/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s5iff.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-09 23:24:32,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-09 23:24:32,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-09 23:24:32,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-09 23:24:32,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-09 23:24:32,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-09 23:24:32,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-09 23:24:32,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-09 23:24:32,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-09 23:24:32,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-09 23:24:32,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-09 23:24:32,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-09 23:24:32,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-09 23:24:32,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-09 23:24:32,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-09 23:24:32,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-09 23:24:32,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-09 23:24:32,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-09 23:24:32,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-09 23:24:32,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-09 23:24:32,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-09 23:24:32,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-09 23:24:32,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-09 23:24:32,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-09 23:24:32,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-09 23:24:32,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-09 23:24:32,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-09 23:24:32,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-09 23:24:32,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-09 23:24:32,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-09 23:24:32,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-09 23:24:32,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-09 23:24:32,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-09 23:24:32,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-09 23:24:32,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-09 23:24:32,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-09 23:24:32,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-09 23:24:32,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-09 23:24:32,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-09 23:24:32,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-09 23:24:32,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-09 23:24:32,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-09 23:24:32,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-09 23:24:32,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-09 23:24:32,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-09 23:24:32,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-09 23:24:32,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-09 23:24:32,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-09 23:24:32,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-09 23:24:32,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-09 23:24:32,774 INFO L138 SettingsManager]: * Use SBE=true [2022-01-09 23:24:32,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-09 23:24:32,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-09 23:24:32,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-09 23:24:32,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-09 23:24:32,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-09 23:24:32,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:24:32,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-09 23:24:32,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-09 23:24:32,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-09 23:24:32,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-09 23:24:32,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-09 23:24:32,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-09 23:24:32,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-09 23:24:32,981 INFO L275 PluginConnector]: CDTParser initialized [2022-01-09 23:24:32,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s5iff.c [2022-01-09 23:24:33,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bc49d87/f93b7a90fbbc496d9a07a05092cce7df/FLAG389b9d1b3 [2022-01-09 23:24:33,391 INFO L306 CDTParser]: Found 1 translation units. [2022-01-09 23:24:33,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s5iff.c [2022-01-09 23:24:33,398 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bc49d87/f93b7a90fbbc496d9a07a05092cce7df/FLAG389b9d1b3 [2022-01-09 23:24:33,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5bc49d87/f93b7a90fbbc496d9a07a05092cce7df [2022-01-09 23:24:33,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-09 23:24:33,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-09 23:24:33,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-09 23:24:33,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-09 23:24:33,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-09 23:24:33,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12545dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33, skipping insertion in model container [2022-01-09 23:24:33,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-09 23:24:33,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-09 23:24:33,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s5iff.c[588,601] [2022-01-09 23:24:33,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:24:33,586 INFO L203 MainTranslator]: Completed pre-run [2022-01-09 23:24:33,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s5iff.c[588,601] [2022-01-09 23:24:33,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-09 23:24:33,604 INFO L208 MainTranslator]: Completed translation [2022-01-09 23:24:33,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33 WrapperNode [2022-01-09 23:24:33,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-09 23:24:33,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-09 23:24:33,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-09 23:24:33,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-09 23:24:33,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,623 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2022-01-09 23:24:33,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-09 23:24:33,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-09 23:24:33,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-09 23:24:33,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-09 23:24:33,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-09 23:24:33,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-09 23:24:33,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-09 23:24:33,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-09 23:24:33,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (1/1) ... [2022-01-09 23:24:33,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-09 23:24:33,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-09 23:24:33,696 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) [2022-01-09 23:24:33,709 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 [2022-01-09 23:24:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-09 23:24:33,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-09 23:24:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-09 23:24:33,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-09 23:24:33,785 INFO L234 CfgBuilder]: Building ICFG [2022-01-09 23:24:33,786 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-09 23:24:33,910 INFO L275 CfgBuilder]: Performing block encoding [2022-01-09 23:24:33,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-09 23:24:33,916 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-09 23:24:33,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:24:33 BoogieIcfgContainer [2022-01-09 23:24:33,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-09 23:24:33,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-09 23:24:33,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-09 23:24:33,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-09 23:24:33,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 11:24:33" (1/3) ... [2022-01-09 23:24:33,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0c0bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:24:33, skipping insertion in model container [2022-01-09 23:24:33,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 11:24:33" (2/3) ... [2022-01-09 23:24:33,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0c0bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 11:24:33, skipping insertion in model container [2022-01-09 23:24:33,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 11:24:33" (3/3) ... [2022-01-09 23:24:33,923 INFO L111 eAbstractionObserver]: Analyzing ICFG s5iff.c [2022-01-09 23:24:33,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-09 23:24:33,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-09 23:24:33,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-09 23:24:33,974 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-09 23:24:33,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-09 23:24:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2022-01-09 23:24:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-09 23:24:33,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:24:33,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:24:33,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:24:33,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:24:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2022-01-09 23:24:34,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:24:34,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582291852] [2022-01-09 23:24:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:24:34,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:24:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:24:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:24:34,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:24:34,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582291852] [2022-01-09 23:24:34,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582291852] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:24:34,143 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:24:34,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-09 23:24:34,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285165142] [2022-01-09 23:24:34,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:24:34,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-09 23:24:34,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:24:34,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-09 23:24:34,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-09 23:24:34,199 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-09 23:24:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:24:34,208 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-01-09 23:24:34,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-09 23:24:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11 [2022-01-09 23:24:34,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:24:34,226 INFO L225 Difference]: With dead ends: 34 [2022-01-09 23:24:34,226 INFO L226 Difference]: Without dead ends: 15 [2022-01-09 23:24:34,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-09 23:24:34,230 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:24:34,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:24:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-01-09 23:24:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-01-09 23:24:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2022-01-09 23:24:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-01-09 23:24:34,254 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-01-09 23:24:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:24:34,254 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-01-09 23:24:34,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-01-09 23:24:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-01-09 23:24:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-01-09 23:24:34,255 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:24:34,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:24:34,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-09 23:24:34,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:24:34,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:24:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2022-01-09 23:24:34,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:24:34,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960631252] [2022-01-09 23:24:34,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:24:34,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:24:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-09 23:24:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-09 23:24:34,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-09 23:24:34,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960631252] [2022-01-09 23:24:34,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960631252] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-09 23:24:34,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-09 23:24:34,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-09 23:24:34,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479219221] [2022-01-09 23:24:34,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-09 23:24:34,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-09 23:24:34,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-09 23:24:34,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-09 23:24:34,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:24:34,364 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-01-09 23:24:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-09 23:24:34,406 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-01-09 23:24:34,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-09 23:24:34,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11 [2022-01-09 23:24:34,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-09 23:24:34,407 INFO L225 Difference]: With dead ends: 28 [2022-01-09 23:24:34,407 INFO L226 Difference]: Without dead ends: 20 [2022-01-09 23:24:34,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-09 23:24:34,408 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 21 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-09 23:24:34,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 10 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-09 23:24:34,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-09 23:24:34,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2022-01-09 23:24:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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) [2022-01-09 23:24:34,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-01-09 23:24:34,412 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-01-09 23:24:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-09 23:24:34,412 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-01-09 23:24:34,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-01-09 23:24:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-01-09 23:24:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-09 23:24:34,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-09 23:24:34,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-09 23:24:34,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-09 23:24:34,413 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-09 23:24:34,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-09 23:24:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2022-01-09 23:24:34,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-09 23:24:34,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927590374] [2022-01-09 23:24:34,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-09 23:24:34,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-09 23:24:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-09 23:24:34,464 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-09 23:24:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-09 23:24:34,509 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-09 23:24:34,510 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-09 23:24:34,510 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-09 23:24:34,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-09 23:24:34,513 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-09 23:24:34,515 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-09 23:24:34,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 11:24:34 BoogieIcfgContainer [2022-01-09 23:24:34,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-09 23:24:34,548 INFO L158 Benchmark]: Toolchain (without parser) took 1136.31ms. Allocated memory is still 197.1MB. Free memory was 146.8MB in the beginning and 126.0MB in the end (delta: 20.8MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,549 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 197.1MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-09 23:24:34,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.07ms. Allocated memory is still 197.1MB. Free memory was 146.6MB in the beginning and 173.7MB in the end (delta: -27.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.54ms. Allocated memory is still 197.1MB. Free memory was 173.7MB in the beginning and 172.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,555 INFO L158 Benchmark]: Boogie Preprocessor took 12.92ms. Allocated memory is still 197.1MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,557 INFO L158 Benchmark]: RCFGBuilder took 280.28ms. Allocated memory is still 197.1MB. Free memory was 171.1MB in the beginning and 159.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,558 INFO L158 Benchmark]: TraceAbstraction took 629.60ms. Allocated memory is still 197.1MB. Free memory was 159.6MB in the beginning and 126.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2022-01-09 23:24:34,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 197.1MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.07ms. Allocated memory is still 197.1MB. Free memory was 146.6MB in the beginning and 173.7MB in the end (delta: -27.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.54ms. Allocated memory is still 197.1MB. Free memory was 173.7MB in the beginning and 172.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.92ms. Allocated memory is still 197.1MB. Free memory was 172.2MB in the beginning and 171.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 280.28ms. Allocated memory is still 197.1MB. Free memory was 171.1MB in the beginning and 159.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 629.60ms. Allocated memory is still 197.1MB. Free memory was 159.6MB in the beginning and 126.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={7:0}] [L32] COND TRUE i