/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=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:49:40,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:49:40,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:49:40,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:49:40,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:49:40,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:49:40,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:49:40,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:49:40,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:49:40,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:49:40,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:49:40,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:49:40,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:49:40,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:49:40,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:49:40,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:49:40,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:49:40,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:49:40,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:49:40,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:49:40,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:49:40,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:49:40,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:49:40,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:49:40,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:49:40,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:49:40,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:49:40,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:49:40,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:49:40,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:49:40,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:49:40,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:49:40,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:49:40,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:49:40,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:49:40,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:49:40,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:49:40,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:49:40,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:49:40,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:49:40,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:49:40,825 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 21:49:40,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:49:40,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:49:40,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:49:40,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:49:40,885 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:49:40,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:49:40,886 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:49:40,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:49:40,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:49:40,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:49:40,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:49:40,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:49:40,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:49:40,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:49:40,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:49:40,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:49:40,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:49:40,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:49:40,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:49:40,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:49:40,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:49:40,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:49:40,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:49:40,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:49:40,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:49:40,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:49:40,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:49:40,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:49:40,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:49:40,892 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:49:41,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:49:41,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:49:41,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:49:41,449 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:49:41,450 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:49:41,451 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 21:49:41,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfa657d0a/5f3310745855408e8673855a42b5d054/FLAG9bd4a109f [2020-09-24 21:49:42,107 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:49:42,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 21:49:42,117 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfa657d0a/5f3310745855408e8673855a42b5d054/FLAG9bd4a109f [2020-09-24 21:49:42,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfa657d0a/5f3310745855408e8673855a42b5d054 [2020-09-24 21:49:42,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:49:42,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:49:42,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:42,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:49:42,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:49:42,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee4d01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42, skipping insertion in model container [2020-09-24 21:49:42,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:49:42,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:49:42,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:42,703 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:49:42,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:49:42,748 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:49:42,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42 WrapperNode [2020-09-24 21:49:42,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:49:42,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:49:42,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:49:42,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:49:42,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (1/1) ... [2020-09-24 21:49:42,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:49:42,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:49:42,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:49:42,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:49:42,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (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 21:49:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:49:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:49:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 21:49:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 21:49:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:49:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:49:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 21:49:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 21:49:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 21:49:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:49:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:49:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:49:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:49:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:49:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:49:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:49:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:49:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:49:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:49:43,315 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:49:43,316 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 21:49:43,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:43 BoogieIcfgContainer [2020-09-24 21:49:43,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:49:43,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:49:43,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:49:43,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:49:43,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:49:42" (1/3) ... [2020-09-24 21:49:43,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3573128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:43, skipping insertion in model container [2020-09-24 21:49:43,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:49:42" (2/3) ... [2020-09-24 21:49:43,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3573128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:49:43, skipping insertion in model container [2020-09-24 21:49:43,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:49:43" (3/3) ... [2020-09-24 21:49:43,356 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-24 21:49:43,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:49:43,378 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:49:43,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:49:43,433 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:49:43,433 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:49:43,433 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:49:43,433 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:49:43,434 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:49:43,434 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:49:43,434 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:49:43,434 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:49:43,460 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 21:49:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 21:49:43,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:43,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:49:43,470 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:43,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:43,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-24 21:49:43,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:43,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46147419] [2020-09-24 21:49:43,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:43,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:43,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:43,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:43,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 21:49:43,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:49:43,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-09-24 21:49:43,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 21:49:43,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:49:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:44,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:44,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:49:44,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 21:49:44,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:44,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:44,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:49:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:44,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:49:44,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:49:44,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:44,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:44,116 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 21:49:44,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46147419] [2020-09-24 21:49:44,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:44,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 21:49:44,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030634258] [2020-09-24 21:49:44,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 21:49:44,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:44,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 21:49:44,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 21:49:44,153 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 21:49:44,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:44,379 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-24 21:49:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 21:49:44,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-24 21:49:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:44,393 INFO L225 Difference]: With dead ends: 125 [2020-09-24 21:49:44,393 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 21:49:44,398 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 21:49:44,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 21:49:44,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 21:49:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 21:49:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 21:49:44,458 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-24 21:49:44,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:44,458 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 21:49:44,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 21:49:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 21:49:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 21:49:44,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:44,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:49:44,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:49:44,462 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-24 21:49:44,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:44,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733795467] [2020-09-24 21:49:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:45,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:45,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 21:49:45,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 21:49:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1425 [2020-09-24 21:49:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 21:49:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 21:49:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 21:49:45,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:49:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:49:45,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:49:45,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:49:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:49:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:49:45,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:49:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:49:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:49:46,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:49:46,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:49:46,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:49:46,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:49:46,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:49:46,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:49:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:49:46,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 21:49:46,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:49:46,022 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 21:49:46,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733795467] [2020-09-24 21:49:46,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:49:46,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:49:46,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384792503] [2020-09-24 21:49:46,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:49:46,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:49:46,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:49:46,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:49:46,029 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-24 21:49:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:49:46,281 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2020-09-24 21:49:46,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 21:49:46,281 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-24 21:49:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:49:46,283 INFO L225 Difference]: With dead ends: 100 [2020-09-24 21:49:46,284 INFO L226 Difference]: Without dead ends: 66 [2020-09-24 21:49:46,285 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 21:49:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-24 21:49:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2020-09-24 21:49:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 21:49:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-24 21:49:46,298 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-24 21:49:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:49:46,299 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-24 21:49:46,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:49:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-24 21:49:46,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 21:49:46,301 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:49:46,301 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, 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 21:49:46,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:49:46,302 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:49:46,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:49:46,303 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-24 21:49:46,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:49:46,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192919181] [2020-09-24 21:49:46,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:49:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 21:49:46,340 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 21:49:46,340 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 21:49:46,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:49:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 09:49:46 BoogieIcfgContainer [2020-09-24 21:49:46,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 21:49:46,375 INFO L168 Benchmark]: Toolchain (without parser) took 3967.93 ms. Allocated memory was 138.9 MB in the beginning and 233.3 MB in the end (delta: 94.4 MB). Free memory was 102.5 MB in the beginning and 92.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 104.8 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:46,376 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 21:49:46,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.45 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:46,378 INFO L168 Benchmark]: Boogie Preprocessor took 135.36 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 91.0 MB in the beginning and 178.1 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:46,379 INFO L168 Benchmark]: RCFGBuilder took 458.36 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 157.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:46,380 INFO L168 Benchmark]: TraceAbstraction took 3026.31 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 157.6 MB in the beginning and 92.1 MB in the end (delta: 65.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2020-09-24 21:49:46,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 338.45 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.0 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.36 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 91.0 MB in the beginning and 178.1 MB in the end (delta: -87.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.36 ms. Allocated memory is still 200.8 MB. Free memory was 178.1 MB in the beginning and 157.6 MB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3026.31 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 157.6 MB in the beginning and 92.1 MB in the end (delta: 65.5 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i