple {539#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (= (+ (- 1) main_~i~0) 2))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {543#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 2))} is VALID [2022-04-27 21:06:58,814 INFO L290 TraceCheckUtils]: 13: Hoare triple {543#(and (<= 4 main_~sn~0) (<= main_~sn~0 4) (<= main_~i~0 main_~n~0) (= (+ (- 1) main_~i~0) 2))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {547#(and (<= 6 main_~sn~0) (<= main_~i~0 main_~n~0) (<= main_~sn~0 6) (= (+ (- 1) main_~i~0) 2))} is VALID [2022-04-27 21:06:58,815 INFO L290 TraceCheckUtils]: 14: Hoare triple {547#(and (<= 6 main_~sn~0) (<= main_~i~0 main_~n~0) (<= main_~sn~0 6) (= (+ (- 1) main_~i~0) 2))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {551#(and (<= 6 main_~sn~0) (<= 3 main_~n~0) (<= main_~sn~0 6) (<= main_~i~0 4))} is VALID [2022-04-27 21:06:58,817 INFO L290 TraceCheckUtils]: 15: Hoare triple {551#(and (<= 6 main_~sn~0) (<= 3 main_~n~0) (<= main_~sn~0 6) (<= main_~i~0 4))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {555#(and (<= 6 main_~sn~0) (<= 3 main_~n~0) (< main_~n~0 4) (<= main_~sn~0 6))} is VALID [2022-04-27 21:06:58,817 INFO L272 TraceCheckUtils]: 16: Hoare triple {555#(and (<= 6 main_~sn~0) (<= 3 main_~n~0) (< main_~n~0 4) (<= main_~sn~0 6))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {559#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 21:06:58,819 INFO L290 TraceCheckUtils]: 17: Hoare triple {559#(<= 1 |__VERIFIER_assert_#in~cond|)} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {563#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 21:06:58,820 INFO L290 TraceCheckUtils]: 18: Hoare triple {563#(<= 1 __VERIFIER_assert_~cond)} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:58,820 INFO L290 TraceCheckUtils]: 19: Hoare triple {486#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:06:58,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 21:06:59,329 INFO L290 TraceCheckUtils]: 19: Hoare triple {486#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:59,330 INFO L290 TraceCheckUtils]: 18: Hoare triple {563#(<= 1 __VERIFIER_assert_~cond)} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {486#false} is VALID [2022-04-27 21:06:59,330 INFO L290 TraceCheckUtils]: 17: Hoare triple {559#(<= 1 |__VERIFIER_assert_#in~cond|)} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {563#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 21:06:59,331 INFO L272 TraceCheckUtils]: 16: Hoare triple {579#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {559#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 21:06:59,332 INFO L290 TraceCheckUtils]: 15: Hoare triple {583#(or (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (* main_~n~0 2) main_~sn~0))} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {579#(or (= main_~sn~0 0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:59,332 INFO L290 TraceCheckUtils]: 14: Hoare triple {587#(or (= main_~sn~0 0) (<= (+ main_~i~0 1) main_~n~0) (= (* main_~n~0 2) main_~sn~0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {583#(or (= main_~sn~0 0) (<= main_~i~0 main_~n~0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:59,333 INFO L290 TraceCheckUtils]: 13: Hoare triple {591#(or (<= (+ main_~i~0 1) main_~n~0) (= (+ 2 main_~sn~0) (* main_~n~0 2)) (= (+ 2 main_~sn~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {587#(or (= main_~sn~0 0) (<= (+ main_~i~0 1) main_~n~0) (= (* main_~n~0 2) main_~sn~0))} is VALID [2022-04-27 21:06:59,334 INFO L290 TraceCheckUtils]: 12: Hoare triple {595#(or (and (<= (+ main_~i~0 1) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) main_~i~0)) (= (+ 2 main_~sn~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {591#(or (<= (+ main_~i~0 1) main_~n~0) (= (+ 2 main_~sn~0) (* main_~n~0 2)) (= (+ 2 main_~sn~0) 0))} is VALID [2022-04-27 21:06:59,334 INFO L290 TraceCheckUtils]: 11: Hoare triple {599#(or (and (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) (+ main_~i~0 1))) (= (+ 2 main_~sn~0) 0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {595#(or (and (<= (+ main_~i~0 1) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) main_~i~0)) (= (+ 2 main_~sn~0) 0))} is VALID [2022-04-27 21:06:59,335 INFO L290 TraceCheckUtils]: 10: Hoare triple {603#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 1)) (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {599#(or (and (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 3)) (- 2))) (<= (div (+ (- 2) (* (- 1) main_~sn~0)) (- 2)) (+ main_~i~0 1))) (= (+ 2 main_~sn~0) 0))} is VALID [2022-04-27 21:06:59,336 INFO L290 TraceCheckUtils]: 9: Hoare triple {603#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 1)) (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {603#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 1)) (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} is VALID [2022-04-27 21:06:59,337 INFO L290 TraceCheckUtils]: 8: Hoare triple {610#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {603#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 1)) (<= (+ main_~i~0 2) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} is VALID [2022-04-27 21:06:59,337 INFO L290 TraceCheckUtils]: 7: Hoare triple {614#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 6)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 7)) (- 2)))) (= (+ 6 main_~sn~0) 0))} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {610#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 4)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 5)) (- 2)))) (= (+ main_~sn~0 4) 0))} is VALID [2022-04-27 21:06:59,338 INFO L290 TraceCheckUtils]: 6: Hoare triple {614#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 6)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 7)) (- 2)))) (= (+ 6 main_~sn~0) 0))} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {614#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 6)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 7)) (- 2)))) (= (+ 6 main_~sn~0) 0))} is VALID [2022-04-27 21:06:59,339 INFO L290 TraceCheckUtils]: 5: Hoare triple {485#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {614#(or (and (<= (div (+ (* (- 1) main_~sn~0) (- 6)) (- 2)) (+ main_~i~0 2)) (<= (+ main_~i~0 3) (div (+ (* (- 1) main_~sn~0) (- 7)) (- 2)))) (= (+ 6 main_~sn~0) 0))} is VALID [2022-04-27 21:06:59,339 INFO L272 TraceCheckUtils]: 4: Hoare triple {485#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:59,339 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {485#true} {485#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:59,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {485#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:59,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {485#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {485#true} is VALID [2022-04-27 21:06:59,339 INFO L272 TraceCheckUtils]: 0: Hoare triple {485#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {485#true} is VALID [2022-04-27 21:06:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:06:59,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607676824] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 21:06:59,340 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-27 21:06:59,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2022-04-27 21:06:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060379145] [2022-04-27 21:06:59,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-27 21:06:59,340 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-27 21:06:59,341 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 21:06:59,341 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:06:59,374 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:06:59,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-27 21:06:59,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 21:06:59,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-27 21:06:59,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=803, Unknown=0, NotChecked=0, Total=930 [2022-04-27 21:06:59,375 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:00,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:00,294 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-04-27 21:07:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-27 21:07:00,295 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-27 21:07:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 21:07:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 49 transitions. [2022-04-27 21:07:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 49 transitions. [2022-04-27 21:07:00,298 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 49 transitions. [2022-04-27 21:07:00,335 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:07:00,336 INFO L225 Difference]: With dead ends: 42 [2022-04-27 21:07:00,336 INFO L226 Difference]: Without dead ends: 30 [2022-04-27 21:07:00,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=367, Invalid=2083, Unknown=0, NotChecked=0, Total=2450 [2022-04-27 21:07:00,337 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 43 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-27 21:07:00,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 76 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-27 21:07:00,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-04-27 21:07:00,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2022-04-27 21:07:00,348 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 21:07:00,348 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-04-27 21:07:00,349 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-04-27 21:07:00,349 INFO L87 Difference]: Start difference. First operand 30 states. Second operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-04-27 21:07:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:00,350 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-04-27 21:07:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-04-27 21:07:00,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:07:00,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:07:00,350 INFO L74 IsIncluded]: Start isIncluded. First operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) Second operand 30 states. [2022-04-27 21:07:00,350 INFO L87 Difference]: Start difference. First operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) Second operand 30 states. [2022-04-27 21:07:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:00,351 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-04-27 21:07:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-04-27 21:07:00,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:07:00,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:07:00,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 21:07:00,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 21:07:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2022-04-27 21:07:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2022-04-27 21:07:00,353 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 20 [2022-04-27 21:07:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 21:07:00,353 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2022-04-27 21:07:00,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 4 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:00,353 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2022-04-27 21:07:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-27 21:07:00,354 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:07:00,354 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:07:00,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-27 21:07:00,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-04-27 21:07:00,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:07:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:07:00,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1657807639, now seen corresponding path program 1 times [2022-04-27 21:07:00,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:07:00,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245892403] [2022-04-27 21:07:00,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:07:00,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:07:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:07:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 21:07:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:07:00,668 INFO L290 TraceCheckUtils]: 0: Hoare triple {846#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {836#true} is VALID [2022-04-27 21:07:00,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {836#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,668 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {836#true} {836#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,669 INFO L272 TraceCheckUtils]: 0: Hoare triple {836#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {846#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 21:07:00,669 INFO L290 TraceCheckUtils]: 1: Hoare triple {846#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {836#true} is VALID [2022-04-27 21:07:00,669 INFO L290 TraceCheckUtils]: 2: Hoare triple {836#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,669 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {836#true} {836#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,669 INFO L272 TraceCheckUtils]: 4: Hoare triple {836#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {836#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {841#(= (+ (- 1) main_~i~0) 0)} is VALID [2022-04-27 21:07:00,670 INFO L290 TraceCheckUtils]: 6: Hoare triple {841#(= (+ (- 1) main_~i~0) 0)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {841#(= (+ (- 1) main_~i~0) 0)} is VALID [2022-04-27 21:07:00,670 INFO L290 TraceCheckUtils]: 7: Hoare triple {841#(= (+ (- 1) main_~i~0) 0)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {841#(= (+ (- 1) main_~i~0) 0)} is VALID [2022-04-27 21:07:00,671 INFO L290 TraceCheckUtils]: 8: Hoare triple {841#(= (+ (- 1) main_~i~0) 0)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,671 INFO L290 TraceCheckUtils]: 9: Hoare triple {842#(<= main_~i~0 2)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,671 INFO L290 TraceCheckUtils]: 10: Hoare triple {842#(<= main_~i~0 2)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,672 INFO L290 TraceCheckUtils]: 11: Hoare triple {842#(<= main_~i~0 2)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,672 INFO L290 TraceCheckUtils]: 12: Hoare triple {843#(<= main_~i~0 3)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,672 INFO L290 TraceCheckUtils]: 13: Hoare triple {843#(<= main_~i~0 3)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,673 INFO L290 TraceCheckUtils]: 14: Hoare triple {843#(<= main_~i~0 3)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,673 INFO L290 TraceCheckUtils]: 15: Hoare triple {844#(<= main_~i~0 4)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,673 INFO L290 TraceCheckUtils]: 16: Hoare triple {844#(<= main_~i~0 4)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,674 INFO L290 TraceCheckUtils]: 17: Hoare triple {844#(<= main_~i~0 4)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,674 INFO L290 TraceCheckUtils]: 18: Hoare triple {845#(<= main_~i~0 5)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,674 INFO L290 TraceCheckUtils]: 19: Hoare triple {845#(<= main_~i~0 5)} [61] L25-->L24-2: Formula: (not (< v_main_~i~0_2 10)) InVars {main_~i~0=v_main_~i~0_2} OutVars{main_~i~0=v_main_~i~0_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,674 INFO L290 TraceCheckUtils]: 20: Hoare triple {837#false} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {837#false} is VALID [2022-04-27 21:07:00,674 INFO L290 TraceCheckUtils]: 21: Hoare triple {837#false} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,675 INFO L272 TraceCheckUtils]: 22: Hoare triple {837#false} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {837#false} is VALID [2022-04-27 21:07:00,675 INFO L290 TraceCheckUtils]: 23: Hoare triple {837#false} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {837#false} is VALID [2022-04-27 21:07:00,675 INFO L290 TraceCheckUtils]: 24: Hoare triple {837#false} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,675 INFO L290 TraceCheckUtils]: 25: Hoare triple {837#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:07:00,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 21:07:00,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245892403] [2022-04-27 21:07:00,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245892403] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 21:07:00,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864614325] [2022-04-27 21:07:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:07:00,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 21:07:00,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 21:07:00,676 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-27 21:07:00,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-27 21:07:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:07:00,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2022-04-27 21:07:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 21:07:00,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 21:07:00,828 INFO L272 TraceCheckUtils]: 0: Hoare triple {836#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {836#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {836#true} is VALID [2022-04-27 21:07:00,828 INFO L290 TraceCheckUtils]: 2: Hoare triple {836#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,828 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {836#true} {836#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,828 INFO L272 TraceCheckUtils]: 4: Hoare triple {836#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,829 INFO L290 TraceCheckUtils]: 5: Hoare triple {836#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {865#(<= main_~i~0 1)} is VALID [2022-04-27 21:07:00,830 INFO L290 TraceCheckUtils]: 6: Hoare triple {865#(<= main_~i~0 1)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {865#(<= main_~i~0 1)} is VALID [2022-04-27 21:07:00,830 INFO L290 TraceCheckUtils]: 7: Hoare triple {865#(<= main_~i~0 1)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {865#(<= main_~i~0 1)} is VALID [2022-04-27 21:07:00,831 INFO L290 TraceCheckUtils]: 8: Hoare triple {865#(<= main_~i~0 1)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,831 INFO L290 TraceCheckUtils]: 9: Hoare triple {842#(<= main_~i~0 2)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,832 INFO L290 TraceCheckUtils]: 10: Hoare triple {842#(<= main_~i~0 2)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {842#(<= main_~i~0 2)} is VALID [2022-04-27 21:07:00,832 INFO L290 TraceCheckUtils]: 11: Hoare triple {842#(<= main_~i~0 2)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,832 INFO L290 TraceCheckUtils]: 12: Hoare triple {843#(<= main_~i~0 3)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,833 INFO L290 TraceCheckUtils]: 13: Hoare triple {843#(<= main_~i~0 3)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {843#(<= main_~i~0 3)} is VALID [2022-04-27 21:07:00,833 INFO L290 TraceCheckUtils]: 14: Hoare triple {843#(<= main_~i~0 3)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,833 INFO L290 TraceCheckUtils]: 15: Hoare triple {844#(<= main_~i~0 4)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,834 INFO L290 TraceCheckUtils]: 16: Hoare triple {844#(<= main_~i~0 4)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {844#(<= main_~i~0 4)} is VALID [2022-04-27 21:07:00,834 INFO L290 TraceCheckUtils]: 17: Hoare triple {844#(<= main_~i~0 4)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,834 INFO L290 TraceCheckUtils]: 18: Hoare triple {845#(<= main_~i~0 5)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,834 INFO L290 TraceCheckUtils]: 19: Hoare triple {845#(<= main_~i~0 5)} [61] L25-->L24-2: Formula: (not (< v_main_~i~0_2 10)) InVars {main_~i~0=v_main_~i~0_2} OutVars{main_~i~0=v_main_~i~0_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L290 TraceCheckUtils]: 20: Hoare triple {837#false} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L290 TraceCheckUtils]: 21: Hoare triple {837#false} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L272 TraceCheckUtils]: 22: Hoare triple {837#false} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L290 TraceCheckUtils]: 23: Hoare triple {837#false} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L290 TraceCheckUtils]: 24: Hoare triple {837#false} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L290 TraceCheckUtils]: 25: Hoare triple {837#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:07:00,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 21:07:00,976 INFO L290 TraceCheckUtils]: 25: Hoare triple {837#false} [67] L16-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,976 INFO L290 TraceCheckUtils]: 24: Hoare triple {837#false} [65] L15-->L16: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,976 INFO L290 TraceCheckUtils]: 23: Hoare triple {837#false} [63] __VERIFIER_assertENTRY-->L15: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {837#false} is VALID [2022-04-27 21:07:00,976 INFO L272 TraceCheckUtils]: 22: Hoare triple {837#false} [59] L24-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (or (= v_main_~sn~0_5 (* v_main_~n~0_5 2)) (= v_main_~sn~0_5 0)) 1 0)) InVars {main_~sn~0=v_main_~sn~0_5, main_~n~0=v_main_~n~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~sn~0, main_~n~0] {837#false} is VALID [2022-04-27 21:07:00,977 INFO L290 TraceCheckUtils]: 21: Hoare triple {837#false} [57] L24-3-->L24-4: Formula: (not (<= v_main_~i~0_8 v_main_~n~0_3)) InVars {main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} OutVars{main_~i~0=v_main_~i~0_8, main_~n~0=v_main_~n~0_3} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,977 INFO L290 TraceCheckUtils]: 20: Hoare triple {837#false} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {837#false} is VALID [2022-04-27 21:07:00,977 INFO L290 TraceCheckUtils]: 19: Hoare triple {944#(< main_~i~0 10)} [61] L25-->L24-2: Formula: (not (< v_main_~i~0_2 10)) InVars {main_~i~0=v_main_~i~0_2} OutVars{main_~i~0=v_main_~i~0_2} AuxVars[] AssignedVars[] {837#false} is VALID [2022-04-27 21:07:00,977 INFO L290 TraceCheckUtils]: 18: Hoare triple {944#(< main_~i~0 10)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {944#(< main_~i~0 10)} is VALID [2022-04-27 21:07:00,978 INFO L290 TraceCheckUtils]: 17: Hoare triple {951#(< main_~i~0 9)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {944#(< main_~i~0 10)} is VALID [2022-04-27 21:07:00,978 INFO L290 TraceCheckUtils]: 16: Hoare triple {951#(< main_~i~0 9)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {951#(< main_~i~0 9)} is VALID [2022-04-27 21:07:00,981 INFO L290 TraceCheckUtils]: 15: Hoare triple {951#(< main_~i~0 9)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {951#(< main_~i~0 9)} is VALID [2022-04-27 21:07:00,982 INFO L290 TraceCheckUtils]: 14: Hoare triple {961#(< main_~i~0 8)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {951#(< main_~i~0 9)} is VALID [2022-04-27 21:07:00,982 INFO L290 TraceCheckUtils]: 13: Hoare triple {961#(< main_~i~0 8)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {961#(< main_~i~0 8)} is VALID [2022-04-27 21:07:00,982 INFO L290 TraceCheckUtils]: 12: Hoare triple {961#(< main_~i~0 8)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {961#(< main_~i~0 8)} is VALID [2022-04-27 21:07:00,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {971#(< main_~i~0 7)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {961#(< main_~i~0 8)} is VALID [2022-04-27 21:07:00,983 INFO L290 TraceCheckUtils]: 10: Hoare triple {971#(< main_~i~0 7)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {971#(< main_~i~0 7)} is VALID [2022-04-27 21:07:00,983 INFO L290 TraceCheckUtils]: 9: Hoare triple {971#(< main_~i~0 7)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {971#(< main_~i~0 7)} is VALID [2022-04-27 21:07:00,984 INFO L290 TraceCheckUtils]: 8: Hoare triple {845#(<= main_~i~0 5)} [64] L24-2-->L24-3: Formula: (= v_main_~i~0_3 (+ v_main_~i~0_4 1)) InVars {main_~i~0=v_main_~i~0_4} OutVars{main_~i~0=v_main_~i~0_3, main_#t~post2=|v_main_#t~post2_1|} AuxVars[] AssignedVars[main_~i~0, main_#t~post2] {971#(< main_~i~0 7)} is VALID [2022-04-27 21:07:00,984 INFO L290 TraceCheckUtils]: 7: Hoare triple {845#(<= main_~i~0 5)} [60] L25-->L24-2: Formula: (and (< v_main_~i~0_1 10) (= (+ v_main_~sn~0_2 2) v_main_~sn~0_1)) InVars {main_~sn~0=v_main_~sn~0_2, main_~i~0=v_main_~i~0_1} OutVars{main_~sn~0=v_main_~sn~0_1, main_~i~0=v_main_~i~0_1} AuxVars[] AssignedVars[main_~sn~0] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,984 INFO L290 TraceCheckUtils]: 6: Hoare triple {845#(<= main_~i~0 5)} [58] L24-3-->L25: Formula: (<= v_main_~i~0_9 v_main_~n~0_4) InVars {main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} OutVars{main_~i~0=v_main_~i~0_9, main_~n~0=v_main_~n~0_4} AuxVars[] AssignedVars[] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,984 INFO L290 TraceCheckUtils]: 5: Hoare triple {836#true} [54] mainENTRY-->L24-3: Formula: (and (= v_main_~sn~0_3 0) (= v_main_~n~0_1 (let ((.cse0 (mod |v_main_#t~nondet1_2| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0)))) (= v_main_~i~0_5 1)) InVars {main_#t~nondet1=|v_main_#t~nondet1_2|} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_1, main_~sn~0=v_main_~sn~0_3} AuxVars[] AssignedVars[main_~sn~0, main_#t~nondet1, main_~i~0, main_~n~0] {845#(<= main_~i~0 5)} is VALID [2022-04-27 21:07:00,985 INFO L272 TraceCheckUtils]: 4: Hoare triple {836#true} [51] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,985 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {836#true} {836#true} [70] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,985 INFO L290 TraceCheckUtils]: 2: Hoare triple {836#true} [55] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,985 INFO L290 TraceCheckUtils]: 1: Hoare triple {836#true} [52] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1))) (and (= 48 (select .cse0 0)) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (< 0 |v_#StackHeapBarrier_1|) (= |v_#NULL.base_1| 0) (= (select |v_#length_1| 2) 10) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0))) InVars {#memory_int=|v_#memory_int_1|, #StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, #valid=|v_#valid_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #NULL.offset=|v_#NULL.offset_1|, #length=|v_#length_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {836#true} is VALID [2022-04-27 21:07:00,985 INFO L272 TraceCheckUtils]: 0: Hoare triple {836#true} [50] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {836#true} is VALID [2022-04-27 21:07:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 21:07:00,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864614325] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-27 21:07:00,985 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-27 21:07:00,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2022-04-27 21:07:00,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049703501] [2022-04-27 21:07:00,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-27 21:07:00,986 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-27 21:07:00,986 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 21:07:00,986 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:01,012 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:07:01,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-27 21:07:01,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 21:07:01,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-27 21:07:01,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2022-04-27 21:07:01,013 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:01,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:01,161 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2022-04-27 21:07:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-27 21:07:01,162 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-27 21:07:01,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 21:07:01,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:01,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 56 transitions. [2022-04-27 21:07:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 56 transitions. [2022-04-27 21:07:01,164 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 56 transitions. [2022-04-27 21:07:01,229 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 21:07:01,231 INFO L225 Difference]: With dead ends: 52 [2022-04-27 21:07:01,231 INFO L226 Difference]: Without dead ends: 44 [2022-04-27 21:07:01,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=285, Unknown=0, NotChecked=0, Total=462 [2022-04-27 21:07:01,232 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 36 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 21:07:01,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 24 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 21:07:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-27 21:07:01,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2022-04-27 21:07:01,256 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 21:07:01,257 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2022-04-27 21:07:01,257 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2022-04-27 21:07:01,257 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2022-04-27 21:07:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:01,259 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-04-27 21:07:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-04-27 21:07:01,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:07:01,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:07:01,261 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) Second operand 44 states. [2022-04-27 21:07:01,261 INFO L87 Difference]: Start difference. First operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) Second operand 44 states. [2022-04-27 21:07:01,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 21:07:01,264 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-04-27 21:07:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2022-04-27 21:07:01,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 21:07:01,264 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 21:07:01,264 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 21:07:01,264 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 21:07:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2022-04-27 21:07:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2022-04-27 21:07:01,265 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 26 [2022-04-27 21:07:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 21:07:01,266 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2022-04-27 21:07:01,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-27 21:07:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2022-04-27 21:07:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-27 21:07:01,269 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 21:07:01,269 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 21:07:01,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-27 21:07:01,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 21:07:01,490 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 21:07:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 21:07:01,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2063074549, now seen corresponding path program 2 times [2022-04-27 21:07:01,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 21:07:01,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554772759] [2022-04-27 21:07:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 21:07:01,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 21:07:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 21:07:01,525 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-27 21:07:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-27 21:07:01,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-27 21:07:01,578 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-04-27 21:07:01,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 21:07:01,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-27 21:07:01,582 INFO L356 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-04-27 21:07:01,584 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 21:07:01,603 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L24-4 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 21:07:01,604 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 21:07:01,604 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-27 21:07:01,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 09:07:01 BasicIcfg [2022-04-27 21:07:01,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 21:07:01,606 INFO L158 Benchmark]: Toolchain (without parser) took 6670.17ms. Allocated memory was 217.1MB in the beginning and 297.8MB in the end (delta: 80.7MB). Free memory was 164.6MB in the beginning and 223.3MB in the end (delta: -58.7MB). Peak memory consumption was 22.9MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,606 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 217.1MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 21:07:01,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.52ms. Allocated memory is still 217.1MB. Free memory was 164.4MB in the beginning and 191.8MB in the end (delta: -27.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,606 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 217.1MB. Free memory was 191.8MB in the beginning and 190.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,606 INFO L158 Benchmark]: RCFGBuilder took 251.25ms. Allocated memory is still 217.1MB. Free memory was 190.2MB in the beginning and 179.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,606 INFO L158 Benchmark]: IcfgTransformer took 27.17ms. Allocated memory is still 217.1MB. Free memory was 179.3MB in the beginning and 178.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,607 INFO L158 Benchmark]: TraceAbstraction took 6130.54ms. Allocated memory was 217.1MB in the beginning and 297.8MB in the end (delta: 80.7MB). Free memory was 177.6MB in the beginning and 223.3MB in the end (delta: -45.7MB). Peak memory consumption was 34.4MB. Max. memory is 8.0GB. [2022-04-27 21:07:01,608 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 0.12ms. Allocated memory is still 217.1MB. Free memory is still 180.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 229.52ms. Allocated memory is still 217.1MB. Free memory was 164.4MB in the beginning and 191.8MB in the end (delta: -27.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 217.1MB. Free memory was 191.8MB in the beginning and 190.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 251.25ms. Allocated memory is still 217.1MB. Free memory was 190.2MB in the beginning and 179.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 27.17ms. Allocated memory is still 217.1MB. Free memory was 179.3MB in the beginning and 178.2MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6130.54ms. Allocated memory was 217.1MB in the beginning and 297.8MB in the end (delta: 80.7MB). Free memory was 177.6MB in the beginning and 223.3MB in the end (delta: -45.7MB). Peak memory consumption was 34.4MB. 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 VAL [i=1, n=10, n=0] [L24] COND TRUE i<=n VAL [i=1, n=10, n=0] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=1, n=10, n=2] [L24] i++ VAL [i=2, n=2, n=10] [L24] COND TRUE i<=n VAL [i=2, n=10, n=2] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=2, n=10, n=4] [L24] i++ VAL [i=3, n=4, n=10] [L24] COND TRUE i<=n VAL [i=3, n=10, n=4] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=3, n=6, n=10] [L24] i++ VAL [i=4, n=6, n=10] [L24] COND TRUE i<=n VAL [i=4, n=6, n=10] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=4, n=8, n=10] [L24] i++ VAL [i=5, n=8, n=10] [L24] COND TRUE i<=n VAL [i=5, n=8, n=10] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=5, n=10, n=10] [L24] i++ VAL [i=6, n=10, n=10] [L24] COND TRUE i<=n VAL [i=6, n=10, n=10] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=6, n=10, n=12] [L24] i++ VAL [i=7, n=12, n=10] [L24] COND TRUE i<=n VAL [i=7, n=10, n=12] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=7, n=10, n=14] [L24] i++ VAL [i=8, n=10, n=14] [L24] COND TRUE i<=n VAL [i=8, n=10, n=14] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=8, n=16, n=10] [L24] i++ VAL [i=9, n=16, n=10] [L24] COND TRUE i<=n VAL [i=9, n=16, n=10] [L25] COND TRUE i<10 [L26] sn = sn + (2) VAL [i=9, n=18, n=10] [L24] i++ VAL [i=10, n=10, n=18] [L24] COND TRUE i<=n VAL [i=10, n=10, n=18] [L25] COND FALSE !(i<10) VAL [i=10, n=18, n=10] [L24] i++ VAL [i=11, n=10, n=18] [L24] COND FALSE !(i<=n) VAL [i=11, n=18, n=10] [L28] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) VAL [\old(cond)=0] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L16] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 171 mSDsCounter, 81 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 517 IncrementalHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 81 mSolverCounterUnsat, 62 mSDtfsCounter, 517 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 94 SyntacticMatches, 6 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=5, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 1066 SizeOfPredicates, 6 NumberOfNonLiveVariables, 205 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 28/144 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 RESULT: Ultimate proved your program to be incorrect! [2022-04-27 21:07:01,632 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...