/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/array-fpi/res2of.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 14:39:28,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 14:39:28,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 14:39:28,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 14:39:28,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 14:39:28,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 14:39:28,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 14:39:28,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 14:39:28,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 14:39:28,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 14:39:28,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 14:39:28,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 14:39:28,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 14:39:28,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 14:39:28,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 14:39:28,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 14:39:28,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 14:39:28,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 14:39:28,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 14:39:28,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 14:39:28,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 14:39:28,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 14:39:28,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 14:39:28,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 14:39:28,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 14:39:28,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 14:39:28,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 14:39:28,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 14:39:28,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 14:39:28,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 14:39:28,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 14:39:28,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 14:39:28,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 14:39:28,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 14:39:28,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 14:39:28,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 14:39:29,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 14:39:29,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 14:39:29,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 14:39:29,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 14:39:29,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 14:39:29,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 14:39:29,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 14:39:29,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 14:39:29,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 14:39:29,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 14:39:29,068 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 14:39:29,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 14:39:29,068 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 14:39:29,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 14:39:29,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 14:39:29,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 14:39:29,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 14:39:29,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 14:39:29,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 14:39:29,070 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 14:39:29,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 14:39:29,071 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 14:39:29,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 14:39:29,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 14:39:29,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 14:39:29,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 14:39:29,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 14:39:29,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 14:39:29,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 14:39:29,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 14:39:29,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 14:39:29,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 14:39:29,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 14:39:29,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 14:39:29,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 14:39:29,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 14:39:29,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 14:39:29,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 14:39:29,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 14:39:29,470 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 14:39:29,471 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 14:39:29,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res2of.c [2020-10-27 14:39:29,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/652ea71b2/478d7e5cdf7043168e9499e816a7b7b8/FLAGdbc76e84f [2020-10-27 14:39:30,248 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 14:39:30,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res2of.c [2020-10-27 14:39:30,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/652ea71b2/478d7e5cdf7043168e9499e816a7b7b8/FLAGdbc76e84f [2020-10-27 14:39:30,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/652ea71b2/478d7e5cdf7043168e9499e816a7b7b8 [2020-10-27 14:39:30,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 14:39:30,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 14:39:30,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 14:39:30,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 14:39:30,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 14:39:30,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b379209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30, skipping insertion in model container [2020-10-27 14:39:30,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 14:39:30,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 14:39:30,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:39:30,855 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 14:39:30,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:39:30,899 INFO L208 MainTranslator]: Completed translation [2020-10-27 14:39:30,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30 WrapperNode [2020-10-27 14:39:30,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 14:39:30,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 14:39:30,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 14:39:30,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 14:39:30,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... [2020-10-27 14:39:30,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 14:39:30,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 14:39:30,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 14:39:30,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 14:39:30,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 14:39:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 14:39:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 14:39:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 14:39:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 14:39:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 14:39:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 14:39:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 14:39:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 14:39:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 14:39:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 14:39:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 14:39:31,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 14:39:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 14:39:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 14:39:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 14:39:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 14:39:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 14:39:31,502 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 14:39:31,503 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 14:39:31,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:39:31 BoogieIcfgContainer [2020-10-27 14:39:31,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 14:39:31,507 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 14:39:31,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 14:39:31,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 14:39:31,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:39:30" (1/3) ... [2020-10-27 14:39:31,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d1fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:39:31, skipping insertion in model container [2020-10-27 14:39:31,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:30" (2/3) ... [2020-10-27 14:39:31,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1d1fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:39:31, skipping insertion in model container [2020-10-27 14:39:31,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:39:31" (3/3) ... [2020-10-27 14:39:31,515 INFO L111 eAbstractionObserver]: Analyzing ICFG res2of.c [2020-10-27 14:39:31,530 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 14:39:31,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 14:39:31,549 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 14:39:31,586 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 14:39:31,586 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 14:39:31,586 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 14:39:31,587 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 14:39:31,587 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 14:39:31,587 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 14:39:31,587 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 14:39:31,587 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 14:39:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-27 14:39:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 14:39:31,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:31,616 INFO L422 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] [2020-10-27 14:39:31,616 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:31,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1686177906, now seen corresponding path program 1 times [2020-10-27 14:39:31,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:31,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [255319726] [2020-10-27 14:39:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:31,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:31,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:31,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:32,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:32,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:32,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 14:39:35,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 14:39:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3643 [2020-10-27 14:39:35,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:35,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 14:39:35,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:35,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 14:39:35,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:39:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:35,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:39:35,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 14:39:35,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:39:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:35,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:39:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:39:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:39:35,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 14:39:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:39:35,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [255319726] [2020-10-27 14:39:35,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:39:35,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 14:39:35,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509672874] [2020-10-27 14:39:35,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 14:39:35,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:39:35,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 14:39:35,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 14:39:35,642 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2020-10-27 14:39:35,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:39:35,808 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2020-10-27 14:39:35,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 14:39:35,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-10-27 14:39:35,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:39:35,833 INFO L225 Difference]: With dead ends: 81 [2020-10-27 14:39:35,834 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 14:39:35,839 INFO L677 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 [2020-10-27 14:39:35,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 14:39:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 14:39:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 14:39:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2020-10-27 14:39:35,900 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 30 [2020-10-27 14:39:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:39:35,901 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2020-10-27 14:39:35,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 14:39:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2020-10-27 14:39:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 14:39:35,903 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:35,904 INFO L422 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] [2020-10-27 14:39:35,904 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 14:39:35,905 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:35,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:35,909 INFO L82 PathProgramCache]: Analyzing trace with hash -961350168, now seen corresponding path program 1 times [2020-10-27 14:39:35,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:35,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881365657] [2020-10-27 14:39:35,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:35,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:36,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:36,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:36,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:37,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 14:39:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 14:39:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 14:39:40,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 14:39:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 14:39:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 14:39:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 14:39:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:39:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:41,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:39:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 14:39:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 14:39:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:39:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:41,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:41,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:41,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:39:41,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:41,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 14:39:41,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:39:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:41,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:39:41,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:39:41,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881365657] [2020-10-27 14:39:41,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:39:41,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 14:39:41,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716864701] [2020-10-27 14:39:41,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 14:39:41,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:39:41,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 14:39:41,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 14:39:41,149 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand 5 states. [2020-10-27 14:39:41,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:39:41,429 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2020-10-27 14:39:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 14:39:41,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-27 14:39:41,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:39:41,432 INFO L225 Difference]: With dead ends: 65 [2020-10-27 14:39:41,432 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 14:39:41,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 14:39:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 14:39:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 14:39:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 14:39:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-27 14:39:41,458 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 30 [2020-10-27 14:39:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:39:41,460 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-27 14:39:41,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 14:39:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-27 14:39:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 14:39:41,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:41,462 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:39:41,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 14:39:41,463 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:41,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1706440668, now seen corresponding path program 1 times [2020-10-27 14:39:41,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:41,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387942175] [2020-10-27 14:39:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 14:39:41,534 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 14:39:41,534 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 14:39:41,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 14:39:41,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:39:41 BoogieIcfgContainer [2020-10-27 14:39:41,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 14:39:41,575 INFO L168 Benchmark]: Toolchain (without parser) took 10948.59 ms. Allocated memory was 161.5 MB in the beginning and 287.3 MB in the end (delta: 125.8 MB). Free memory was 136.3 MB in the beginning and 221.8 MB in the end (delta: -85.5 MB). Peak memory consumption was 41.1 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:41,576 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 161.5 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 14:39:41,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.41 ms. Allocated memory is still 161.5 MB. Free memory was 135.7 MB in the beginning and 125.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:41,579 INFO L168 Benchmark]: Boogie Preprocessor took 45.29 ms. Allocated memory is still 161.5 MB. Free memory was 125.6 MB in the beginning and 123.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:41,580 INFO L168 Benchmark]: RCFGBuilder took 557.78 ms. Allocated memory is still 161.5 MB. Free memory was 123.8 MB in the beginning and 139.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:41,582 INFO L168 Benchmark]: TraceAbstraction took 10062.54 ms. Allocated memory was 161.5 MB in the beginning and 287.3 MB in the end (delta: 125.8 MB). Free memory was 139.1 MB in the beginning and 221.8 MB in the end (delta: -82.6 MB). Peak memory consumption was 44.2 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:41,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 161.5 MB. Free memory is still 133.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 268.41 ms. Allocated memory is still 161.5 MB. Free memory was 135.7 MB in the beginning and 125.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.29 ms. Allocated memory is still 161.5 MB. Free memory was 125.6 MB in the beginning and 123.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 557.78 ms. Allocated memory is still 161.5 MB. Free memory was 123.8 MB in the beginning and 139.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10062.54 ms. Allocated memory was 161.5 MB in the beginning and 287.3 MB in the end (delta: 125.8 MB). Free memory was 139.1 MB in the beginning and 221.8 MB in the end (delta: -82.6 MB). Peak memory consumption was 44.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 0 [L34] i=0 [L34] COND TRUE i