/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 13:13:30,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 13:13:30,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 13:13:30,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 13:13:30,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-15 13:13:30,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-15 13:13:30,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-15 13:13:30,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-15 13:13:30,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-15 13:13:30,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-15 13:13:30,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-15 13:13:30,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-15 13:13:30,408 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-15 13:13:30,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-15 13:13:30,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-15 13:13:30,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-15 13:13:30,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-15 13:13:30,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-15 13:13:30,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-15 13:13:30,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-15 13:13:30,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-15 13:13:30,424 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 13:13:30,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 13:13:30,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 13:13:30,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 13:13:30,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 13:13:30,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 13:13:30,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 13:13:30,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 13:13:30,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 13:13:30,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 13:13:30,438 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 13:13:30,438 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 13:13:30,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 13:13:30,438 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 13:13:30,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 13:13:30,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 13:13:30,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 13:13:30,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 13:13:30,639 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 13:13:30,639 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 13:13:30,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/bin-suffix-5.c [2022-04-15 13:13:30,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9384b6d69/eb0dc2eb44174c549342ae4469650325/FLAG070c2d615 [2022-04-15 13:13:31,025 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 13:13:31,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/bin-suffix-5.c [2022-04-15 13:13:31,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9384b6d69/eb0dc2eb44174c549342ae4469650325/FLAG070c2d615 [2022-04-15 13:13:31,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9384b6d69/eb0dc2eb44174c549342ae4469650325 [2022-04-15 13:13:31,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 13:13:31,042 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 13:13:31,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 13:13:31,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 13:13:31,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 13:13:31,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebbcd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31, skipping insertion in model container [2022-04-15 13:13:31,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 13:13:31,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 13:13:31,215 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/bin-suffix-5.c[359,372] [2022-04-15 13:13:31,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 13:13:31,235 INFO L203 MainTranslator]: Completed pre-run [2022-04-15 13:13:31,244 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/bin-suffix-5.c[359,372] [2022-04-15 13:13:31,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-15 13:13:31,255 INFO L208 MainTranslator]: Completed translation [2022-04-15 13:13:31,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31 WrapperNode [2022-04-15 13:13:31,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-15 13:13:31,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-15 13:13:31,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-15 13:13:31,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-15 13:13:31,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-15 13:13:31,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-15 13:13:31,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-15 13:13:31,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-15 13:13:31,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (1/1) ... [2022-04-15 13:13:31,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 13:13:31,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-15 13:13:31,302 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) [2022-04-15 13:13:31,319 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 [2022-04-15 13:13:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-15 13:13:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-15 13:13:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-15 13:13:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-15 13:13:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-15 13:13:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-15 13:13:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-15 13:13:31,373 INFO L234 CfgBuilder]: Building ICFG [2022-04-15 13:13:31,374 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-15 13:13:31,461 INFO L275 CfgBuilder]: Performing block encoding [2022-04-15 13:13:31,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-15 13:13:31,477 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-15 13:13:31,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:13:31 BoogieIcfgContainer [2022-04-15 13:13:31,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-15 13:13:31,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-15 13:13:31,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-15 13:13:31,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-15 13:13:31,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 01:13:31" (1/3) ... [2022-04-15 13:13:31,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e65359c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:13:31, skipping insertion in model container [2022-04-15 13:13:31,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 01:13:31" (2/3) ... [2022-04-15 13:13:31,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e65359c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 01:13:31, skipping insertion in model container [2022-04-15 13:13:31,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 01:13:31" (3/3) ... [2022-04-15 13:13:31,499 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2022-04-15 13:13:31,502 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-15 13:13:31,502 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-15 13:13:31,527 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-15 13:13:31,531 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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 [2022-04-15 13:13:31,531 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-15 13:13:31,544 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) [2022-04-15 13:13:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-15 13:13:31,548 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 13:13:31,548 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 13:13:31,548 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 13:13:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 13:13:31,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1035305623, now seen corresponding path program 1 times [2022-04-15 13:13:31,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 13:13:31,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1728978070] [2022-04-15 13:13:31,563 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 13:13:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1035305623, now seen corresponding path program 2 times [2022-04-15 13:13:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 13:13:31,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441803346] [2022-04-15 13:13:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 13:13:31,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 13:13:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:13:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-15 13:13:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-15 13:13:31,711 INFO L290 TraceCheckUtils]: 0: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); {23#true} is VALID [2022-04-15 13:13:31,712 INFO L290 TraceCheckUtils]: 1: Hoare triple {23#true} assume true; {23#true} is VALID [2022-04-15 13:13:31,712 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23#true} {23#true} #38#return; {23#true} is VALID [2022-04-15 13:13:31,723 INFO L272 TraceCheckUtils]: 0: Hoare triple {23#true} call ULTIMATE.init(); {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-15 13:13:31,724 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); {23#true} is VALID [2022-04-15 13:13:31,724 INFO L290 TraceCheckUtils]: 2: Hoare triple {23#true} assume true; {23#true} is VALID [2022-04-15 13:13:31,724 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23#true} {23#true} #38#return; {23#true} is VALID [2022-04-15 13:13:31,724 INFO L272 TraceCheckUtils]: 4: Hoare triple {23#true} call #t~ret5 := main(); {23#true} is VALID [2022-04-15 13:13:31,724 INFO L290 TraceCheckUtils]: 5: Hoare triple {23#true} ~x~0 := 5; {23#true} is VALID [2022-04-15 13:13:31,726 INFO L290 TraceCheckUtils]: 6: Hoare triple {23#true} assume !true; {24#false} is VALID [2022-04-15 13:13:31,726 INFO L272 TraceCheckUtils]: 7: Hoare triple {24#false} call __VERIFIER_assert((if 5 == (if 0 == ~x~0 then 0 else (if 1 == ~x~0 then 1 else ~bitwiseAnd(~x~0, 5))) % 4294967296 then 1 else 0)); {24#false} is VALID [2022-04-15 13:13:31,726 INFO L290 TraceCheckUtils]: 8: Hoare triple {24#false} ~cond := #in~cond; {24#false} is VALID [2022-04-15 13:13:31,726 INFO L290 TraceCheckUtils]: 9: Hoare triple {24#false} assume 0 == ~cond; {24#false} is VALID [2022-04-15 13:13:31,726 INFO L290 TraceCheckUtils]: 10: Hoare triple {24#false} assume !false; {24#false} is VALID [2022-04-15 13:13:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-15 13:13:31,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-15 13:13:31,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441803346] [2022-04-15 13:13:31,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441803346] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:13:31,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:13:31,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 13:13:31,732 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-15 13:13:31,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1728978070] [2022-04-15 13:13:31,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1728978070] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-15 13:13:31,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-15 13:13:31,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-15 13:13:31,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616997989] [2022-04-15 13:13:31,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-15 13:13:31,737 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 [2022-04-15 13:13:31,738 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-15 13:13:31,740 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) [2022-04-15 13:13:31,759 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:13:31,759 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-15 13:13:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-15 13:13:31,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-15 13:13:31,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 13:13:31,779 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) [2022-04-15 13:13:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:13:31,852 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-04-15 13:13:31,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-15 13:13:31,853 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 [2022-04-15 13:13:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-15 13:13:31,854 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) [2022-04-15 13:13:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-04-15 13:13:31,860 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) [2022-04-15 13:13:31,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-04-15 13:13:31,865 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 35 transitions. [2022-04-15 13:13:31,904 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:13:31,909 INFO L225 Difference]: With dead ends: 32 [2022-04-15 13:13:31,909 INFO L226 Difference]: Without dead ends: 13 [2022-04-15 13:13:31,911 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-15 13:13:31,914 INFO L913 BasicCegarLoop]: 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 [2022-04-15 13:13:31,916 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 22 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-15 13:13:31,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-04-15 13:13:31,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-04-15 13:13:31,935 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-15 13:13:31,936 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) [2022-04-15 13:13:31,937 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) [2022-04-15 13:13:31,937 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) [2022-04-15 13:13:31,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:13:31,942 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-15 13:13:31,942 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-15 13:13:31,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 13:13:31,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 13:13:31,943 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. [2022-04-15 13:13:31,943 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. [2022-04-15 13:13:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-15 13:13:31,945 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-15 13:13:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-15 13:13:31,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-15 13:13:31,946 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-15 13:13:31,946 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-15 13:13:31,946 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-15 13:13:31,947 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) [2022-04-15 13:13:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-04-15 13:13:31,949 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2022-04-15 13:13:31,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-15 13:13:31,949 INFO L478 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-04-15 13:13:31,949 INFO L479 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) [2022-04-15 13:13:31,949 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 13 transitions. [2022-04-15 13:13:31,973 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-15 13:13:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-15 13:13:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-15 13:13:31,974 INFO L491 BasicCegarLoop]: Found error trace [2022-04-15 13:13:31,974 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-15 13:13:31,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-15 13:13:31,975 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-15 13:13:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-15 13:13:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2042096758, now seen corresponding path program 1 times [2022-04-15 13:13:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-15 13:13:31,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1676419768] [2022-04-15 13:13:31,976 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-15 13:13:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash 2042096758, now seen corresponding path program 2 times [2022-04-15 13:13:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-15 13:13:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780661692] [2022-04-15 13:13:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-15 13:13:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-15 13:13:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-15 13:13:32,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-15 13:13:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-15 13:13:32,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-15 13:13:32,042 INFO L130 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found a feasible trace [2022-04-15 13:13:32,043 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-15 13:13:32,045 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-15 13:13:32,046 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-15 13:13:32,048 INFO L719 BasicCegarLoop]: Path program histogram: [2, 2] [2022-04-15 13:13:32,050 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-15 13:13:32,057 WARN L170 areAnnotationChecker]: reach_errorENTRY has no Hoare annotation [2022-04-15 13:13:32,057 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2022-04-15 13:13:32,057 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: reach_errorFINAL has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2022-04-15 13:13:32,058 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L6-2 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-15 13:13:32,059 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-15 13:13:32,060 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-15 13:13:32,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 01:13:32 BoogieIcfgContainer [2022-04-15 13:13:32,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-15 13:13:32,063 INFO L158 Benchmark]: Toolchain (without parser) took 1020.22ms. Allocated memory is still 191.9MB. Free memory was 141.4MB in the beginning and 118.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.9MB. Max. memory is 8.0GB. [2022-04-15 13:13:32,065 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 157.5MB in the beginning and 157.3MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 13:13:32,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.11ms. Allocated memory is still 191.9MB. Free memory was 141.2MB in the beginning and 167.8MB in the end (delta: -26.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-04-15 13:13:32,067 INFO L158 Benchmark]: Boogie Preprocessor took 24.93ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 166.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-15 13:13:32,068 INFO L158 Benchmark]: RCFGBuilder took 197.38ms. Allocated memory is still 191.9MB. Free memory was 166.1MB in the beginning and 156.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-15 13:13:32,068 INFO L158 Benchmark]: TraceAbstraction took 582.09ms. Allocated memory is still 191.9MB. Free memory was 156.1MB in the beginning and 118.0MB in the end (delta: 38.2MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-04-15 13:13:32,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory was 157.5MB in the beginning and 157.3MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.11ms. Allocated memory is still 191.9MB. Free memory was 141.2MB in the beginning and 167.8MB in the end (delta: -26.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.93ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 166.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 197.38ms. Allocated memory is still 191.9MB. Free memory was 166.1MB in the beginning and 156.8MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 582.09ms. Allocated memory is still 191.9MB. Free memory was 156.1MB in the beginning and 118.0MB in the end (delta: 38.2MB). Peak memory consumption was 38.8MB. 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 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; [L13] COND FALSE !(__VERIFIER_nondet_int()) [L16] CALL __VERIFIER_assert((x & 5) == 5) [L6] COND TRUE !(cond) [L7] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-04-15 13:13:32,095 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...