/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/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:26:24,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:26:24,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:26:24,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:26:24,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:26:24,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:26:24,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:26:24,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:26:24,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:26:24,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:26:24,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:26:24,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:26:24,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:26:24,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:26:24,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:26:24,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:26:24,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:26:24,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:26:24,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:26:24,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:26:24,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:26:24,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:26:24,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:26:24,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:26:24,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:26:24,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:26:24,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:26:24,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:26:24,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:26:24,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:26:24,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:26:24,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:26:24,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:26:24,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:26:24,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:26:24,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:26:24,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:26:24,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:26:24,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:26:24,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:26:24,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:26:24,350 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 03:26:24,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:26:24,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:26:24,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:26:24,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:26:24,398 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:26:24,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:26:24,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:26:24,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:26:24,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:26:24,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:26:24,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:26:24,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:26:24,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:26:24,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:26:24,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:26:24,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:26:24,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:26:24,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:26:24,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:26:24,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:26:24,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:26:24,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:26:24,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:26:24,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:26:24,405 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 03:26:24,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:26:24,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:26:24,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:26:24,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:26:24,899 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:26:24,900 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-25 03:26:24,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8daa60b5f/ee264f1660634c2db46e070e7d3789b2/FLAG54692ce71 [2020-09-25 03:26:25,581 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:26:25,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-25 03:26:25,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8daa60b5f/ee264f1660634c2db46e070e7d3789b2/FLAG54692ce71 [2020-09-25 03:26:25,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8daa60b5f/ee264f1660634c2db46e070e7d3789b2 [2020-09-25 03:26:25,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:26:25,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:26:25,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:25,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:26:25,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:26:25,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:25" (1/1) ... [2020-09-25 03:26:25,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7730d90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:25, skipping insertion in model container [2020-09-25 03:26:25,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:25" (1/1) ... [2020-09-25 03:26:25,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:26:25,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:26:26,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:26,222 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:26:26,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:26,346 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:26:26,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26 WrapperNode [2020-09-25 03:26:26,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:26,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:26:26,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:26:26,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:26:26,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (1/1) ... [2020-09-25 03:26:26,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:26:26,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:26:26,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:26:26,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:26:26,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (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 03:26:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:26:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:26:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:26:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 03:26:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:26:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:26:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:26:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:26:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 03:26:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:26:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:26:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:26:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:26:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:26:26,856 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:26:26,856 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 03:26:26,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:26 BoogieIcfgContainer [2020-09-25 03:26:26,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:26:26,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:26:26,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:26:26,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:26:26,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:26:25" (1/3) ... [2020-09-25 03:26:26,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566cfe45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:26, skipping insertion in model container [2020-09-25 03:26:26,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:26" (2/3) ... [2020-09-25 03:26:26,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566cfe45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:26, skipping insertion in model container [2020-09-25 03:26:26,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:26" (3/3) ... [2020-09-25 03:26:26,875 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-25 03:26:26,884 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:26:26,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:26:26,917 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:26:26,947 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:26:26,947 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:26:26,947 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:26:26,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:26:26,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:26:26,948 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:26:26,948 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:26:26,948 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:26:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-25 03:26:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 03:26:26,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:26,981 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] [2020-09-25 03:26:26,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:26,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:26,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-25 03:26:26,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:26,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901794611] [2020-09-25 03:26:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:27,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:27,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:27,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:27,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 03:26:27,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:26:27,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-09-25 03:26:27,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:26:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:26:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:27,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:27,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:27,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:27,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:27,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 03:26:27,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:27,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:27,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:27,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:27,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 03:26:27,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:27,730 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 03:26:27,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901794611] [2020-09-25 03:26:27,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:27,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:26:27,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425693774] [2020-09-25 03:26:27,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:26:27,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:27,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:26:27,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:26:27,765 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-25 03:26:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:27,975 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-25 03:26:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:26:27,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-25 03:26:27,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:27,989 INFO L225 Difference]: With dead ends: 125 [2020-09-25 03:26:27,990 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 03:26:27,995 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 03:26:28,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 03:26:28,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 03:26:28,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 03:26:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 03:26:28,054 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-25 03:26:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:28,055 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 03:26:28,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:26:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 03:26:28,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 03:26:28,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:28,058 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] [2020-09-25 03:26:28,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:26:28,058 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:28,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:28,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-25 03:26:28,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:28,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743481280] [2020-09-25 03:26:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:28,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:28,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:28,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:29,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 03:26:29,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:26:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1109 [2020-09-25 03:26:29,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:26:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:26:29,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:26:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:29,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:29,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:29,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:29,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:29,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:26:29,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:29,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:29,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:29,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:29,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:29,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:29,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:29,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:26:29,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:26:29,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:26:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:29,271 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 03:26:29,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743481280] [2020-09-25 03:26:29,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:29,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:26:29,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006924767] [2020-09-25 03:26:29,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:26:29,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:29,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:26:29,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:26:29,275 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-25 03:26:29,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:29,508 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2020-09-25 03:26:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:26:29,509 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-25 03:26:29,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:29,511 INFO L225 Difference]: With dead ends: 100 [2020-09-25 03:26:29,511 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 03:26:29,513 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 03:26:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 03:26:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-09-25 03:26:29,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-25 03:26:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-25 03:26:29,527 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-25 03:26:29,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:29,528 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-25 03:26:29,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:26:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-25 03:26:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-25 03:26:29,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:29,531 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] [2020-09-25 03:26:29,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:26:29,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:29,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:29,532 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-25 03:26:29,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:29,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644440006] [2020-09-25 03:26:29,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:26:29,576 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:26:29,577 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:26:29,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:26:29,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:26:29 BoogieIcfgContainer [2020-09-25 03:26:29,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:26:29,621 INFO L168 Benchmark]: Toolchain (without parser) took 3689.92 ms. Allocated memory was 140.5 MB in the beginning and 234.9 MB in the end (delta: 94.4 MB). Free memory was 103.1 MB in the beginning and 92.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,623 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.93 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 182.1 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,626 INFO L168 Benchmark]: Boogie Preprocessor took 45.96 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,627 INFO L168 Benchmark]: RCFGBuilder took 471.44 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 159.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,629 INFO L168 Benchmark]: TraceAbstraction took 2748.68 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 159.6 MB in the beginning and 92.6 MB in the end (delta: 67.0 MB). Peak memory consumption was 98.5 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:29,644 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 413.93 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 182.1 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.96 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 179.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 471.44 ms. Allocated memory is still 203.4 MB. Free memory was 179.8 MB in the beginning and 159.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2748.68 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 159.6 MB in the beginning and 92.6 MB in the end (delta: 67.0 MB). Peak memory consumption was 98.5 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] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i