/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/res1f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 11:34:05,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 11:34:05,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 11:34:05,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 11:34:05,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 11:34:05,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 11:34:05,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 11:34:05,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 11:34:05,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 11:34:05,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 11:34:05,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 11:34:05,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 11:34:05,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 11:34:05,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 11:34:05,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 11:34:05,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 11:34:05,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 11:34:05,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 11:34:05,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 11:34:05,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 11:34:05,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 11:34:05,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 11:34:05,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 11:34:05,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 11:34:05,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 11:34:05,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 11:34:05,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 11:34:05,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 11:34:05,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 11:34:05,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 11:34:05,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 11:34:05,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 11:34:05,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 11:34:05,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 11:34:05,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 11:34:05,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 11:34:05,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 11:34:05,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 11:34:05,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 11:34:05,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 11:34:05,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 11:34:05,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 11:34:05,969 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 11:34:05,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 11:34:05,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 11:34:05,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 11:34:05,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 11:34:05,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 11:34:05,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 11:34:05,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 11:34:05,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 11:34:05,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 11:34:05,977 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 11:34:05,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 11:34:05,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:34:05,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 11:34:05,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 11:34:05,980 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 11:34:05,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 11:34:06,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 11:34:06,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 11:34:06,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 11:34:06,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 11:34:06,189 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 11:34:06,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1f.c [2022-01-31 11:34:06,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f9764af/ce4cb56dcafd41f389afb5c738995156/FLAG32721a2b3 [2022-01-31 11:34:06,618 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 11:34:06,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/res1f.c [2022-01-31 11:34:06,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f9764af/ce4cb56dcafd41f389afb5c738995156/FLAG32721a2b3 [2022-01-31 11:34:06,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f9764af/ce4cb56dcafd41f389afb5c738995156 [2022-01-31 11:34:06,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 11:34:06,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 11:34:06,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 11:34:06,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 11:34:06,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 11:34:06,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6a5956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06, skipping insertion in model container [2022-01-31 11:34:06,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 11:34:06,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 11:34:06,785 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/res1f.c[588,601] [2022-01-31 11:34:06,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:34:06,818 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 11:34:06,828 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/res1f.c[588,601] [2022-01-31 11:34:06,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 11:34:06,845 INFO L208 MainTranslator]: Completed translation [2022-01-31 11:34:06,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06 WrapperNode [2022-01-31 11:34:06,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 11:34:06,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 11:34:06,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 11:34:06,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 11:34:06,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 11:34:06,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 11:34:06,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 11:34:06,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 11:34:06,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (1/1) ... [2022-01-31 11:34:06,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 11:34:06,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 11:34:06,908 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 11:34:06,913 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 11:34:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 11:34:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 11:34:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 11:34:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 11:34:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 11:34:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 11:34:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 11:34:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 11:34:06,995 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 11:34:06,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 11:34:07,123 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 11:34:07,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 11:34:07,141 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-31 11:34:07,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:34:07 BoogieIcfgContainer [2022-01-31 11:34:07,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 11:34:07,157 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 11:34:07,157 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 11:34:07,158 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 11:34:07,161 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:34:07" (1/1) ... [2022-01-31 11:34:07,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:34:07 BasicIcfg [2022-01-31 11:34:07,194 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 11:34:07,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 11:34:07,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 11:34:07,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 11:34:07,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:34:06" (1/4) ... [2022-01-31 11:34:07,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce9995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:34:07, skipping insertion in model container [2022-01-31 11:34:07,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:34:06" (2/4) ... [2022-01-31 11:34:07,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce9995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:34:07, skipping insertion in model container [2022-01-31 11:34:07,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:34:07" (3/4) ... [2022-01-31 11:34:07,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce9995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:34:07, skipping insertion in model container [2022-01-31 11:34:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 11:34:07" (4/4) ... [2022-01-31 11:34:07,200 INFO L111 eAbstractionObserver]: Analyzing ICFG res1f.cJordan [2022-01-31 11:34:07,217 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 11:34:07,217 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 11:34:07,268 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 11:34:07,274 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 11:34:07,274 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 11:34:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 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 11:34:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-31 11:34:07,291 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:34:07,291 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] [2022-01-31 11:34:07,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:34:07,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:34:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 334130708, now seen corresponding path program 1 times [2022-01-31 11:34:07,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:34:07,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289485448] [2022-01-31 11:34:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:34:07,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:34:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:34:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:34:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,534 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 11:34:07,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:34:07,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289485448] [2022-01-31 11:34:07,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289485448] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:34:07,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:34:07,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 11:34:07,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358622576] [2022-01-31 11:34:07,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:34:07,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 11:34:07,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:34:07,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 11:34:07,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 11:34:07,574 INFO L87 Difference]: Start difference. First operand has 37 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 28 states have internal predecessors, (39), 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 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 11:34:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:34:07,647 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-01-31 11:34:07,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 11:34:07,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 25 [2022-01-31 11:34:07,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:34:07,657 INFO L225 Difference]: With dead ends: 37 [2022-01-31 11:34:07,657 INFO L226 Difference]: Without dead ends: 30 [2022-01-31 11:34:07,659 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 11:34:07,666 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 8 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 11:34:07,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 45 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 11:34:07,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-01-31 11:34:07,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-01-31 11:34:07,695 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 11:34:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-01-31 11:34:07,696 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2022-01-31 11:34:07,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:34:07,697 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-01-31 11:34:07,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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 11:34:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-01-31 11:34:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-01-31 11:34:07,698 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:34:07,698 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] [2022-01-31 11:34:07,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 11:34:07,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:34:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:34:07,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1527605231, now seen corresponding path program 1 times [2022-01-31 11:34:07,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:34:07,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170360529] [2022-01-31 11:34:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:34:07,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:34:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 11:34:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-01-31 11:34:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 11:34:07,829 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 11:34:07,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 11:34:07,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170360529] [2022-01-31 11:34:07,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170360529] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 11:34:07,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 11:34:07,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 11:34:07,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043563254] [2022-01-31 11:34:07,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 11:34:07,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 11:34:07,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 11:34:07,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 11:34:07,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 11:34:07,833 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 11:34:07,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 11:34:07,945 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-01-31 11:34:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 11:34:07,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 25 [2022-01-31 11:34:07,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 11:34:07,948 INFO L225 Difference]: With dead ends: 38 [2022-01-31 11:34:07,948 INFO L226 Difference]: Without dead ends: 38 [2022-01-31 11:34:07,949 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 11:34:07,950 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 39 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 11:34:07,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 26 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 11:34:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-31 11:34:07,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2022-01-31 11:34:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 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 11:34:07,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-01-31 11:34:07,956 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 25 [2022-01-31 11:34:07,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 11:34:07,956 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-01-31 11:34:07,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 11:34:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-01-31 11:34:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-01-31 11:34:07,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 11:34:07,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 11:34:07,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 11:34:07,958 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 11:34:07,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 11:34:07,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1782587353, now seen corresponding path program 1 times [2022-01-31 11:34:07,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 11:34:07,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591705925] [2022-01-31 11:34:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 11:34:07,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 11:34:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:34:08,074 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-31 11:34:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-31 11:34:08,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-31 11:34:08,161 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-31 11:34:08,162 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 11:34:08,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-31 11:34:08,166 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-31 11:34:08,169 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 11:34:08,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:34:08 BasicIcfg [2022-01-31 11:34:08,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 11:34:08,197 INFO L158 Benchmark]: Toolchain (without parser) took 1549.46ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 143.1MB in the beginning and 214.0MB in the end (delta: -70.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 11:34:08,198 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 11:34:08,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.67ms. Allocated memory is still 196.1MB. Free memory was 142.9MB in the beginning and 168.1MB in the end (delta: -25.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. [2022-01-31 11:34:08,199 INFO L158 Benchmark]: Boogie Preprocessor took 32.73ms. Allocated memory is still 196.1MB. Free memory was 168.1MB in the beginning and 166.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 11:34:08,199 INFO L158 Benchmark]: RCFGBuilder took 276.59ms. Allocated memory is still 196.1MB. Free memory was 166.4MB in the beginning and 154.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-31 11:34:08,200 INFO L158 Benchmark]: IcfgTransformer took 37.43ms. Allocated memory is still 196.1MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-31 11:34:08,200 INFO L158 Benchmark]: TraceAbstraction took 1000.99ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 152.4MB in the beginning and 214.0MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 11:34:08,202 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 196.1MB. Free memory is still 159.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.67ms. Allocated memory is still 196.1MB. Free memory was 142.9MB in the beginning and 168.1MB in the end (delta: -25.2MB). Peak memory consumption was 12.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.73ms. Allocated memory is still 196.1MB. Free memory was 168.1MB in the beginning and 166.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 276.59ms. Allocated memory is still 196.1MB. Free memory was 166.4MB in the beginning and 154.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgTransformer took 37.43ms. Allocated memory is still 196.1MB. Free memory was 154.5MB in the beginning and 153.0MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1000.99ms. Allocated memory was 196.1MB in the beginning and 249.6MB in the end (delta: 53.5MB). Free memory was 152.4MB in the beginning and 214.0MB in the end (delta: -61.6MB). There was no memory consumed. 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); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [\old(N)=0, a={-3:0}, b={-2:0}, i=0, N=1, sum={5:0}] [L33] COND TRUE i