/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-15 04:01:01,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 04:01:01,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 04:01:01,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 04:01:01,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 04:01:01,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 04:01:01,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 04:01:01,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 04:01:01,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 04:01:01,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 04:01:01,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 04:01:01,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 04:01:01,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 04:01:01,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 04:01:01,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 04:01:01,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 04:01:01,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 04:01:01,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 04:01:01,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 04:01:01,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 04:01:01,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 04:01:01,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 04:01:01,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 04:01:01,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 04:01:01,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 04:01:01,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 04:01:01,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 04:01:01,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 04:01:01,380 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-15 04:01:01,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 04:01:01,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 04:01:01,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 04:01:01,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 04:01:01,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 04:01:01,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:01:01,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-15 04:01:01,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 04:01:01,390 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-15 04:01:01,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-15 04:01:01,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 04:01:01,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 04:01:01,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 04:01:01,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 04:01:01,567 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 04:01:01,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-02-15 04:01:01,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15859e626/aa7375e9f47c448da0e0fa51c15a08c8/FLAG43c00b113 [2022-02-15 04:01:01,988 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 04:01:01,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-02-15 04:01:01,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15859e626/aa7375e9f47c448da0e0fa51c15a08c8/FLAG43c00b113 [2022-02-15 04:01:02,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15859e626/aa7375e9f47c448da0e0fa51c15a08c8 [2022-02-15 04:01:02,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 04:01:02,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 04:01:02,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 04:01:02,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 04:01:02,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 04:01:02,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b1abfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02, skipping insertion in model container [2022-02-15 04:01:02,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 04:01:02,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 04:01:02,687 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-industry-pattern/ofuf_5.c[11314,11327] [2022-02-15 04:01:02,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:01:02,704 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 04:01:02,780 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-industry-pattern/ofuf_5.c[11314,11327] [2022-02-15 04:01:02,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 04:01:02,790 INFO L208 MainTranslator]: Completed translation [2022-02-15 04:01:02,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02 WrapperNode [2022-02-15 04:01:02,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 04:01:02,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 04:01:02,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 04:01:02,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 04:01:02,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 04:01:02,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 04:01:02,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 04:01:02,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 04:01:02,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (1/1) ... [2022-02-15 04:01:02,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 04:01:02,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 04:01:02,900 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) [2022-02-15 04:01:02,906 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 [2022-02-15 04:01:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-15 04:01:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 04:01:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-15 04:01:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-15 04:01:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-15 04:01:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-15 04:01:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-15 04:01:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-15 04:01:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 04:01:03,059 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 04:01:03,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 04:01:03,418 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 04:01:03,426 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 04:01:03,426 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-15 04:01:03,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:01:03 BoogieIcfgContainer [2022-02-15 04:01:03,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 04:01:03,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 04:01:03,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 04:01:03,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 04:01:03,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 04:01:02" (1/3) ... [2022-02-15 04:01:03,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177f10fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:01:03, skipping insertion in model container [2022-02-15 04:01:03,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 04:01:02" (2/3) ... [2022-02-15 04:01:03,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177f10fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 04:01:03, skipping insertion in model container [2022-02-15 04:01:03,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 04:01:03" (3/3) ... [2022-02-15 04:01:03,435 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2022-02-15 04:01:03,439 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-15 04:01:03,439 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 04:01:03,474 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 04:01:03,478 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, 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, mLoopAccelerationTechnique=QVASR [2022-02-15 04:01:03,479 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-15 04:01:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-02-15 04:01:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-15 04:01:03,499 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:01:03,499 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:01:03,500 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:01:03,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:01:03,504 INFO L85 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2022-02-15 04:01:03,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:01:03,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513434611] [2022-02-15 04:01:03,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:01:03,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:01:03,559 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:01:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:01:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-15 04:01:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-15 04:01:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-02-15 04:01:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-15 04:01:03,937 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:01:03,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513434611] [2022-02-15 04:01:03,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1513434611] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:01:03,939 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:01:03,939 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 04:01:03,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437221032] [2022-02-15 04:01:03,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:01:03,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 04:01:03,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:01:03,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 04:01:03,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 04:01:03,966 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 04:01:04,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:01:04,343 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-02-15 04:01:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 04:01:04,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-02-15 04:01:04,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:01:04,353 INFO L225 Difference]: With dead ends: 245 [2022-02-15 04:01:04,353 INFO L226 Difference]: Without dead ends: 120 [2022-02-15 04:01:04,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-15 04:01:04,362 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-15 04:01:04,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-15 04:01:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-02-15 04:01:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-02-15 04:01:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-02-15 04:01:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-02-15 04:01:04,407 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-02-15 04:01:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:01:04,407 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-02-15 04:01:04,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 04:01:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-02-15 04:01:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-15 04:01:04,409 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 04:01:04,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 04:01:04,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 04:01:04,409 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-15 04:01:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 04:01:04,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2022-02-15 04:01:04,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-15 04:01:04,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291984456] [2022-02-15 04:01:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 04:01:04,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 04:01:04,412 INFO L274 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-15 04:01:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-15 04:01:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-15 04:01:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-15 04:01:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-02-15 04:01:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 04:01:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 04:01:04,562 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-15 04:01:04,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291984456] [2022-02-15 04:01:04,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1291984456] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 04:01:04,562 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 04:01:04,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 04:01:04,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393301643] [2022-02-15 04:01:04,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 04:01:04,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 04:01:04,563 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-15 04:01:04,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 04:01:04,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 04:01:04,564 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 04:01:05,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 04:01:05,200 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-02-15 04:01:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 04:01:05,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-02-15 04:01:05,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 04:01:05,201 INFO L225 Difference]: With dead ends: 148 [2022-02-15 04:01:05,201 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 04:01:05,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-02-15 04:01:05,203 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-15 04:01:05,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-15 04:01:05,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 04:01:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 04:01:05,204 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) [2022-02-15 04:01:05,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 04:01:05,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-02-15 04:01:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 04:01:05,205 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 04:01:05,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-02-15 04:01:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 04:01:05,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 04:01:05,207 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-15 04:01:05,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 04:01:05,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-15 04:01:05,585 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-02-15 04:01:05,585 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-02-15 04:01:05,585 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-02-15 04:01:05,585 INFO L861 garLoopResultBuilder]: At program point L221(line 221) the Hoare annotation is: true [2022-02-15 04:01:05,585 INFO L861 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L217-2(line 217) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L234-2(line 234) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L234-3(line 234) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2022-02-15 04:01:05,586 INFO L861 garLoopResultBuilder]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L214-2(line 214) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L202(lines 202 208) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2022-02-15 04:01:05,587 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L198(lines 198 201) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L211-2(line 211) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L236(lines 236 241) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2022-02-15 04:01:05,588 INFO L861 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L861 garLoopResultBuilder]: At program point L220-2(line 220) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L861 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L861 garLoopResultBuilder]: At program point L204(lines 204 207) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L861 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L854 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,589 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2022-02-15 04:01:05,589 INFO L854 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L854 garLoopResultBuilder]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point L255(lines 255 269) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point L272-1(line 272) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2022-02-15 04:01:05,590 INFO L861 garLoopResultBuilder]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2022-02-15 04:01:05,591 INFO L861 garLoopResultBuilder]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2022-02-15 04:01:05,591 INFO L861 garLoopResultBuilder]: At program point L261(lines 261 269) the Hoare annotation is: true [2022-02-15 04:01:05,591 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2022-02-15 04:01:05,591 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2022-02-15 04:01:05,591 INFO L854 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,591 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,591 INFO L854 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,591 INFO L854 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,592 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L408-2(lines 408 415) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L406-2(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,592 INFO L854 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2022-02-15 04:01:05,593 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-02-15 04:01:05,593 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-02-15 04:01:05,593 INFO L858 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-02-15 04:01:05,593 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2022-02-15 04:01:05,593 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2022-02-15 04:01:05,593 INFO L861 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L388-1(line 388) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L389(lines 389 392) the Hoare annotation is: true [2022-02-15 04:01:05,594 INFO L861 garLoopResultBuilder]: At program point L356(lines 356 397) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-02-15 04:01:05,595 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L854 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L854 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L296-1(line 296) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L854 garLoopResultBuilder]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L290-1(line 290) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L288(lines 288 295) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L284(lines 284 287) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-02-15 04:01:05,596 INFO L861 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L318(lines 318 323) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L316-2(line 316) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L316-3(line 316) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L304(lines 304 307) the Hoare annotation is: true [2022-02-15 04:01:05,597 INFO L861 garLoopResultBuilder]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point L311(lines 311 314) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-02-15 04:01:05,598 INFO L861 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-02-15 04:01:05,599 INFO L861 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-02-15 04:01:05,599 INFO L861 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-02-15 04:01:05,599 INFO L861 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-02-15 04:01:05,599 INFO L854 garLoopResultBuilder]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-02-15 04:01:05,599 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-02-15 04:01:05,599 INFO L854 garLoopResultBuilder]: At program point L461(lines 461 464) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-02-15 04:01:05,599 INFO L854 garLoopResultBuilder]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-02-15 04:01:05,599 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2022-02-15 04:01:05,599 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2022-02-15 04:01:05,602 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 04:01:05,603 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 04:01:05,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 04:01:05 BoogieIcfgContainer [2022-02-15 04:01:05,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 04:01:05,614 INFO L158 Benchmark]: Toolchain (without parser) took 3201.69ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 160.4MB in the beginning and 153.7MB in the end (delta: 6.7MB). Peak memory consumption was 135.1MB. Max. memory is 8.0GB. [2022-02-15 04:01:05,614 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 04:01:05,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.54ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 151.2MB in the end (delta: 9.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-02-15 04:01:05,615 INFO L158 Benchmark]: Boogie Preprocessor took 67.96ms. Allocated memory is still 187.7MB. Free memory was 151.2MB in the beginning and 147.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 04:01:05,615 INFO L158 Benchmark]: RCFGBuilder took 562.02ms. Allocated memory is still 187.7MB. Free memory was 147.7MB in the beginning and 117.6MB in the end (delta: 30.1MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-15 04:01:05,615 INFO L158 Benchmark]: TraceAbstraction took 2183.22ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 117.3MB in the beginning and 153.7MB in the end (delta: -36.4MB). Peak memory consumption was 92.6MB. Max. memory is 8.0GB. [2022-02-15 04:01:05,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.54ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 151.2MB in the end (delta: 9.0MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.96ms. Allocated memory is still 187.7MB. Free memory was 151.2MB in the beginning and 147.7MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 562.02ms. Allocated memory is still 187.7MB. Free memory was 147.7MB in the beginning and 117.6MB in the end (delta: 30.1MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2183.22ms. Allocated memory was 187.7MB in the beginning and 225.4MB in the end (delta: 37.7MB). Free memory was 117.3MB in the beginning and 153.7MB in the end (delta: -36.4MB). Peak memory consumption was 92.6MB. 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: 463]: 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 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 353 HoareAnnotationTreeSize, 455 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 129 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: !(Id_MCDC_103 == 0) || \old(Id_MCDC_103) == 0 RESULT: Ultimate proved your program to be correct! [2022-02-15 04:01:05,644 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...