/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/s3liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:10:42,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:10:42,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:10:42,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:10:42,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:10:42,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:10:42,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:10:42,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:10:42,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:10:42,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:10:42,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:10:42,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:10:42,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:10:42,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:10:42,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:10:42,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:10:42,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:10:42,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:10:42,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:10:42,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:10:42,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:10:42,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:10:42,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:10:42,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:10:42,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:10:42,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:10:42,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:10:42,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:10:42,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:10:42,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:10:42,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:10:42,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:10:42,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:10:42,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:10:42,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:10:42,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:10:42,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:10:42,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:10:42,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:10:42,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:10:42,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:10:42,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 05:10:42,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:10:42,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:10:42,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:10:42,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:10:42,760 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:10:42,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:10:42,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:10:42,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:10:42,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:10:42,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:10:42,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:10:42,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:10:42,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:10:42,762 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:10:42,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:10:42,762 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:10:42,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:10:42,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:10:42,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:10:42,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:10:42,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:10:42,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:10:42,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:10:42,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:10:42,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:10:42,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:10:42,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:10:42,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:10:42,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:10:42,766 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=true; [2020-10-13 05:10:43,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:10:43,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:10:43,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:10:43,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:10:43,159 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:10:43,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s3liff.c [2020-10-13 05:10:43,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3ad7025/e6e3d04dae3c45ab95fc8cb59861e5b3/FLAGb91a4b9e4 [2020-10-13 05:10:43,826 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:10:43,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s3liff.c [2020-10-13 05:10:43,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3ad7025/e6e3d04dae3c45ab95fc8cb59861e5b3/FLAGb91a4b9e4 [2020-10-13 05:10:44,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7c3ad7025/e6e3d04dae3c45ab95fc8cb59861e5b3 [2020-10-13 05:10:44,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:10:44,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:10:44,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:10:44,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:10:44,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:10:44,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3330734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44, skipping insertion in model container [2020-10-13 05:10:44,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:10:44,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:10:44,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:10:44,461 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:10:44,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:10:44,502 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:10:44,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44 WrapperNode [2020-10-13 05:10:44,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:10:44,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:10:44,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:10:44,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:10:44,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... [2020-10-13 05:10:44,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:10:44,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:10:44,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:10:44,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:10:44,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:10:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:10:44,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:10:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 05:10:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 05:10:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:10:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:10:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 05:10:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 05:10:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 05:10:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:10:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 05:10:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:10:44,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:10:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:10:45,050 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:10:45,051 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-13 05:10:45,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:45 BoogieIcfgContainer [2020-10-13 05:10:45,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:10:45,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:10:45,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:10:45,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:10:45,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:10:44" (1/3) ... [2020-10-13 05:10:45,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f798ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:45, skipping insertion in model container [2020-10-13 05:10:45,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:10:44" (2/3) ... [2020-10-13 05:10:45,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f798ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:10:45, skipping insertion in model container [2020-10-13 05:10:45,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:10:45" (3/3) ... [2020-10-13 05:10:45,067 INFO L109 eAbstractionObserver]: Analyzing ICFG s3liff.c [2020-10-13 05:10:45,083 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:10:45,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:10:45,109 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:10:45,138 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:10:45,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:10:45,139 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:10:45,139 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:10:45,139 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:10:45,139 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:10:45,140 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:10:45,140 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:10:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-13 05:10:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-13 05:10:45,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:10:45,169 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] [2020-10-13 05:10:45,169 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:10:45,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:10:45,175 INFO L82 PathProgramCache]: Analyzing trace with hash -88121349, now seen corresponding path program 1 times [2020-10-13 05:10:45,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:10:45,183 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881977306] [2020-10-13 05:10:45,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:10:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:45,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:45,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:46,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:46,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 05:10:46,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 05:10:46,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1143 [2020-10-13 05:10:46,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:10:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 05:10:46,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:10:46,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 05:10:46,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:10:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:46,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:46,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:46,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:10:46,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:10:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:10:46,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:10:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:10:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:10:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 05:10:46,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:10:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:46,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:46,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:46,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:10:46,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:10:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:10:46,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:10:46,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 05:10:46,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:10:46,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:10:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:10:46,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881977306] [2020-10-13 05:10:46,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:10:46,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:10:46,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318909416] [2020-10-13 05:10:46,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:10:46,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:10:46,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:10:46,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:10:46,621 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-10-13 05:10:46,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:10:46,792 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-10-13 05:10:46,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:10:46,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-10-13 05:10:46,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:10:46,812 INFO L225 Difference]: With dead ends: 60 [2020-10-13 05:10:46,812 INFO L226 Difference]: Without dead ends: 28 [2020-10-13 05:10:46,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:10:46,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-13 05:10:46,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-10-13 05:10:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-13 05:10:46,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2020-10-13 05:10:46,865 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 23 [2020-10-13 05:10:46,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:10:46,866 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2020-10-13 05:10:46,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:10:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2020-10-13 05:10:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-13 05:10:46,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:10:46,868 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] [2020-10-13 05:10:46,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:10:46,868 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:10:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:10:46,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1099238599, now seen corresponding path program 1 times [2020-10-13 05:10:46,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:10:46,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029795631] [2020-10-13 05:10:46,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:10:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:46,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:46,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:47,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:47,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 05:10:47,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:10:47,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-13 05:10:47,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:47,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 05:10:47,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 05:10:47,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 05:10:47,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:10:47,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:10:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:47,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:47,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:47,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:10:47,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:10:47,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:10:47,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:47,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:10:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:10:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:10:47,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:10:47,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:10:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:10:47,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:10:47,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:10:47,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:10:47,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:10:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:10:47,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:10:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:10:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:10:47,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:10:47,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:10:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:10:47,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029795631] [2020-10-13 05:10:47,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:10:47,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 05:10:47,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175386666] [2020-10-13 05:10:47,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 05:10:47,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:10:47,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 05:10:47,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 05:10:47,136 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 5 states. [2020-10-13 05:10:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:10:47,273 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2020-10-13 05:10:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 05:10:47,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-13 05:10:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:10:47,275 INFO L225 Difference]: With dead ends: 48 [2020-10-13 05:10:47,275 INFO L226 Difference]: Without dead ends: 35 [2020-10-13 05:10:47,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:10:47,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-13 05:10:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-10-13 05:10:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-13 05:10:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2020-10-13 05:10:47,285 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 23 [2020-10-13 05:10:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:10:47,285 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2020-10-13 05:10:47,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 05:10:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2020-10-13 05:10:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 05:10:47,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:10:47,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:10:47,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:10:47,288 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:10:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:10:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash 188437731, now seen corresponding path program 1 times [2020-10-13 05:10:47,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:10:47,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290480568] [2020-10-13 05:10:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:10:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 05:10:47,312 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 05:10:47,313 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 05:10:47,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:10:47,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:10:47 BoogieIcfgContainer [2020-10-13 05:10:47,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 05:10:47,343 INFO L168 Benchmark]: Toolchain (without parser) took 3164.54 ms. Allocated memory was 139.5 MB in the beginning and 234.9 MB in the end (delta: 95.4 MB). Free memory was 102.2 MB in the beginning and 121.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 7.1 GB. [2020-10-13 05:10:47,345 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 05:10:47,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.71 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 91.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-10-13 05:10:47,347 INFO L168 Benchmark]: Boogie Preprocessor took 127.40 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 91.4 MB in the beginning and 179.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2020-10-13 05:10:47,348 INFO L168 Benchmark]: RCFGBuilder took 425.73 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 161.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. [2020-10-13 05:10:47,349 INFO L168 Benchmark]: TraceAbstraction took 2281.71 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 161.0 MB in the beginning and 121.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. [2020-10-13 05:10:47,354 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 321.71 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 91.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.40 ms. Allocated memory was 139.5 MB in the beginning and 201.3 MB in the end (delta: 61.9 MB). Free memory was 91.4 MB in the beginning and 179.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.73 ms. Allocated memory is still 201.3 MB. Free memory was 179.2 MB in the beginning and 161.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2281.71 ms. Allocated memory was 201.3 MB in the beginning and 234.9 MB in the end (delta: 33.6 MB). Free memory was 161.0 MB in the beginning and 121.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] int *a = malloc(sizeof(int)*N); [L29] sum[0] = N [L30] i=0 [L30] COND TRUE i