/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s52iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:26:18,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:26:18,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:26:18,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:26:18,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:26:18,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:26:18,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:26:18,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:26:18,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:26:18,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:26:18,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:26:18,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:26:18,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:26:18,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:26:18,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:26:18,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:26:18,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:26:18,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:26:18,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:26:18,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:26:18,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:26:18,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:26:18,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:26:18,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:26:18,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:26:18,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:26:18,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:26:18,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:26:18,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:26:18,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:26:18,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:26:18,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:26:18,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:26:18,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:26:18,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:26:18,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:26:18,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:26:18,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:26:18,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:26:18,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:26:18,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:26:18,409 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 [2020-09-25 03:26:18,457 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:26:18,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:26:18,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:26:18,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:26:18,460 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:26:18,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:26:18,461 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:26:18,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:26:18,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:26:18,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:26:18,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:26:18,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:26:18,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:26:18,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:26:18,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:26:18,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:26:18,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:26:18,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:26:18,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:26:18,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:26:18,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:26:18,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:26:18,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:26:18,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:26:18,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:26:18,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:26:18,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:26:18,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:26:18,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:26:18,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:26:18,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:26:18,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:26:18,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:26:18,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:26:18,940 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:26:18,941 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-25 03:26:19,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7a40100/13991c6e528644258353cc400f647e6f/FLAG437318ae4 [2020-09-25 03:26:19,599 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:26:19,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-25 03:26:19,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7a40100/13991c6e528644258353cc400f647e6f/FLAG437318ae4 [2020-09-25 03:26:19,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da7a40100/13991c6e528644258353cc400f647e6f [2020-09-25 03:26:19,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:26:19,964 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:26:19,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:19,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:26:19,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:26:19,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:19" (1/1) ... [2020-09-25 03:26:19,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d064956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:19, skipping insertion in model container [2020-09-25 03:26:19,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:19" (1/1) ... [2020-09-25 03:26:19,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:26:20,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:26:20,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:20,252 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:26:20,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:20,392 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:26:20,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20 WrapperNode [2020-09-25 03:26:20,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:20,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:26:20,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:26:20,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:26:20,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (1/1) ... [2020-09-25 03:26:20,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:26:20,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:26:20,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:26:20,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:26:20,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (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 [2020-09-25 03:26:20,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:26:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:26:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:26:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 03:26:20,534 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:26:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:26:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:26:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:26:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 03:26:20,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:26:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:26:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:26:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:26:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:26:20,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:26:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:26:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:26:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:26:20,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:26:20,965 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:26:20,966 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 03:26:20,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:20 BoogieIcfgContainer [2020-09-25 03:26:20,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:26:20,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:26:20,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:26:20,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:26:20,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:26:19" (1/3) ... [2020-09-25 03:26:20,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9e78b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:20, skipping insertion in model container [2020-09-25 03:26:20,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:20" (2/3) ... [2020-09-25 03:26:20,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9e78b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:20, skipping insertion in model container [2020-09-25 03:26:20,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:20" (3/3) ... [2020-09-25 03:26:20,982 INFO L109 eAbstractionObserver]: Analyzing ICFG s52iff.c [2020-09-25 03:26:20,993 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:26:21,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:26:21,027 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:26:21,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:26:21,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:26:21,058 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:26:21,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:26:21,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:26:21,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:26:21,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:26:21,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:26:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-09-25 03:26:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 03:26:21,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:21,094 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] [2020-09-25 03:26:21,094 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:21,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:21,102 INFO L82 PathProgramCache]: Analyzing trace with hash 350973390, now seen corresponding path program 1 times [2020-09-25 03:26:21,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:21,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73778535] [2020-09-25 03:26:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:21,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:26:21,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:26:21,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-09-25 03:26:21,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 03:26:21,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:26:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:21,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:21,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:21,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:26:21,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:21,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:21,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:21,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:26:21,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:21,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:21,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73778535] [2020-09-25 03:26:21,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:21,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:26:21,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502536503] [2020-09-25 03:26:21,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:26:21,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:21,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:26:21,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:26:21,815 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2020-09-25 03:26:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:22,061 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2020-09-25 03:26:22,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:26:22,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 03:26:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:22,076 INFO L225 Difference]: With dead ends: 143 [2020-09-25 03:26:22,077 INFO L226 Difference]: Without dead ends: 68 [2020-09-25 03:26:22,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:26:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-25 03:26:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-09-25 03:26:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 03:26:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2020-09-25 03:26:22,144 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 33 [2020-09-25 03:26:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:22,145 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2020-09-25 03:26:22,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:26:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2020-09-25 03:26:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 03:26:22,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:22,147 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] [2020-09-25 03:26:22,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:26:22,148 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:22,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:22,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1688115303, now seen corresponding path program 1 times [2020-09-25 03:26:22,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:22,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201923264] [2020-09-25 03:26:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:22,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:22,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:22,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:22,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:26:22,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:26:22,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 806 [2020-09-25 03:26:22,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:26:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:26:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:26:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:23,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:23,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:26:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:23,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:23,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:26:23,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:26:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:26:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:23,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201923264] [2020-09-25 03:26:23,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:23,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:26:23,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516892934] [2020-09-25 03:26:23,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:26:23,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:23,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:26:23,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:26:23,107 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 5 states. [2020-09-25 03:26:23,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:23,396 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2020-09-25 03:26:23,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:26:23,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 03:26:23,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:23,399 INFO L225 Difference]: With dead ends: 111 [2020-09-25 03:26:23,400 INFO L226 Difference]: Without dead ends: 71 [2020-09-25 03:26:23,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:26:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-25 03:26:23,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-09-25 03:26:23,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-25 03:26:23,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2020-09-25 03:26:23,426 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 33 [2020-09-25 03:26:23,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:23,426 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2020-09-25 03:26:23,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:26:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2020-09-25 03:26:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-25 03:26:23,434 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:23,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:26:23,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:26:23,436 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:23,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:23,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1790069826, now seen corresponding path program 1 times [2020-09-25 03:26:23,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:23,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228018613] [2020-09-25 03:26:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:26:23,483 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:26:23,483 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:26:23,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:26:23,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:26:23 BoogieIcfgContainer [2020-09-25 03:26:23,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:26:23,533 INFO L168 Benchmark]: Toolchain (without parser) took 3568.65 ms. Allocated memory was 148.4 MB in the beginning and 232.3 MB in the end (delta: 83.9 MB). Free memory was 103.8 MB in the beginning and 127.5 MB in the end (delta: -23.7 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,535 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.69 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 184.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,538 INFO L168 Benchmark]: Boogie Preprocessor took 51.62 ms. Allocated memory is still 205.5 MB. Free memory was 184.4 MB in the beginning and 182.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,539 INFO L168 Benchmark]: RCFGBuilder took 524.61 ms. Allocated memory is still 205.5 MB. Free memory was 182.1 MB in the beginning and 160.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,542 INFO L168 Benchmark]: TraceAbstraction took 2553.91 ms. Allocated memory was 205.5 MB in the beginning and 232.3 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 127.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:23,559 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 429.69 ms. Allocated memory was 148.4 MB in the beginning and 205.5 MB in the end (delta: 57.1 MB). Free memory was 103.1 MB in the beginning and 184.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.62 ms. Allocated memory is still 205.5 MB. Free memory was 184.4 MB in the beginning and 182.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 524.61 ms. Allocated memory is still 205.5 MB. Free memory was 182.1 MB in the beginning and 160.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2553.91 ms. Allocated memory was 205.5 MB in the beginning and 232.3 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 127.5 MB in the end (delta: 32.7 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i