/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loops/sum_array-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-18 21:38:09,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 21:38:09,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 21:38:10,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 21:38:10,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 21:38:10,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 21:38:10,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 21:38:10,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 21:38:10,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 21:38:10,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 21:38:10,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 21:38:10,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 21:38:10,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 21:38:10,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 21:38:10,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 21:38:10,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 21:38:10,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 21:38:10,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 21:38:10,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 21:38:10,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 21:38:10,037 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 21:38:10,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 21:38:10,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 21:38:10,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 21:38:10,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 21:38:10,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-18 21:38:10,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 21:38:10,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 21:38:10,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 21:38:10,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-18 21:38:10,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 21:38:10,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 21:38:10,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 21:38:10,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 21:38:10,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 21:38:10,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 21:38:10,077 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 21:38:10,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 21:38:10,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 21:38:10,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 21:38:10,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 21:38:10,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-18 21:38:10,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-18 21:38:10,080 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-18 21:38:10,080 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 21:38:10,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 21:38:10,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 21:38:10,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 21:38:10,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 21:38:10,300 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 21:38:10,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/sum_array-1.c [2022-03-18 21:38:10,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1254ed77a/dac4abff826942aaa0f6dfabdbfd6b72/FLAGe0423787f [2022-03-18 21:38:10,677 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 21:38:10,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-1.c [2022-03-18 21:38:10,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1254ed77a/dac4abff826942aaa0f6dfabdbfd6b72/FLAGe0423787f [2022-03-18 21:38:10,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1254ed77a/dac4abff826942aaa0f6dfabdbfd6b72 [2022-03-18 21:38:10,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 21:38:10,692 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-18 21:38:10,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 21:38:10,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 21:38:10,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 21:38:10,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434c7270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10, skipping insertion in model container [2022-03-18 21:38:10,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 21:38:10,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 21:38:10,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-1.c[363,376] [2022-03-18 21:38:10,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 21:38:10,845 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 21:38:10,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/sum_array-1.c[363,376] [2022-03-18 21:38:10,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 21:38:10,865 INFO L208 MainTranslator]: Completed translation [2022-03-18 21:38:10,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10 WrapperNode [2022-03-18 21:38:10,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 21:38:10,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 21:38:10,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 21:38:10,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 21:38:10,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 21:38:10,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 21:38:10,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 21:38:10,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 21:38:10,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (1/1) ... [2022-03-18 21:38:10,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 21:38:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 21:38:10,937 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) [2022-03-18 21:38:10,958 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 [2022-03-18 21:38:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 21:38:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 21:38:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 21:38:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-18 21:38:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 21:38:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 21:38:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 21:38:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 21:38:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 21:38:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-18 21:38:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-18 21:38:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-03-18 21:38:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 21:38:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-18 21:38:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 21:38:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 21:38:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 21:38:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 21:38:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 21:38:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 21:38:11,018 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 21:38:11,019 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 21:38:11,189 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 21:38:11,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 21:38:11,193 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-18 21:38:11,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 09:38:11 BoogieIcfgContainer [2022-03-18 21:38:11,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 21:38:11,194 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-18 21:38:11,195 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-18 21:38:11,204 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-18 21:38:11,206 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 09:38:11" (1/1) ... [2022-03-18 21:38:11,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 18.03 09:38:11 BasicIcfg [2022-03-18 21:38:11,219 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-18 21:38:11,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 21:38:11,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 21:38:11,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 21:38:11,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 09:38:10" (1/4) ... [2022-03-18 21:38:11,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c2063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 09:38:11, skipping insertion in model container [2022-03-18 21:38:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 09:38:10" (2/4) ... [2022-03-18 21:38:11,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c2063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 09:38:11, skipping insertion in model container [2022-03-18 21:38:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 09:38:11" (3/4) ... [2022-03-18 21:38:11,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c2063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 09:38:11, skipping insertion in model container [2022-03-18 21:38:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 18.03 09:38:11" (4/4) ... [2022-03-18 21:38:11,224 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_array-1.cqvasr [2022-03-18 21:38:11,227 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-18 21:38:11,227 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 21:38:11,272 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 21:38:11,278 INFO L340 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=FINITE_AUTOMATA, 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 [2022-03-18 21:38:11,278 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 21:38:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-18 21:38:11,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-18 21:38:11,298 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 21:38:11,298 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 21:38:11,299 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 21:38:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 21:38:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash -369292380, now seen corresponding path program 1 times [2022-03-18 21:38:11,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 21:38:11,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181545209] [2022-03-18 21:38:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 21:38:11,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 21:38:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 21:38:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 21:38:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 21:38:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 21:38:11,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 21:38:11,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181545209] [2022-03-18 21:38:11,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181545209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 21:38:11,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 21:38:11,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-18 21:38:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4878080] [2022-03-18 21:38:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 21:38:11,498 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-18 21:38:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 21:38:11,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-18 21:38:11,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-18 21:38:11,522 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 23 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 21:38:11,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 21:38:11,567 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2022-03-18 21:38:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-18 21:38:11,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-03-18 21:38:11,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 21:38:11,573 INFO L225 Difference]: With dead ends: 52 [2022-03-18 21:38:11,573 INFO L226 Difference]: Without dead ends: 25 [2022-03-18 21:38:11,575 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-18 21:38:11,578 INFO L912 BasicCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-18 21:38:11,579 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 35 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-18 21:38:11,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-03-18 21:38:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-03-18 21:38:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-18 21:38:11,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-03-18 21:38:11,608 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 17 [2022-03-18 21:38:11,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 21:38:11,608 INFO L478 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-03-18 21:38:11,608 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 21:38:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-03-18 21:38:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-18 21:38:11,609 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 21:38:11,610 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 21:38:11,610 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-18 21:38:11,610 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 21:38:11,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 21:38:11,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1278740058, now seen corresponding path program 1 times [2022-03-18 21:38:11,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 21:38:11,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832588841] [2022-03-18 21:38:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 21:38:11,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 21:38:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 21:38:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 21:38:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 21:38:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 21:38:11,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 21:38:11,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832588841] [2022-03-18 21:38:11,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832588841] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 21:38:11,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 21:38:11,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-18 21:38:11,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499677987] [2022-03-18 21:38:11,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 21:38:11,791 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-18 21:38:11,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 21:38:11,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-18 21:38:11,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-18 21:38:11,793 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 21:38:11,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 21:38:11,922 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2022-03-18 21:38:11,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-18 21:38:11,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-03-18 21:38:11,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 21:38:11,924 INFO L225 Difference]: With dead ends: 57 [2022-03-18 21:38:11,924 INFO L226 Difference]: Without dead ends: 35 [2022-03-18 21:38:11,927 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-03-18 21:38:11,928 INFO L912 BasicCegarLoop]: 16 mSDtfsCounter, 47 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-18 21:38:11,929 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 28 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-18 21:38:11,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-03-18 21:38:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2022-03-18 21:38:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-18 21:38:11,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-03-18 21:38:11,946 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 17 [2022-03-18 21:38:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 21:38:11,947 INFO L478 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-03-18 21:38:11,947 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-18 21:38:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-03-18 21:38:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-18 21:38:11,947 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 21:38:11,948 INFO L500 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] [2022-03-18 21:38:11,948 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-18 21:38:11,948 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 21:38:11,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 21:38:11,948 INFO L85 PathProgramCache]: Analyzing trace with hash -869806592, now seen corresponding path program 1 times [2022-03-18 21:38:11,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 21:38:11,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526709493] [2022-03-18 21:38:11,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 21:38:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 21:38:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-18 21:38:11,981 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-18 21:38:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-18 21:38:12,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-18 21:38:12,023 INFO L614 BasicCegarLoop]: Counterexample is feasible [2022-03-18 21:38:12,024 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-18 21:38:12,025 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-18 21:38:12,027 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-18 21:38:12,029 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-18 21:38:12,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 09:38:12 BasicIcfg [2022-03-18 21:38:12,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-18 21:38:12,045 INFO L158 Benchmark]: Toolchain (without parser) took 1352.69ms. Allocated memory is still 194.0MB. Free memory was 143.2MB in the beginning and 105.2MB in the end (delta: 38.1MB). Peak memory consumption was 38.0MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,045 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 21:38:12,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.18ms. Allocated memory is still 194.0MB. Free memory was 143.0MB in the beginning and 170.2MB in the end (delta: -27.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,046 INFO L158 Benchmark]: Boogie Preprocessor took 30.44ms. Allocated memory is still 194.0MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,046 INFO L158 Benchmark]: RCFGBuilder took 297.06ms. Allocated memory is still 194.0MB. Free memory was 168.6MB in the beginning and 156.6MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,046 INFO L158 Benchmark]: IcfgTransformer took 24.58ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,047 INFO L158 Benchmark]: TraceAbstraction took 824.76ms. Allocated memory is still 194.0MB. Free memory was 154.5MB in the beginning and 105.2MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2022-03-18 21:38:12,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 194.0MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 171.18ms. Allocated memory is still 194.0MB. Free memory was 143.0MB in the beginning and 170.2MB in the end (delta: -27.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.44ms. Allocated memory is still 194.0MB. Free memory was 170.2MB in the beginning and 168.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 297.06ms. Allocated memory is still 194.0MB. Free memory was 168.6MB in the beginning and 156.6MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 24.58ms. Allocated memory is still 194.0MB. Free memory was 156.4MB in the beginning and 154.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * TraceAbstraction took 824.76ms. Allocated memory is still 194.0MB. Free memory was 154.5MB in the beginning and 105.2MB in the end (delta: 49.3MB). Peak memory consumption was 49.3MB. 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: 8]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L16] unsigned int M = __VERIFIER_nondet_uint(); [L17] int A[M], B[M], C[M]; [L18] unsigned int i; [L20] i=0 VAL [A={6:0}, B={5:0}, C={7:0}, i=0, M=1] [L20] COND TRUE i