/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/brs5f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 11:01:10,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 11:01:10,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 11:01:10,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 11:01:10,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 11:01:10,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 11:01:10,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 11:01:10,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 11:01:10,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 11:01:10,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 11:01:10,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 11:01:10,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 11:01:10,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 11:01:10,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 11:01:10,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 11:01:10,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 11:01:10,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 11:01:10,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 11:01:10,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 11:01:10,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 11:01:10,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 11:01:10,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 11:01:10,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 11:01:10,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 11:01:10,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 11:01:10,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 11:01:10,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 11:01:10,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 11:01:10,633 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 11:01:10,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 11:01:10,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 11:01:10,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 11:01:10,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 11:01:10,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 11:01:10,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 11:01:10,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:01:10,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 11:01:10,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 11:01:10,648 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 11:01:10,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 11:01:10,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 11:01:10,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 11:01:10,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 11:01:10,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 11:01:10,864 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 11:01:10,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/brs5f.c [2022-01-31 11:01:10,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17b0de66/cd3dee198e3c4455b01fe5a4fc021bb3/FLAGd31d7fa14 [2022-01-31 11:01:11,261 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 11:01:11,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/brs5f.c [2022-01-31 11:01:11,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17b0de66/cd3dee198e3c4455b01fe5a4fc021bb3/FLAGd31d7fa14 [2022-01-31 11:01:11,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17b0de66/cd3dee198e3c4455b01fe5a4fc021bb3 [2022-01-31 11:01:11,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 11:01:11,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 11:01:11,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 11:01:11,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 11:01:11,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 11:01:11,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53945963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11, skipping insertion in model container [2022-01-31 11:01:11,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 11:01:11,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 11:01:11,881 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/brs5f.c[588,601] [2022-01-31 11:01:11,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:01:11,903 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 11:01:11,911 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/brs5f.c[588,601] [2022-01-31 11:01:11,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:01:11,937 INFO L208 MainTranslator]: Completed translation [2022-01-31 11:01:11,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11 WrapperNode [2022-01-31 11:01:11,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 11:01:11,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 11:01:11,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 11:01:11,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 11:01:11,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 11:01:11,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 11:01:11,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 11:01:11,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 11:01:11,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (1/1) ... [2022-01-31 11:01:11,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:01:12,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 11:01:12,021 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 11:01:12,043 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 11:01:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 11:01:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 11:01:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 11:01:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 11:01:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 11:01:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 11:01:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 11:01:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 11:01:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 11:01:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 11:01:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 11:01:12,134 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 11:01:12,136 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 11:01:12,258 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 11:01:12,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 11:01:12,263 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-01-31 11:01:12,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:01:12 BoogieIcfgContainer [2022-01-31 11:01:12,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 11:01:12,264 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 11:01:12,265 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 11:01:12,265 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 11:01:12,268 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:01:12" (1/1) ... [2022-01-31 11:01:12,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:01:12 BasicIcfg [2022-01-31 11:01:12,298 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 11:01:12,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 11:01:12,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 11:01:12,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 11:01:12,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:01:11" (1/4) ... [2022-01-31 11:01:12,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e07e3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:01:12, skipping insertion in model container [2022-01-31 11:01:12,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:01:11" (2/4) ... [2022-01-31 11:01:12,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e07e3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:01:12, skipping insertion in model container [2022-01-31 11:01:12,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:01:12" (3/4) ... [2022-01-31 11:01:12,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e07e3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:01:12, skipping insertion in model container [2022-01-31 11:01:12,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:01:12" (4/4) ... [2022-01-31 11:01:12,303 INFO L111 eAbstractionObserver]: Analyzing ICFG brs5f.cJordan [2022-01-31 11:01:12,306 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 11:01:12,306 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 11:01:12,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 11:01:12,371 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 11:01:12,372 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 11:01:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 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 11:01:12,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 11:01:12,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:01:12,392 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] [2022-01-31 11:01:12,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:01:12,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:01:12,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1014028907, now seen corresponding path program 1 times [2022-01-31 11:01:12,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:01:12,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090812511] [2022-01-31 11:01:12,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:01:12,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:01:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:01:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:01:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,597 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 11:01:12,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:01:12,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090812511] [2022-01-31 11:01:12,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090812511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:01:12,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:01:12,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 11:01:12,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232533468] [2022-01-31 11:01:12,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:01:12,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 11:01:12,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:01:12,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 11:01:12,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 11:01:12,628 INFO L87 Difference]: Start difference. First operand has 33 states, 23 states have (on average 1.434782608695652) internal successors, (33), 24 states have internal predecessors, (33), 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 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 11:01:12,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:01:12,688 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-01-31 11:01:12,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 11:01:12,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 21 [2022-01-31 11:01:12,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:01:12,697 INFO L225 Difference]: With dead ends: 33 [2022-01-31 11:01:12,698 INFO L226 Difference]: Without dead ends: 26 [2022-01-31 11:01:12,699 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 11:01:12,704 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 11:01:12,704 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 11:01:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-01-31 11:01:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-01-31 11:01:12,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 11:01:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-01-31 11:01:12,727 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 21 [2022-01-31 11:01:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:01:12,727 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-01-31 11:01:12,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 11:01:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-01-31 11:01:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-31 11:01:12,728 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:01:12,728 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] [2022-01-31 11:01:12,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 11:01:12,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:01:12,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:01:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1380416184, now seen corresponding path program 1 times [2022-01-31 11:01:12,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:01:12,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512801983] [2022-01-31 11:01:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:01:12,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:01:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:01:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:01:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:01:12,817 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 11:01:12,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:01:12,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512801983] [2022-01-31 11:01:12,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512801983] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:01:12,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:01:12,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 11:01:12,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447341496] [2022-01-31 11:01:12,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:01:12,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 11:01:12,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:01:12,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 11:01:12,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 11:01:12,820 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 11:01:12,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:01:12,911 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2022-01-31 11:01:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 11:01:12,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 21 [2022-01-31 11:01:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:01:12,912 INFO L225 Difference]: With dead ends: 32 [2022-01-31 11:01:12,912 INFO L226 Difference]: Without dead ends: 32 [2022-01-31 11:01:12,912 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 11:01:12,913 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 29 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 11:01:12,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 30 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 11:01:12,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-01-31 11:01:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2022-01-31 11:01:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-01-31 11:01:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-01-31 11:01:12,917 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 21 [2022-01-31 11:01:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:01:12,917 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-01-31 11:01:12,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 11:01:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-01-31 11:01:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-01-31 11:01:12,918 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:01:12,918 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] [2022-01-31 11:01:12,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 11:01:12,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:01:12,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:01:12,919 INFO L85 PathProgramCache]: Analyzing trace with hash 80423430, now seen corresponding path program 1 times [2022-01-31 11:01:12,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:01:12,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910438972] [2022-01-31 11:01:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:01:12,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:01:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:01:12,954 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 11:01:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:01:12,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 11:01:12,991 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 11:01:12,992 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 11:01:12,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 11:01:12,995 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-31 11:01:12,997 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 11:01:13,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:01:13 BasicIcfg [2022-01-31 11:01:13,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 11:01:13,020 INFO L158 Benchmark]: Toolchain (without parser) took 1319.31ms. Allocated memory is still 181.4MB. Free memory was 136.1MB in the beginning and 106.7MB in the end (delta: 29.4MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,020 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 152.5MB in the beginning and 152.4MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 11:01:13,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.21ms. Allocated memory is still 181.4MB. Free memory was 136.0MB in the beginning and 161.6MB in the end (delta: -25.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,021 INFO L158 Benchmark]: Boogie Preprocessor took 48.80ms. Allocated memory is still 181.4MB. Free memory was 161.3MB in the beginning and 159.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,021 INFO L158 Benchmark]: RCFGBuilder took 275.37ms. Allocated memory is still 181.4MB. Free memory was 159.7MB in the beginning and 148.1MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,022 INFO L158 Benchmark]: IcfgTransformer took 33.31ms. Allocated memory is still 181.4MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,022 INFO L158 Benchmark]: TraceAbstraction took 720.48ms. Allocated memory is still 181.4MB. Free memory was 146.6MB in the beginning and 106.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-01-31 11:01:13,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory was 152.5MB in the beginning and 152.4MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.21ms. Allocated memory is still 181.4MB. Free memory was 136.0MB in the beginning and 161.6MB in the end (delta: -25.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.80ms. Allocated memory is still 181.4MB. Free memory was 161.3MB in the beginning and 159.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 275.37ms. Allocated memory is still 181.4MB. Free memory was 159.7MB in the beginning and 148.1MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 33.31ms. Allocated memory is still 181.4MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 720.48ms. Allocated memory is still 181.4MB. Free memory was 146.6MB in the beginning and 106.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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)=51, 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] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [\old(N)=0, a={-1:0}, i=0, N=1, sum={7:0}] [L31] COND TRUE i