/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 interpolation-heuristic=FIRST --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/s1liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:09:49,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:09:49,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:09:49,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:09:49,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:09:49,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:09:49,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:09:49,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:09:49,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:09:49,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:09:49,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:09:49,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:09:49,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:09:49,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:09:49,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:09:49,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:09:49,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:09:49,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:09:49,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:09:49,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:09:49,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:09:49,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:09:49,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:09:49,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:09:49,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:09:49,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:09:49,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:09:49,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:09:49,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:09:49,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:09:49,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:09:49,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:09:49,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:09:49,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:09:49,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:09:49,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:09:49,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:09:49,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:09:49,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:09:49,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:09:49,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:09:49,763 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 [2020-09-24 16:09:49,790 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:09:49,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:09:49,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:09:49,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:09:49,796 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:09:49,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:09:49,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:09:49,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:09:49,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:09:49,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:09:49,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:09:49,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:09:49,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:09:49,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:09:49,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:09:49,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:09:49,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:09:49,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:09:49,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:09:49,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:09:49,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:09:49,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:09:49,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:09:49,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:09:49,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:09:49,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:09:49,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:09:49,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:09:49,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:09:49,808 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:09:50,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:09:50,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:09:50,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:09:50,321 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:09:50,322 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:09:50,323 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s1liff.c [2020-09-24 16:09:50,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6ac7f5b2/78bc9580a52d4aa5ac5ceffb51616fde/FLAG9c3a31df2 [2020-09-24 16:09:50,971 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:09:50,972 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s1liff.c [2020-09-24 16:09:50,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6ac7f5b2/78bc9580a52d4aa5ac5ceffb51616fde/FLAG9c3a31df2 [2020-09-24 16:09:51,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6ac7f5b2/78bc9580a52d4aa5ac5ceffb51616fde [2020-09-24 16:09:51,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:09:51,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:09:51,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:51,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:09:51,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:09:51,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa297b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51, skipping insertion in model container [2020-09-24 16:09:51,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:09:51,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:09:51,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:09:51,634 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:09:51,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:09:51,677 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:09:51,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51 WrapperNode [2020-09-24 16:09:51,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:09:51,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:09:51,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:09:51,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:09:51,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (1/1) ... [2020-09-24 16:09:51,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:09:51,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:09:51,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:09:51,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:09:51,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (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 [2020-09-24 16:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 16:09:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 16:09:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 16:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 16:09:51,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 16:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:09:51,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:09:51,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:09:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:09:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:09:51,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:09:52,227 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:09:52,228 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-24 16:09:52,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:09:52 BoogieIcfgContainer [2020-09-24 16:09:52,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:09:52,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:09:52,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:09:52,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:09:52,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:09:51" (1/3) ... [2020-09-24 16:09:52,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e50863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:09:52, skipping insertion in model container [2020-09-24 16:09:52,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:51" (2/3) ... [2020-09-24 16:09:52,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e50863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:09:52, skipping insertion in model container [2020-09-24 16:09:52,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:09:52" (3/3) ... [2020-09-24 16:09:52,245 INFO L109 eAbstractionObserver]: Analyzing ICFG s1liff.c [2020-09-24 16:09:52,258 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:09:52,270 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:09:52,294 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:09:52,328 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:09:52,328 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:09:52,329 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:09:52,329 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:09:52,329 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:09:52,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:09:52,329 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:09:52,330 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:09:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 16:09:52,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:09:52,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:09:52,368 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] [2020-09-24 16:09:52,368 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:09:52,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:09:52,375 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-24 16:09:52,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:09:52,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004470313] [2020-09-24 16:09:52,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:09:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:52,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:52,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:52,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:52,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:52,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 16:09:52,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:09:52,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:09:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 16:09:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:09:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:09:52,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:09:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:52,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:52,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:52,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:52,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:52,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:09:52,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:09:52,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:09:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:09:52,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:09:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:09:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 16:09:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:52,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:52,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:52,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:52,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:52,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:09:52,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:09:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:09:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:09:52,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:09:52,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:09:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:09:52,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004470313] [2020-09-24 16:09:52,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:09:52,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 16:09:52,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465796989] [2020-09-24 16:09:52,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 16:09:52,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:09:52,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 16:09:52,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 16:09:52,778 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 16:09:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:09:52,983 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-24 16:09:52,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 16:09:52,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-24 16:09:52,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:09:52,998 INFO L225 Difference]: With dead ends: 125 [2020-09-24 16:09:52,998 INFO L226 Difference]: Without dead ends: 59 [2020-09-24 16:09:53,003 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 [2020-09-24 16:09:53,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-24 16:09:53,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-24 16:09:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 16:09:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-24 16:09:53,061 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-24 16:09:53,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:09:53,062 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-24 16:09:53,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 16:09:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-24 16:09:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 16:09:53,064 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:09:53,064 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] [2020-09-24 16:09:53,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:09:53,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:09:53,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:09:53,065 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-24 16:09:53,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:09:53,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031795200] [2020-09-24 16:09:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:09:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:53,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:53,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:53,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:53,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:53,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 16:09:53,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:09:53,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 16:09:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 16:09:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:09:53,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:09:53,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:09:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:53,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:53,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:53,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:53,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:09:53,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:09:53,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:09:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:09:53,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:09:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:09:53,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 16:09:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:09:53,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:09:53,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:09:53,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:09:53,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:09:53,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:09:53,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:09:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:09:53,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:09:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:09:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:09:53,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:09:53,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:09:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:09:53,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031795200] [2020-09-24 16:09:53,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:09:53,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 16:09:53,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856177765] [2020-09-24 16:09:53,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 16:09:53,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:09:53,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 16:09:53,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:09:53,245 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-24 16:09:53,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:09:53,466 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-24 16:09:53,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 16:09:53,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-24 16:09:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:09:53,469 INFO L225 Difference]: With dead ends: 93 [2020-09-24 16:09:53,469 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 16:09:53,470 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 [2020-09-24 16:09:53,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 16:09:53,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 16:09:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 16:09:53,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 16:09:53,482 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-24 16:09:53,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:09:53,483 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 16:09:53,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 16:09:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 16:09:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-24 16:09:53,485 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:09:53,485 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] [2020-09-24 16:09:53,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:09:53,486 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:09:53,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:09:53,486 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-24 16:09:53,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:09:53,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872571853] [2020-09-24 16:09:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:09:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 16:09:53,544 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 16:09:53,545 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 16:09:53,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:09:53,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:09:53 BoogieIcfgContainer [2020-09-24 16:09:53,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:09:53,576 INFO L168 Benchmark]: Toolchain (without parser) took 2270.09 ms. Allocated memory was 138.9 MB in the beginning and 233.8 MB in the end (delta: 94.9 MB). Free memory was 102.1 MB in the beginning and 190.4 MB in the end (delta: -88.4 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:53,577 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:09:53,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.00 ms. Allocated memory is still 138.9 MB. Free memory was 101.4 MB in the beginning and 90.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:53,579 INFO L168 Benchmark]: Boogie Preprocessor took 132.95 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 90.4 MB in the beginning and 179.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:53,580 INFO L168 Benchmark]: RCFGBuilder took 421.83 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 159.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-24 16:09:53,581 INFO L168 Benchmark]: TraceAbstraction took 1337.81 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 158.3 MB in the beginning and 190.4 MB in the end (delta: -32.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:09:53,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.00 ms. Allocated memory is still 138.9 MB. Free memory was 101.4 MB in the beginning and 90.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.95 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 90.4 MB in the beginning and 179.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.83 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 159.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1337.81 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 158.3 MB in the beginning and 190.4 MB in the end (delta: -32.2 MB). There was no memory consumed. 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] = N [L30] i=0 [L30] COND TRUE i