/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/array-fpi/modnf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 11:21:14,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 11:21:14,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 11:21:14,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 11:21:14,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 11:21:14,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 11:21:14,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 11:21:14,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 11:21:14,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 11:21:14,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 11:21:14,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 11:21:14,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 11:21:14,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 11:21:14,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 11:21:14,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 11:21:14,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 11:21:14,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 11:21:14,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 11:21:14,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 11:21:14,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 11:21:14,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 11:21:14,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 11:21:14,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 11:21:14,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 11:21:14,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 11:21:14,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 11:21:14,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 11:21:14,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 11:21:14,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 11:21:14,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 11:21:14,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 11:21:14,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 11:21:14,547 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 11:21:14,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 11:21:14,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:21:14,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 11:21:14,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 11:21:14,549 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 11:21:14,549 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 11:21:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 11:21:14,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 11:21:14,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 11:21:14,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 11:21:14,749 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 11:21:14,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modnf.c [2022-01-31 11:21:14,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9018a5c0d/5cdef7f7a1d4489099b2438c118dc168/FLAG66b1cf614 [2022-01-31 11:21:15,138 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 11:21:15,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/modnf.c [2022-01-31 11:21:15,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9018a5c0d/5cdef7f7a1d4489099b2438c118dc168/FLAG66b1cf614 [2022-01-31 11:21:15,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9018a5c0d/5cdef7f7a1d4489099b2438c118dc168 [2022-01-31 11:21:15,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 11:21:15,574 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 11:21:15,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 11:21:15,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 11:21:15,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 11:21:15,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405ed143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15, skipping insertion in model container [2022-01-31 11:21:15,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 11:21:15,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 11:21:15,713 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/modnf.c[588,601] [2022-01-31 11:21:15,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:21:15,737 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 11:21:15,745 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/modnf.c[588,601] [2022-01-31 11:21:15,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:21:15,759 INFO L208 MainTranslator]: Completed translation [2022-01-31 11:21:15,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15 WrapperNode [2022-01-31 11:21:15,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 11:21:15,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 11:21:15,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 11:21:15,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 11:21:15,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 11:21:15,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 11:21:15,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 11:21:15,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 11:21:15,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (1/1) ... [2022-01-31 11:21:15,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:21:15,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 11:21:15,814 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) [2022-01-31 11:21:15,822 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 [2022-01-31 11:21:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 11:21:15,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 11:21:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 11:21:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 11:21:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 11:21:15,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 11:21:15,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 11:21:15,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 11:21:15,892 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 11:21:15,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 11:21:16,057 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 11:21:16,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 11:21:16,063 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-31 11:21:16,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:21:16 BoogieIcfgContainer [2022-01-31 11:21:16,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 11:21:16,065 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 11:21:16,065 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 11:21:16,075 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 11:21:16,077 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:21:16" (1/1) ... [2022-01-31 11:21:16,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:21:16 BasicIcfg [2022-01-31 11:21:16,102 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 11:21:16,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 11:21:16,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 11:21:16,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 11:21:16,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:21:15" (1/4) ... [2022-01-31 11:21:16,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12181b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:21:16, skipping insertion in model container [2022-01-31 11:21:16,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:21:15" (2/4) ... [2022-01-31 11:21:16,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12181b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:21:16, skipping insertion in model container [2022-01-31 11:21:16,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:21:16" (3/4) ... [2022-01-31 11:21:16,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12181b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:21:16, skipping insertion in model container [2022-01-31 11:21:16,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:21:16" (4/4) ... [2022-01-31 11:21:16,123 INFO L111 eAbstractionObserver]: Analyzing ICFG modnf.cJordan [2022-01-31 11:21:16,126 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 11:21:16,127 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 11:21:16,187 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 11:21:16,191 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 11:21:16,192 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 11:21:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-01-31 11:21:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 11:21:16,211 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:21:16,211 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] [2022-01-31 11:21:16,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:21:16,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:21:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash 683153263, now seen corresponding path program 1 times [2022-01-31 11:21:16,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:21:16,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541363145] [2022-01-31 11:21:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:21:16,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:21:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:21:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:21:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 11:21:16,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:21:16,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541363145] [2022-01-31 11:21:16,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541363145] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:21:16,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:21:16,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 11:21:16,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559359914] [2022-01-31 11:21:16,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:21:16,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 11:21:16,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:21:16,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 11:21:16,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 11:21:16,437 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 11:21:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:21:16,474 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-01-31 11:21:16,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 11:21:16,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-01-31 11:21:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:21:16,480 INFO L225 Difference]: With dead ends: 34 [2022-01-31 11:21:16,480 INFO L226 Difference]: Without dead ends: 29 [2022-01-31 11:21:16,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 11:21:16,484 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 11:21:16,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 41 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 11:21:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-01-31 11:21:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-01-31 11:21:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 11:21:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-01-31 11:21:16,504 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2022-01-31 11:21:16,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:21:16,504 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-01-31 11:21:16,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 11:21:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-01-31 11:21:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-31 11:21:16,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:21:16,505 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] [2022-01-31 11:21:16,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 11:21:16,506 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:21:16,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:21:16,506 INFO L85 PathProgramCache]: Analyzing trace with hash -530200526, now seen corresponding path program 1 times [2022-01-31 11:21:16,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:21:16,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208038601] [2022-01-31 11:21:16,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:21:16,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:21:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:21:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:21:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:21:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 11:21:16,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:21:16,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208038601] [2022-01-31 11:21:16,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208038601] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:21:16,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:21:16,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 11:21:16,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156894908] [2022-01-31 11:21:16,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:21:16,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 11:21:16,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:21:16,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 11:21:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 11:21:16,591 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 11:21:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:21:16,655 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2022-01-31 11:21:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 11:21:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-01-31 11:21:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:21:16,658 INFO L225 Difference]: With dead ends: 37 [2022-01-31 11:21:16,658 INFO L226 Difference]: Without dead ends: 37 [2022-01-31 11:21:16,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-01-31 11:21:16,659 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 32 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 11:21:16,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 31 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 11:21:16,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-01-31 11:21:16,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2022-01-31 11:21:16,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-01-31 11:21:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-01-31 11:21:16,665 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 22 [2022-01-31 11:21:16,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:21:16,665 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-01-31 11:21:16,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 11:21:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-01-31 11:21:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-01-31 11:21:16,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:21:16,666 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] [2022-01-31 11:21:16,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 11:21:16,667 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:21:16,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:21:16,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1319940884, now seen corresponding path program 1 times [2022-01-31 11:21:16,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:21:16,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173997152] [2022-01-31 11:21:16,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:21:16,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:21:16,682 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 11:21:16,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609824759] [2022-01-31 11:21:16,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:21:16,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 11:21:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 11:21:16,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 11:21:16,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-31 11:21:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:21:16,734 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 11:21:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:21:16,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 11:21:16,778 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 11:21:16,779 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 11:21:16,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-31 11:21:16,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 11:21:16,989 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-31 11:21:16,991 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 11:21:17,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:21:17 BasicIcfg [2022-01-31 11:21:17,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 11:21:17,027 INFO L158 Benchmark]: Toolchain (without parser) took 1452.92ms. Allocated memory is still 219.2MB. Free memory was 170.5MB in the beginning and 136.4MB in the end (delta: 34.2MB). Peak memory consumption was 33.0MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,028 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 11:21:17,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.55ms. Allocated memory is still 219.2MB. Free memory was 170.4MB in the beginning and 196.2MB in the end (delta: -25.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,036 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 219.2MB. Free memory was 196.2MB in the beginning and 194.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,036 INFO L158 Benchmark]: RCFGBuilder took 276.28ms. Allocated memory is still 219.2MB. Free memory was 194.6MB in the beginning and 182.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,036 INFO L158 Benchmark]: IcfgTransformer took 36.93ms. Allocated memory is still 219.2MB. Free memory was 182.5MB in the beginning and 181.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,037 INFO L158 Benchmark]: TraceAbstraction took 923.60ms. Allocated memory is still 219.2MB. Free memory was 181.0MB in the beginning and 136.4MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-01-31 11:21:17,042 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 219.2MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 183.55ms. Allocated memory is still 219.2MB. Free memory was 170.4MB in the beginning and 196.2MB in the end (delta: -25.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 219.2MB. Free memory was 196.2MB in the beginning and 194.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 276.28ms. Allocated memory is still 219.2MB. Free memory was 194.6MB in the beginning and 182.5MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 36.93ms. Allocated memory is still 219.2MB. Free memory was 182.5MB in the beginning and 181.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 923.60ms. Allocated memory is still 219.2MB. Free memory was 181.0MB in the beginning and 136.4MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. 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 [\old(N)=10, N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) VAL [\old(N)=0, N=1] [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(cond)=1, \old(N)=0, N=1] [L13] COND FALSE !(!cond) VAL [\old(cond)=1, \old(N)=0, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) VAL [\old(N)=0, N=1] [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 VAL [\old(N)=0, a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i