/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/s52iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:09:17,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:09:17,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:09:17,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:09:17,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:09:17,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:09:17,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:09:17,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:09:17,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:09:17,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:09:17,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:09:17,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:09:17,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:09:17,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:09:17,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:09:17,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:09:17,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:09:17,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:09:17,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:09:17,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:09:17,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:09:17,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:09:17,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:09:17,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:09:17,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:09:17,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:09:17,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:09:17,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:09:17,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:09:17,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:09:17,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:09:17,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:09:17,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:09:17,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:09:17,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:09:17,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:09:17,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:09:17,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:09:17,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:09:17,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:09:17,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:09:17,534 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 01:09:17,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:09:17,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:09:17,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:09:17,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:09:17,561 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:09:17,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:09:17,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:09:17,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:09:17,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:09:17,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:09:17,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:09:17,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:09:17,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:09:17,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:09:17,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:09:17,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:09:17,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:09:17,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:09:17,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:09:17,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:09:17,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:09:17,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:17,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:09:17,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:09:17,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:09:17,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:09:17,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:09:17,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:09:17,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:09:17,567 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 01:09:18,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:09:18,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:09:18,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:09:18,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:09:18,053 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:09:18,055 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-25 01:09:18,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2969932f/46e9e4c34af24238b8e70d1c293f7ff8/FLAG4685566d6 [2020-09-25 01:09:18,661 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:09:18,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s52iff.c [2020-09-25 01:09:18,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2969932f/46e9e4c34af24238b8e70d1c293f7ff8/FLAG4685566d6 [2020-09-25 01:09:18,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f2969932f/46e9e4c34af24238b8e70d1c293f7ff8 [2020-09-25 01:09:19,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:09:19,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:09:19,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:19,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:09:19,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:09:19,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:18" (1/1) ... [2020-09-25 01:09:19,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3add5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19, skipping insertion in model container [2020-09-25 01:09:19,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:18" (1/1) ... [2020-09-25 01:09:19,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:09:19,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:09:19,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:19,405 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:09:19,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:19,457 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:09:19,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19 WrapperNode [2020-09-25 01:09:19,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:19,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:09:19,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:09:19,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:09:19,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (1/1) ... [2020-09-25 01:09:19,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:09:19,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:09:19,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:09:19,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:09:19,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (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 01:09:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:09:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:09:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:09:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 01:09:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:09:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:09:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:09:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:09:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 01:09:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:09:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:09:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:09:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:09:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:09:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:09:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:09:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:09:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:09:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:09:20,060 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:09:20,061 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 01:09:20,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:20 BoogieIcfgContainer [2020-09-25 01:09:20,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:09:20,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:09:20,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:09:20,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:09:20,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:18" (1/3) ... [2020-09-25 01:09:20,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb70ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:20, skipping insertion in model container [2020-09-25 01:09:20,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:19" (2/3) ... [2020-09-25 01:09:20,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cb70ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:20, skipping insertion in model container [2020-09-25 01:09:20,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:20" (3/3) ... [2020-09-25 01:09:20,078 INFO L109 eAbstractionObserver]: Analyzing ICFG s52iff.c [2020-09-25 01:09:20,093 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:09:20,103 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:09:20,127 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:09:20,161 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:09:20,161 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:09:20,161 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:09:20,161 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:09:20,162 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:09:20,162 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:09:20,162 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:09:20,162 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:09:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-09-25 01:09:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 01:09:20,194 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:20,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:09:20,195 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:20,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:20,202 INFO L82 PathProgramCache]: Analyzing trace with hash 350973390, now seen corresponding path program 1 times [2020-09-25 01:09:20,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:20,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673222815] [2020-09-25 01:09:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:20,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:20,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:20,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:20,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 01:09:20,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:09:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-09-25 01:09:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 01:09:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 01:09:20,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:20,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:20,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:20,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:20,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:20,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 01:09:20,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:20,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:20,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:20,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:20,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:20,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:09:20,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:20,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:20,857 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 01:09:20,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673222815] [2020-09-25 01:09:20,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:20,861 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:09:20,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442223888] [2020-09-25 01:09:20,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:09:20,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:20,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:09:20,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:20,893 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2020-09-25 01:09:21,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:21,097 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2020-09-25 01:09:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:09:21,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 01:09:21,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:21,112 INFO L225 Difference]: With dead ends: 143 [2020-09-25 01:09:21,112 INFO L226 Difference]: Without dead ends: 68 [2020-09-25 01:09:21,117 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 01:09:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-25 01:09:21,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-09-25 01:09:21,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 01:09:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2020-09-25 01:09:21,176 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 33 [2020-09-25 01:09:21,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:21,177 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2020-09-25 01:09:21,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:09:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2020-09-25 01:09:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 01:09:21,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:21,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:09:21,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:09:21,181 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:21,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:21,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1688115303, now seen corresponding path program 1 times [2020-09-25 01:09:21,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:21,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671212365] [2020-09-25 01:09:21,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:21,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:21,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:21,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:21,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:21,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 01:09:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:09:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 662 [2020-09-25 01:09:21,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 01:09:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 01:09:21,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 01:09:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:09:21,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:21,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:21,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:21,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:21,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:09:21,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:21,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:21,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:21,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:21,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:21,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:21,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 01:09:21,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:09:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:21,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:09:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:21,990 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 01:09:21,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671212365] [2020-09-25 01:09:21,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:21,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:09:21,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867779540] [2020-09-25 01:09:21,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:09:21,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:21,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:09:21,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:09:21,996 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 5 states. [2020-09-25 01:09:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:22,281 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2020-09-25 01:09:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 01:09:22,282 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 01:09:22,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:22,285 INFO L225 Difference]: With dead ends: 111 [2020-09-25 01:09:22,285 INFO L226 Difference]: Without dead ends: 71 [2020-09-25 01:09:22,288 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 01:09:22,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-25 01:09:22,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-09-25 01:09:22,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-25 01:09:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2020-09-25 01:09:22,313 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 33 [2020-09-25 01:09:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:22,313 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2020-09-25 01:09:22,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:09:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2020-09-25 01:09:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-25 01:09:22,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:22,318 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] [2020-09-25 01:09:22,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:09:22,318 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:22,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:22,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1790069826, now seen corresponding path program 1 times [2020-09-25 01:09:22,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:22,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058078038] [2020-09-25 01:09:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 01:09:22,376 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 01:09:22,377 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 01:09:22,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:09:22,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:09:22 BoogieIcfgContainer [2020-09-25 01:09:22,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 01:09:22,424 INFO L168 Benchmark]: Toolchain (without parser) took 3408.70 ms. Allocated memory was 137.9 MB in the beginning and 231.7 MB in the end (delta: 93.8 MB). Free memory was 101.0 MB in the beginning and 132.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,426 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.09 ms. Allocated memory is still 137.9 MB. Free memory was 100.3 MB in the beginning and 89.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,429 INFO L168 Benchmark]: Boogie Preprocessor took 158.34 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 89.7 MB in the beginning and 179.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,430 INFO L168 Benchmark]: RCFGBuilder took 450.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 156.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,434 INFO L168 Benchmark]: TraceAbstraction took 2348.05 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 156.3 MB in the beginning and 132.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:22,448 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 438.09 ms. Allocated memory is still 137.9 MB. Free memory was 100.3 MB in the beginning and 89.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 158.34 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 89.7 MB in the beginning and 179.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 450.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 156.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2348.05 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 156.3 MB in the beginning and 132.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 54.3 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] = 1 [L30] i=0 [L30] COND TRUE i