/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=NARROWEST --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/brs5f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:17:57,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:17:57,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:17:57,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:17:57,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:17:57,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:17:57,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:17:57,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:17:57,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:17:57,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:17:57,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:17:57,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:17:57,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:17:57,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:17:57,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:17:57,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:17:57,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:17:57,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:17:57,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:17:57,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:17:57,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:17:57,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:17:57,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:17:57,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:17:57,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:17:57,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:17:57,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:17:57,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:17:57,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:17:57,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:17:57,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:17:57,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:17:57,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:17:57,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:17:57,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:17:57,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:17:57,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:17:57,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:17:57,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:17:57,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:17:57,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:17:57,585 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 02:17:57,651 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:17:57,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:17:57,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:17:57,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:17:57,655 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:17:57,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:17:57,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:17:57,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:17:57,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:17:57,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:17:57,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:17:57,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:17:57,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:17:57,658 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:17:57,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:17:57,658 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:17:57,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:17:57,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:17:57,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:17:57,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:17:57,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:17:57,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:17:57,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:17:57,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:17:57,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:17:57,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:17:57,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:17:57,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:17:57,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:17:57,662 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 02:17:58,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:17:58,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:17:58,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:17:58,202 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:17:58,203 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:17:58,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/brs5f.c [2020-09-25 02:17:58,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361df1535/40ba6b91c5d544ad8080571f870ac724/FLAG274f2f904 [2020-09-25 02:17:58,775 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:17:58,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/brs5f.c [2020-09-25 02:17:58,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361df1535/40ba6b91c5d544ad8080571f870ac724/FLAG274f2f904 [2020-09-25 02:17:59,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/361df1535/40ba6b91c5d544ad8080571f870ac724 [2020-09-25 02:17:59,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:17:59,147 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:17:59,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:17:59,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:17:59,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:17:59,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcfef12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59, skipping insertion in model container [2020-09-25 02:17:59,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:17:59,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:17:59,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:17:59,527 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:17:59,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:17:59,593 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:17:59,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59 WrapperNode [2020-09-25 02:17:59,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:17:59,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:17:59,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:17:59,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:17:59,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (1/1) ... [2020-09-25 02:17:59,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:17:59,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:17:59,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:17:59,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:17:59,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (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 02:17:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:17:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:17:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:17:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 02:17:59,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:17:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:17:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:17:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:17:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:17:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:17:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:17:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:17:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:17:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:18:00,149 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:18:00,150 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-09-25 02:18:00,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:00 BoogieIcfgContainer [2020-09-25 02:18:00,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:18:00,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:18:00,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:18:00,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:18:00,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:17:59" (1/3) ... [2020-09-25 02:18:00,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1559e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:00, skipping insertion in model container [2020-09-25 02:18:00,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:17:59" (2/3) ... [2020-09-25 02:18:00,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1559e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:00, skipping insertion in model container [2020-09-25 02:18:00,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:00" (3/3) ... [2020-09-25 02:18:00,166 INFO L109 eAbstractionObserver]: Analyzing ICFG brs5f.c [2020-09-25 02:18:00,179 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:18:00,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:18:00,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:18:00,265 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:18:00,265 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:18:00,265 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:18:00,266 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:18:00,266 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:18:00,266 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:18:00,266 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:18:00,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:18:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2020-09-25 02:18:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 02:18:00,299 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:00,301 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] [2020-09-25 02:18:00,301 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:00,308 INFO L82 PathProgramCache]: Analyzing trace with hash 221259408, now seen corresponding path program 1 times [2020-09-25 02:18:00,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:00,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673257121] [2020-09-25 02:18:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:00,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 02:18:00,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:18:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 409 [2020-09-25 02:18:00,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 02:18:00,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 02:18:00,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:01,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:01,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:01,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:01,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:18:01,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:01,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:01,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:01,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:01,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 02:18:01,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:01,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:01,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:01,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:01,049 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 02:18:01,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673257121] [2020-09-25 02:18:01,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:01,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 02:18:01,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114481577] [2020-09-25 02:18:01,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 02:18:01,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:01,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 02:18:01,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 02:18:01,081 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 3 states. [2020-09-25 02:18:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:01,304 INFO L93 Difference]: Finished difference Result 101 states and 116 transitions. [2020-09-25 02:18:01,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 02:18:01,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-09-25 02:18:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:01,319 INFO L225 Difference]: With dead ends: 101 [2020-09-25 02:18:01,319 INFO L226 Difference]: Without dead ends: 47 [2020-09-25 02:18:01,324 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 02:18:01,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-09-25 02:18:01,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-09-25 02:18:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-09-25 02:18:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2020-09-25 02:18:01,395 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 30 [2020-09-25 02:18:01,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:01,398 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2020-09-25 02:18:01,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 02:18:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2020-09-25 02:18:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-25 02:18:01,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:01,404 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] [2020-09-25 02:18:01,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:18:01,405 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:01,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:01,405 INFO L82 PathProgramCache]: Analyzing trace with hash -151091841, now seen corresponding path program 1 times [2020-09-25 02:18:01,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:01,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999799051] [2020-09-25 02:18:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:01,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:01,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 02:18:01,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:18:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-09-25 02:18:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:18:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 02:18:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 02:18:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:01,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:01,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:01,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:01,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:18:01,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:01,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:01,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:01,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:01,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:02,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:02,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:18:02,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:18:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:02,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:18:02,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:18:02,005 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 02:18:02,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999799051] [2020-09-25 02:18:02,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:02,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 02:18:02,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946296792] [2020-09-25 02:18:02,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 02:18:02,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:02,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 02:18:02,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:18:02,010 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 5 states. [2020-09-25 02:18:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:02,184 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2020-09-25 02:18:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 02:18:02,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-09-25 02:18:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:02,187 INFO L225 Difference]: With dead ends: 67 [2020-09-25 02:18:02,187 INFO L226 Difference]: Without dead ends: 49 [2020-09-25 02:18:02,188 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 02:18:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-09-25 02:18:02,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-09-25 02:18:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-09-25 02:18:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2020-09-25 02:18:02,199 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 30 [2020-09-25 02:18:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:02,199 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2020-09-25 02:18:02,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 02:18:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2020-09-25 02:18:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-25 02:18:02,201 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:02,202 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] [2020-09-25 02:18:02,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:18:02,202 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:02,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:02,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1707000309, now seen corresponding path program 1 times [2020-09-25 02:18:02,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:02,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43807810] [2020-09-25 02:18:02,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 02:18:02,227 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 02:18:02,227 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 02:18:02,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:18:02,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:18:02 BoogieIcfgContainer [2020-09-25 02:18:02,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:18:02,261 INFO L168 Benchmark]: Toolchain (without parser) took 3118.55 ms. Allocated memory was 107.0 MB in the beginning and 185.6 MB in the end (delta: 78.6 MB). Free memory was 72.2 MB in the beginning and 97.9 MB in the end (delta: -25.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,262 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 107.0 MB. Free memory was 89.7 MB in the beginning and 89.5 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.40 ms. Allocated memory was 107.0 MB in the beginning and 123.2 MB in the end (delta: 16.3 MB). Free memory was 71.6 MB in the beginning and 99.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,265 INFO L168 Benchmark]: Boogie Preprocessor took 123.92 ms. Allocated memory was 123.2 MB in the beginning and 159.4 MB in the end (delta: 36.2 MB). Free memory was 99.1 MB in the beginning and 144.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 361.3 kB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,266 INFO L168 Benchmark]: RCFGBuilder took 437.68 ms. Allocated memory is still 159.4 MB. Free memory was 144.2 MB in the beginning and 125.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,267 INFO L168 Benchmark]: TraceAbstraction took 2100.03 ms. Allocated memory was 159.4 MB in the beginning and 185.6 MB in the end (delta: 26.2 MB). Free memory was 125.4 MB in the beginning and 97.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 53.7 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:02,272 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 107.0 MB. Free memory was 89.7 MB in the beginning and 89.5 MB in the end (delta: 105.1 kB). Peak memory consumption was 105.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 445.40 ms. Allocated memory was 107.0 MB in the beginning and 123.2 MB in the end (delta: 16.3 MB). Free memory was 71.6 MB in the beginning and 99.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.92 ms. Allocated memory was 123.2 MB in the beginning and 159.4 MB in the end (delta: 36.2 MB). Free memory was 99.1 MB in the beginning and 144.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 361.3 kB. Max. memory is 7.1 GB. * RCFGBuilder took 437.68 ms. Allocated memory is still 159.4 MB. Free memory was 144.2 MB in the beginning and 125.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2100.03 ms. Allocated memory was 159.4 MB in the beginning and 185.6 MB in the end (delta: 26.2 MB). Free memory was 125.4 MB in the beginning and 97.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 53.7 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] i=0 [L29] COND TRUE i