/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/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-invariants/even.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 17:02:53,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 17:02:53,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 17:02:53,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 17:02:53,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 17:02:53,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 17:02:53,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 17:02:53,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 17:02:53,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 17:02:53,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 17:02:53,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 17:02:53,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 17:02:53,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 17:02:53,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 17:02:53,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 17:02:53,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 17:02:53,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 17:02:53,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 17:02:53,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 17:02:53,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 17:02:53,434 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 17:02:53,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 17:02:53,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 17:02:53,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 17:02:53,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 17:02:53,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 17:02:53,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 17:02:53,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 17:02:53,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 17:02:53,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 17:02:53,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 17:02:53,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 17:02:53,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 17:02:53,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 17:02:53,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 17:02:53,463 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 17:02:53,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 17:02:53,463 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 17:02:53,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:02:53,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 17:02:53,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 17:02:53,465 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 17:02:53,465 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 17:02:53,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 17:02:53,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 17:02:53,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 17:02:53,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 17:02:53,694 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 17:02:53,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/even.c [2022-04-27 17:02:53,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52f8ef7/4c8c39927610428891525284444c4d4c/FLAGd99347cb3 [2022-04-27 17:02:54,115 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 17:02:54,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/even.c [2022-04-27 17:02:54,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52f8ef7/4c8c39927610428891525284444c4d4c/FLAGd99347cb3 [2022-04-27 17:02:54,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b52f8ef7/4c8c39927610428891525284444c4d4c [2022-04-27 17:02:54,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 17:02:54,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 17:02:54,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 17:02:54,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 17:02:54,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 17:02:54,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4425489d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54, skipping insertion in model container [2022-04-27 17:02:54,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 17:02:54,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 17:02:54,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/even.c[351,364] [2022-04-27 17:02:54,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:02:54,337 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 17:02:54,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/even.c[351,364] [2022-04-27 17:02:54,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 17:02:54,354 INFO L208 MainTranslator]: Completed translation [2022-04-27 17:02:54,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54 WrapperNode [2022-04-27 17:02:54,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 17:02:54,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 17:02:54,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 17:02:54,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 17:02:54,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 17:02:54,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 17:02:54,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 17:02:54,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 17:02:54,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 17:02:54,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:02:54,404 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 17:02:54,422 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 17:02:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 17:02:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 17:02:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 17:02:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 17:02:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 17:02:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 17:02:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 17:02:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 17:02:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 17:02:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 17:02:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 17:02:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 17:02:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 17:02:54,483 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 17:02:54,484 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 17:02:54,572 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 17:02:54,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 17:02:54,576 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 17:02:54,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:54 BoogieIcfgContainer [2022-04-27 17:02:54,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 17:02:54,578 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 17:02:54,578 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 17:02:54,579 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 17:02:54,581 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:54" (1/1) ... [2022-04-27 17:02:54,583 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 17:02:54,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:02:54 BasicIcfg [2022-04-27 17:02:54,609 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 17:02:54,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 17:02:54,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 17:02:54,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 17:02:54,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 05:02:54" (1/4) ... [2022-04-27 17:02:54,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d79c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:02:54, skipping insertion in model container [2022-04-27 17:02:54,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 05:02:54" (2/4) ... [2022-04-27 17:02:54,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d79c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 05:02:54, skipping insertion in model container [2022-04-27 17:02:54,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 05:02:54" (3/4) ... [2022-04-27 17:02:54,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d79c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:02:54, skipping insertion in model container [2022-04-27 17:02:54,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 05:02:54" (4/4) ... [2022-04-27 17:02:54,614 INFO L111 eAbstractionObserver]: Analyzing ICFG even.cJordan [2022-04-27 17:02:54,623 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 17:02:54,623 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 17:02:54,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 17:02:54,653 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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@6297e247, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5993306b [2022-04-27 17:02:54,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 17:02:54,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 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 17:02:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-27 17:02:54,662 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:02:54,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:02:54,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:02:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:02:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash -487068095, now seen corresponding path program 1 times [2022-04-27 17:02:54,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:02:54,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297442689] [2022-04-27 17:02:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:54,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:02:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 17:02:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:54,824 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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 17:02:54,825 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:54,825 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} [60] 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 17:02:54,839 INFO L272 TraceCheckUtils]: 0: Hoare triple {23#true} [41] 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 17:02:54,840 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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 17:02:54,840 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:54,842 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} [60] 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 17:02:54,843 INFO L272 TraceCheckUtils]: 4: Hoare triple {23#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {23#true} is VALID [2022-04-27 17:02:54,843 INFO L290 TraceCheckUtils]: 5: Hoare triple {23#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 0) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {23#true} is VALID [2022-04-27 17:02:54,844 INFO L290 TraceCheckUtils]: 6: Hoare triple {23#true} [47] L13-3-->L13-4: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 17:02:54,845 INFO L272 TraceCheckUtils]: 7: Hoare triple {24#false} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod v_main_~x~0_5 2) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {24#false} is VALID [2022-04-27 17:02:54,846 INFO L290 TraceCheckUtils]: 8: Hoare triple {24#false} [53] __VERIFIER_assertENTRY-->L6: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {24#false} is VALID [2022-04-27 17:02:54,846 INFO L290 TraceCheckUtils]: 9: Hoare triple {24#false} [55] L6-->L7: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 17:02:54,847 INFO L290 TraceCheckUtils]: 10: Hoare triple {24#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {24#false} is VALID [2022-04-27 17:02:54,847 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 17:02:54,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:02:54,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297442689] [2022-04-27 17:02:54,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297442689] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:02:54,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:02:54,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-27 17:02:54,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238521264] [2022-04-27 17:02:54,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:02:54,858 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 17:02:54,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:02:54,862 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 17:02:54,876 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 17:02:54,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-27 17:02:54,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:02:54,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-27 17:02:54,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-27 17:02:54,900 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 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 17:02:54,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:54,976 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-04-27 17:02:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-27 17:02:54,976 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 17:02:54,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:02:54,978 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 17:02:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-04-27 17:02:54,987 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 17:02:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-04-27 17:02:54,992 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 22 transitions. [2022-04-27 17:02:55,034 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:55,040 INFO L225 Difference]: With dead ends: 20 [2022-04-27 17:02:55,040 INFO L226 Difference]: Without dead ends: 13 [2022-04-27 17:02:55,042 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 17:02:55,046 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 22 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 17:02:55,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:02:55,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-04-27 17:02:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-04-27 17:02:55,068 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:02:55,068 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:02:55,069 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:02:55,069 INFO L87 Difference]: Start difference. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:02:55,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,073 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-27 17:02:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:55,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,075 INFO L74 IsIncluded]: Start isIncluded. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 13 states. [2022-04-27 17:02:55,075 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 13 states. [2022-04-27 17:02:55,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,082 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-27 17:02:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:55,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,082 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,082 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:02:55,082 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:02:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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 17:02:55,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-04-27 17:02:55,084 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2022-04-27 17:02:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:02:55,085 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-04-27 17:02:55,085 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 17:02:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-27 17:02:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-27 17:02:55,086 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:02:55,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:02:55,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 17:02:55,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:02:55,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:02:55,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2110189820, now seen corresponding path program 1 times [2022-04-27 17:02:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:02:55,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204677917] [2022-04-27 17:02:55,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:55,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:02:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 17:02:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,224 INFO L290 TraceCheckUtils]: 0: Hoare triple {98#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {90#true} is VALID [2022-04-27 17:02:55,224 INFO L290 TraceCheckUtils]: 1: Hoare triple {90#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {90#true} is VALID [2022-04-27 17:02:55,224 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {90#true} {90#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {90#true} is VALID [2022-04-27 17:02:55,226 INFO L272 TraceCheckUtils]: 0: Hoare triple {90#true} [41] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {98#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 17:02:55,227 INFO L290 TraceCheckUtils]: 1: Hoare triple {98#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {90#true} is VALID [2022-04-27 17:02:55,227 INFO L290 TraceCheckUtils]: 2: Hoare triple {90#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {90#true} is VALID [2022-04-27 17:02:55,227 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {90#true} {90#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {90#true} is VALID [2022-04-27 17:02:55,227 INFO L272 TraceCheckUtils]: 4: Hoare triple {90#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {90#true} is VALID [2022-04-27 17:02:55,228 INFO L290 TraceCheckUtils]: 5: Hoare triple {90#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 0) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {95#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,229 INFO L290 TraceCheckUtils]: 6: Hoare triple {95#(= main_~x~0 0)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {95#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,229 INFO L290 TraceCheckUtils]: 7: Hoare triple {95#(= main_~x~0 0)} [50] L13-1-->L13-4: Formula: (= |v_main_#t~nondet4_3| 0) InVars {main_#t~nondet4=|v_main_#t~nondet4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~nondet4] {95#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,230 INFO L272 TraceCheckUtils]: 8: Hoare triple {95#(= main_~x~0 0)} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod v_main_~x~0_5 2) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {96#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:02:55,230 INFO L290 TraceCheckUtils]: 9: Hoare triple {96#(not (= |__VERIFIER_assert_#in~cond| 0))} [53] __VERIFIER_assertENTRY-->L6: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {97#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 17:02:55,231 INFO L290 TraceCheckUtils]: 10: Hoare triple {97#(not (= __VERIFIER_assert_~cond 0))} [55] L6-->L7: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {91#false} is VALID [2022-04-27 17:02:55,231 INFO L290 TraceCheckUtils]: 11: Hoare triple {91#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {91#false} is VALID [2022-04-27 17:02:55,231 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 17:02:55,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:02:55,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204677917] [2022-04-27 17:02:55,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204677917] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 17:02:55,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 17:02:55,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 17:02:55,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511463047] [2022-04-27 17:02:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:02:55,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 12 [2022-04-27 17:02:55,234 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:02:55,234 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 17:02:55,247 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:55,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 17:02:55,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:02:55,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 17:02:55,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-27 17:02:55,253 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 17:02:55,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,357 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-04-27 17:02:55,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 17:02:55,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 12 [2022-04-27 17:02:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:02:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 17:02:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-04-27 17:02:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 17:02:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-04-27 17:02:55,360 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 19 transitions. [2022-04-27 17:02:55,376 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:55,376 INFO L225 Difference]: With dead ends: 18 [2022-04-27 17:02:55,376 INFO L226 Difference]: Without dead ends: 15 [2022-04-27 17:02:55,377 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 17:02:55,377 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:02:55,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 28 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:02:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-04-27 17:02:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-04-27 17:02:55,379 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:02:55,379 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 17:02:55,380 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 17:02:55,380 INFO L87 Difference]: Start difference. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 17:02:55,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,381 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-04-27 17:02:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-27 17:02:55,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,381 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,381 INFO L74 IsIncluded]: Start isIncluded. First operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 15 states. [2022-04-27 17:02:55,381 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 15 states. [2022-04-27 17:02:55,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,382 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-04-27 17:02:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-27 17:02:55,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,382 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,383 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:02:55,383 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:02:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 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 17:02:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-04-27 17:02:55,384 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2022-04-27 17:02:55,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:02:55,384 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-04-27 17:02:55,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 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 17:02:55,384 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-27 17:02:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-27 17:02:55,384 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 17:02:55,384 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 17:02:55,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-27 17:02:55,385 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 17:02:55,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 17:02:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1523776447, now seen corresponding path program 1 times [2022-04-27 17:02:55,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 17:02:55,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567179997] [2022-04-27 17:02:55,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 17:02:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 17:02:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,511 INFO L290 TraceCheckUtils]: 0: Hoare triple {179#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {170#true} is VALID [2022-04-27 17:02:55,511 INFO L290 TraceCheckUtils]: 1: Hoare triple {170#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,511 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {170#true} {170#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,512 INFO L272 TraceCheckUtils]: 0: Hoare triple {170#true} [41] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {179#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 17:02:55,512 INFO L290 TraceCheckUtils]: 1: Hoare triple {179#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {170#true} is VALID [2022-04-27 17:02:55,512 INFO L290 TraceCheckUtils]: 2: Hoare triple {170#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,512 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {170#true} {170#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,512 INFO L272 TraceCheckUtils]: 4: Hoare triple {170#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,513 INFO L290 TraceCheckUtils]: 5: Hoare triple {170#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 0) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {175#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,514 INFO L290 TraceCheckUtils]: 6: Hoare triple {175#(= main_~x~0 0)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {175#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,514 INFO L290 TraceCheckUtils]: 7: Hoare triple {175#(= main_~x~0 0)} [51] L13-1-->L13-3: Formula: (and (= v_main_~x~0_3 (+ v_main_~x~0_4 2)) (not (= |v_main_#t~nondet4_5| 0))) InVars {main_~x~0=v_main_~x~0_4, main_#t~nondet4=|v_main_#t~nondet4_5|} OutVars{main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0] {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} is VALID [2022-04-27 17:02:55,515 INFO L290 TraceCheckUtils]: 8: Hoare triple {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} is VALID [2022-04-27 17:02:55,516 INFO L290 TraceCheckUtils]: 9: Hoare triple {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} [50] L13-1-->L13-4: Formula: (= |v_main_#t~nondet4_3| 0) InVars {main_#t~nondet4=|v_main_#t~nondet4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~nondet4] {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} is VALID [2022-04-27 17:02:55,516 INFO L272 TraceCheckUtils]: 10: Hoare triple {176#(and (<= main_~x~0 (* (div main_~x~0 2) 2)) (<= 2 main_~x~0))} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod v_main_~x~0_5 2) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {177#(not (= |__VERIFIER_assert_#in~cond| 0))} is VALID [2022-04-27 17:02:55,517 INFO L290 TraceCheckUtils]: 11: Hoare triple {177#(not (= |__VERIFIER_assert_#in~cond| 0))} [53] __VERIFIER_assertENTRY-->L6: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {178#(not (= __VERIFIER_assert_~cond 0))} is VALID [2022-04-27 17:02:55,517 INFO L290 TraceCheckUtils]: 12: Hoare triple {178#(not (= __VERIFIER_assert_~cond 0))} [55] L6-->L7: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,517 INFO L290 TraceCheckUtils]: 13: Hoare triple {171#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:02:55,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 17:02:55,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567179997] [2022-04-27 17:02:55,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567179997] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-27 17:02:55,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844551208] [2022-04-27 17:02:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 17:02:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-27 17:02:55,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 17:02:55,520 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 17:02:55,548 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 17:02:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-27 17:02:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 17:02:55,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-27 17:02:55,698 INFO L272 TraceCheckUtils]: 0: Hoare triple {170#true} [41] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,699 INFO L290 TraceCheckUtils]: 1: Hoare triple {170#true} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {170#true} is VALID [2022-04-27 17:02:55,699 INFO L290 TraceCheckUtils]: 2: Hoare triple {170#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,699 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {170#true} {170#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,699 INFO L272 TraceCheckUtils]: 4: Hoare triple {170#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,700 INFO L290 TraceCheckUtils]: 5: Hoare triple {170#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 0) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {175#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,700 INFO L290 TraceCheckUtils]: 6: Hoare triple {175#(= main_~x~0 0)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {175#(= main_~x~0 0)} is VALID [2022-04-27 17:02:55,701 INFO L290 TraceCheckUtils]: 7: Hoare triple {175#(= main_~x~0 0)} [51] L13-1-->L13-3: Formula: (and (= v_main_~x~0_3 (+ v_main_~x~0_4 2)) (not (= |v_main_#t~nondet4_5| 0))) InVars {main_~x~0=v_main_~x~0_4, main_#t~nondet4=|v_main_#t~nondet4_5|} OutVars{main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0] {204#(= main_~x~0 2)} is VALID [2022-04-27 17:02:55,701 INFO L290 TraceCheckUtils]: 8: Hoare triple {204#(= main_~x~0 2)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {204#(= main_~x~0 2)} is VALID [2022-04-27 17:02:55,702 INFO L290 TraceCheckUtils]: 9: Hoare triple {204#(= main_~x~0 2)} [50] L13-1-->L13-4: Formula: (= |v_main_#t~nondet4_3| 0) InVars {main_#t~nondet4=|v_main_#t~nondet4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~nondet4] {204#(= main_~x~0 2)} is VALID [2022-04-27 17:02:55,702 INFO L272 TraceCheckUtils]: 10: Hoare triple {204#(= main_~x~0 2)} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod v_main_~x~0_5 2) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {214#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:02:55,703 INFO L290 TraceCheckUtils]: 11: Hoare triple {214#(<= 1 |__VERIFIER_assert_#in~cond|)} [53] __VERIFIER_assertENTRY-->L6: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {218#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:02:55,703 INFO L290 TraceCheckUtils]: 12: Hoare triple {218#(<= 1 __VERIFIER_assert_~cond)} [55] L6-->L7: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,704 INFO L290 TraceCheckUtils]: 13: Hoare triple {171#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 17:02:55,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-27 17:02:55,795 INFO L290 TraceCheckUtils]: 13: Hoare triple {171#false} [57] L7-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,796 INFO L290 TraceCheckUtils]: 12: Hoare triple {218#(<= 1 __VERIFIER_assert_~cond)} [55] L6-->L7: Formula: (= v___VERIFIER_assert_~cond_3 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_3} AuxVars[] AssignedVars[] {171#false} is VALID [2022-04-27 17:02:55,796 INFO L290 TraceCheckUtils]: 11: Hoare triple {214#(<= 1 |__VERIFIER_assert_#in~cond|)} [53] __VERIFIER_assertENTRY-->L6: Formula: (= v___VERIFIER_assert_~cond_2 |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_2} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {218#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-27 17:02:55,797 INFO L272 TraceCheckUtils]: 10: Hoare triple {234#(= (mod main_~x~0 2) 0)} [49] L13-4-->__VERIFIER_assertENTRY: Formula: (= |v___VERIFIER_assert_#in~condInParam_1| (ite (= (mod v_main_~x~0_5 2) 0) 1 0)) InVars {main_~x~0=v_main_~x~0_5} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, main_~x~0] {214#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-27 17:02:55,797 INFO L290 TraceCheckUtils]: 9: Hoare triple {234#(= (mod main_~x~0 2) 0)} [50] L13-1-->L13-4: Formula: (= |v_main_#t~nondet4_3| 0) InVars {main_#t~nondet4=|v_main_#t~nondet4_3|} OutVars{} AuxVars[] AssignedVars[main_#t~nondet4] {234#(= (mod main_~x~0 2) 0)} is VALID [2022-04-27 17:02:55,798 INFO L290 TraceCheckUtils]: 8: Hoare triple {234#(= (mod main_~x~0 2) 0)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {234#(= (mod main_~x~0 2) 0)} is VALID [2022-04-27 17:02:55,798 INFO L290 TraceCheckUtils]: 7: Hoare triple {234#(= (mod main_~x~0 2) 0)} [51] L13-1-->L13-3: Formula: (and (= v_main_~x~0_3 (+ v_main_~x~0_4 2)) (not (= |v_main_#t~nondet4_5| 0))) InVars {main_~x~0=v_main_~x~0_4, main_#t~nondet4=|v_main_#t~nondet4_5|} OutVars{main_~x~0=v_main_~x~0_3} AuxVars[] AssignedVars[main_#t~nondet4, main_~x~0] {234#(= (mod main_~x~0 2) 0)} is VALID [2022-04-27 17:02:55,799 INFO L290 TraceCheckUtils]: 6: Hoare triple {234#(= (mod main_~x~0 2) 0)} [48] L13-3-->L13-1: Formula: (and (<= |v_main_#t~nondet4_1| 2147483647) (<= 0 (+ |v_main_#t~nondet4_1| 2147483648))) InVars {main_#t~nondet4=|v_main_#t~nondet4_1|} OutVars{main_#t~nondet4=|v_main_#t~nondet4_1|} AuxVars[] AssignedVars[] {234#(= (mod main_~x~0 2) 0)} is VALID [2022-04-27 17:02:55,799 INFO L290 TraceCheckUtils]: 5: Hoare triple {170#true} [45] mainENTRY-->L13-3: Formula: (= v_main_~x~0_2 0) InVars {} OutVars{main_~x~0=v_main_~x~0_2} AuxVars[] AssignedVars[main_~x~0] {234#(= (mod main_~x~0 2) 0)} is VALID [2022-04-27 17:02:55,799 INFO L272 TraceCheckUtils]: 4: Hoare triple {170#true} [42] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,799 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {170#true} {170#true} [60] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {170#true} [46] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,800 INFO L290 TraceCheckUtils]: 1: Hoare triple {170#true} [43] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_1| 1)) (.cse1 (select |v_#memory_int_1| 2))) (and (= 48 (select .cse0 0)) (= (select .cse1 1) 118) (= (select |v_#valid_1| 2) 1) (= (select |v_#valid_1| 0) 0) (= (select .cse1 6) 0) (< 0 |v_#StackHeapBarrier_1|) (= 110 (select .cse1 3)) (= |v_#NULL.base_1| 0) (= 1 (select |v_#valid_1| 3)) (= 101 (select .cse1 2)) (= (select |v_#length_1| 3) 12) (= 101 (select .cse1 0)) (= (select |v_#valid_1| 1) 1) (= 2 (select |v_#length_1| 1)) (= (select .cse0 1) 0) (= |v_#NULL.offset_1| 0) (= 99 (select .cse1 5)) (= 7 (select |v_#length_1| 2)) (= (select .cse1 4) 46))) 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] {170#true} is VALID [2022-04-27 17:02:55,800 INFO L272 TraceCheckUtils]: 0: Hoare triple {170#true} [41] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-04-27 17:02:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-27 17:02:55,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844551208] provided 1 perfect and 1 imperfect interpolant sequences [2022-04-27 17:02:55,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-04-27 17:02:55,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 6] total 11 [2022-04-27 17:02:55,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888115450] [2022-04-27 17:02:55,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 17:02:55,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 14 [2022-04-27 17:02:55,801 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 17:02:55,801 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 17:02:55,811 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:55,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-27 17:02:55,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 17:02:55,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-27 17:02:55,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-04-27 17:02:55,812 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 17:02:55,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,842 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-27 17:02:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 17:02:55,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 14 [2022-04-27 17:02:55,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 17:02:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 17:02:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-04-27 17:02:55,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 17:02:55,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-04-27 17:02:55,844 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 12 transitions. [2022-04-27 17:02:55,853 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 17:02:55,853 INFO L225 Difference]: With dead ends: 13 [2022-04-27 17:02:55,853 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 17:02:55,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-04-27 17:02:55,854 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-27 17:02:55,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-27 17:02:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 17:02:55,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 17:02:55,855 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 17:02:55,856 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:02:55,856 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:02:55,856 INFO L87 Difference]: Start difference. First operand 0 states. Second operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:02:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,856 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 17:02:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:02:55,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,856 INFO L74 IsIncluded]: Start isIncluded. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 17:02:55,856 INFO L87 Difference]: Start difference. First operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 0 states. [2022-04-27 17:02:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 17:02:55,856 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 17:02:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:02:55,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,857 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 17:02:55,857 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 17:02:55,857 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 17:02:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-27 17:02:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 17:02:55,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-04-27 17:02:55,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 17:02:55,857 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 17:02:55,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (3), 2 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 17:02:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 17:02:55,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 17:02:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 17:02:55,877 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 17:02:56,075 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 17:02:56,078 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-27 17:02:56,079 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 17:02:56,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 05:02:56 BasicIcfg [2022-04-27 17:02:56,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 17:02:56,091 INFO L158 Benchmark]: Toolchain (without parser) took 1958.98ms. Allocated memory was 185.6MB in the beginning and 248.5MB in the end (delta: 62.9MB). Free memory was 128.8MB in the beginning and 192.5MB in the end (delta: -63.7MB). Peak memory consumption was 312.6kB. Max. memory is 8.0GB. [2022-04-27 17:02:56,092 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 17:02:56,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.86ms. Allocated memory was 185.6MB in the beginning and 248.5MB in the end (delta: 62.9MB). Free memory was 128.5MB in the beginning and 220.1MB in the end (delta: -91.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:56,092 INFO L158 Benchmark]: Boogie Preprocessor took 16.46ms. Allocated memory is still 248.5MB. Free memory was 220.1MB in the beginning and 218.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 17:02:56,092 INFO L158 Benchmark]: RCFGBuilder took 205.59ms. Allocated memory is still 248.5MB. Free memory was 218.5MB in the beginning and 207.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 17:02:56,093 INFO L158 Benchmark]: IcfgTransformer took 31.42ms. Allocated memory is still 248.5MB. Free memory was 207.9MB in the beginning and 206.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:56,093 INFO L158 Benchmark]: TraceAbstraction took 1471.08ms. Allocated memory is still 248.5MB. Free memory was 205.9MB in the beginning and 192.5MB in the end (delta: 13.4MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-04-27 17:02:56,094 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 0.09ms. Allocated memory is still 185.6MB. Free memory is still 144.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 219.86ms. Allocated memory was 185.6MB in the beginning and 248.5MB in the end (delta: 62.9MB). Free memory was 128.5MB in the beginning and 220.1MB in the end (delta: -91.5MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.46ms. Allocated memory is still 248.5MB. Free memory was 220.1MB in the beginning and 218.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 205.59ms. Allocated memory is still 248.5MB. Free memory was 218.5MB in the beginning and 207.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 31.42ms. Allocated memory is still 248.5MB. Free memory was 207.9MB in the beginning and 206.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1471.08ms. Allocated memory is still 248.5MB. Free memory was 205.9MB in the beginning and 192.5MB in the end (delta: 13.4MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 39 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 1 NumberOfNonLiveVariables, 73 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-27 17:02:56,121 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...