/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=DEEPEST --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/res1of.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:09:03,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:09:03,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:09:03,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:09:03,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:09:03,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:09:03,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:09:03,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:09:03,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:09:03,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:09:03,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:09:03,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:09:03,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:09:03,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:09:03,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:09:03,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:09:03,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:09:03,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:09:03,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:09:03,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:09:03,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:09:03,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:09:03,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:09:03,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:09:03,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:09:03,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:09:03,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:09:03,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:09:03,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:09:03,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:09:03,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:09:03,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:09:03,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:09:03,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:09:03,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:09:03,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:09:03,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:09:03,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:09:03,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:09:03,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:09:03,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:09:03,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 01:09:03,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:09:03,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:09:03,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:09:03,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:09:03,939 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:09:03,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:09:03,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:09:03,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:09:03,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:09:03,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:09:03,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:09:03,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:09:03,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:09:03,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:09:03,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:09:03,942 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:09:03,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:09:03,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:09:03,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:09:03,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:09:03,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:09:03,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:03,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:09:03,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:09:03,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:09:03,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:09:03,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:09:03,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:09:03,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:09:03,945 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 01:09:04,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:09:04,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:09:04,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:09:04,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:09:04,445 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:09:04,446 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1of.c [2020-09-25 01:09:04,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d41db432/69c129346c6b42cda7b93e958aac79a1/FLAGf1ae4c323 [2020-09-25 01:09:05,034 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:09:05,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res1of.c [2020-09-25 01:09:05,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d41db432/69c129346c6b42cda7b93e958aac79a1/FLAGf1ae4c323 [2020-09-25 01:09:05,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d41db432/69c129346c6b42cda7b93e958aac79a1 [2020-09-25 01:09:05,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:09:05,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:09:05,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:05,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:09:05,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:09:05,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44406637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05, skipping insertion in model container [2020-09-25 01:09:05,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:09:05,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:09:05,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:05,747 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:09:05,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:05,787 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:09:05,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05 WrapperNode [2020-09-25 01:09:05,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:05,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:09:05,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:09:05,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:09:05,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... [2020-09-25 01:09:05,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:09:05,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:09:05,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:09:05,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:09:05,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:09:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:09:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:09:06,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 01:09:06,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:09:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:09:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:09:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:09:06,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 01:09:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:09:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:09:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:09:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:09:06,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:09:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:09:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:09:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:09:06,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:09:06,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:09:06,356 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:09:06,357 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 01:09:06,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:06 BoogieIcfgContainer [2020-09-25 01:09:06,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:09:06,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:09:06,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:09:06,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:09:06,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:05" (1/3) ... [2020-09-25 01:09:06,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64341a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:06, skipping insertion in model container [2020-09-25 01:09:06,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:05" (2/3) ... [2020-09-25 01:09:06,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64341a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:06, skipping insertion in model container [2020-09-25 01:09:06,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:06" (3/3) ... [2020-09-25 01:09:06,372 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2020-09-25 01:09:06,385 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:09:06,395 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:09:06,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:09:06,450 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:09:06,451 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:09:06,451 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:09:06,451 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:09:06,451 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:09:06,451 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:09:06,451 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:09:06,451 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:09:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-09-25 01:09:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 01:09:06,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:06,488 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] [2020-09-25 01:09:06,488 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:06,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:06,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1485233439, now seen corresponding path program 1 times [2020-09-25 01:09:06,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:06,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939352798] [2020-09-25 01:09:06,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:06,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:06,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:07,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:07,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:07,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 01:09:07,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:09:07,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1123 [2020-09-25 01:09:07,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 01:09:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:09:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:07,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:07,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:07,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:09:07,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:07,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:09:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:07,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:07,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:07,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:07,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:07,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:09:07,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:07,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:07,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:07,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:09:07,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939352798] [2020-09-25 01:09:07,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:07,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:09:07,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874115648] [2020-09-25 01:09:07,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:09:07,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:08,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:09:08,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:08,017 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-09-25 01:09:08,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:08,256 INFO L93 Difference]: Finished difference Result 131 states and 150 transitions. [2020-09-25 01:09:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:09:08,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-25 01:09:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:08,277 INFO L225 Difference]: With dead ends: 131 [2020-09-25 01:09:08,278 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 01:09:08,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:08,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 01:09:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 01:09:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 01:09:08,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 01:09:08,348 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 37 [2020-09-25 01:09:08,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:08,349 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 01:09:08,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:09:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 01:09:08,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 01:09:08,350 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:08,351 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] [2020-09-25 01:09:08,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:09:08,351 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:08,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:08,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1275810423, now seen corresponding path program 1 times [2020-09-25 01:09:08,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:08,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817701619] [2020-09-25 01:09:08,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:08,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:08,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:08,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:08,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:11,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:11,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 01:09:11,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:09:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2779 [2020-09-25 01:09:11,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:09:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 01:09:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 01:09:11,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 01:09:11,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:11,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:11,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:11,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:11,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:09:11,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:11,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:11,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:11,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:11,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:11,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:11,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:09:11,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:09:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:11,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:09:11,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:09:11,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817701619] [2020-09-25 01:09:11,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:11,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:09:11,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674499794] [2020-09-25 01:09:11,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:09:11,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:11,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:09:11,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:09:11,268 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 5 states. [2020-09-25 01:09:11,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:11,487 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2020-09-25 01:09:11,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 01:09:11,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-25 01:09:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:11,489 INFO L225 Difference]: With dead ends: 98 [2020-09-25 01:09:11,490 INFO L226 Difference]: Without dead ends: 66 [2020-09-25 01:09:11,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:09:11,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-09-25 01:09:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-09-25 01:09:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-25 01:09:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-09-25 01:09:11,503 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 37 [2020-09-25 01:09:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:11,503 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-09-25 01:09:11,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:09:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-09-25 01:09:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-25 01:09:11,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:11,506 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, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:09:11,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:09:11,506 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:11,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:11,507 INFO L82 PathProgramCache]: Analyzing trace with hash 499886001, now seen corresponding path program 1 times [2020-09-25 01:09:11,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:11,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846383636] [2020-09-25 01:09:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 01:09:11,542 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 01:09:11,543 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 01:09:11,548 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:09:11,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:09:11 BoogieIcfgContainer [2020-09-25 01:09:11,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 01:09:11,576 INFO L168 Benchmark]: Toolchain (without parser) took 6167.91 ms. Allocated memory was 147.8 MB in the beginning and 244.3 MB in the end (delta: 96.5 MB). Free memory was 102.7 MB in the beginning and 132.1 MB in the end (delta: -29.5 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,580 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.23 ms. Allocated memory is still 147.8 MB. Free memory was 102.0 MB in the beginning and 91.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,582 INFO L168 Benchmark]: Boogie Preprocessor took 138.15 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 91.4 MB in the beginning and 181.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,583 INFO L168 Benchmark]: RCFGBuilder took 435.81 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 160.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,585 INFO L168 Benchmark]: TraceAbstraction took 5208.44 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 160.3 MB in the beginning and 132.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:11,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 147.8 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.23 ms. Allocated memory is still 147.8 MB. Free memory was 102.0 MB in the beginning and 91.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.15 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 91.4 MB in the beginning and 181.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 435.81 ms. Allocated memory is still 204.5 MB. Free memory was 181.8 MB in the beginning and 160.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5208.44 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 160.3 MB in the beginning and 132.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 68.0 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); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 0 [L31] i=0 [L31] COND TRUE i