/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=SHALLOWEST --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/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:03:18,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:03:18,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:03:18,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:03:18,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:03:18,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:03:18,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:03:18,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:03:18,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:03:18,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:03:18,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:03:18,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:03:18,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:03:18,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:03:18,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:03:18,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:03:18,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:03:18,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:03:18,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:03:18,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:03:18,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:03:18,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:03:18,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:03:18,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:03:18,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:03:18,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:03:18,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:03:18,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:03:18,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:03:18,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:03:18,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:03:18,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:03:18,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:03:18,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:03:18,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:03:18,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:03:18,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:03:18,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:03:18,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:03:18,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:03:18,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:03:18,718 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 00:03:18,763 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:03:18,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:03:18,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:03:18,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:03:18,766 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:03:18,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:03:18,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:03:18,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:03:18,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:03:18,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:03:18,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:03:18,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:03:18,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:03:18,769 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:03:18,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:03:18,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:03:18,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:03:18,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:03:18,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:03:18,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:03:18,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:03:18,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:18,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:03:18,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:03:18,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:03:18,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:03:18,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:03:18,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:03:18,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:03:18,772 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-25 00:03:19,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:03:19,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:03:19,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:03:19,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:03:19,315 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:03:19,317 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-09-25 00:03:19,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70124b213/ed7675b4f5b549b7997853d0137ad9ce/FLAG0811d8755 [2020-09-25 00:03:19,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:03:19,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/modsf.c [2020-09-25 00:03:19,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70124b213/ed7675b4f5b549b7997853d0137ad9ce/FLAG0811d8755 [2020-09-25 00:03:20,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70124b213/ed7675b4f5b549b7997853d0137ad9ce [2020-09-25 00:03:20,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:03:20,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:03:20,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:20,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:03:20,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:03:20,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1848833b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20, skipping insertion in model container [2020-09-25 00:03:20,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:03:20,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:03:20,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:20,659 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:03:20,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:20,700 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:03:20,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20 WrapperNode [2020-09-25 00:03:20,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:20,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:03:20,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:03:20,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:03:20,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (1/1) ... [2020-09-25 00:03:20,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:03:20,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:03:20,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:03:20,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:03:20,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (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 00:03:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:03:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:03:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:03:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 00:03:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:03:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:03:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:03:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:03:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:03:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:03:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:03:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:03:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:03:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:03:21,301 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:03:21,302 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:03:21,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:21 BoogieIcfgContainer [2020-09-25 00:03:21,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:03:21,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:03:21,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:03:21,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:03:21,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:20" (1/3) ... [2020-09-25 00:03:21,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f458f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:21, skipping insertion in model container [2020-09-25 00:03:21,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:20" (2/3) ... [2020-09-25 00:03:21,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f458f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:21, skipping insertion in model container [2020-09-25 00:03:21,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:21" (3/3) ... [2020-09-25 00:03:21,323 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-09-25 00:03:21,335 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:03:21,350 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:03:21,374 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:03:21,412 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:03:21,413 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:03:21,413 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:03:21,413 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:03:21,413 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:03:21,413 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:03:21,413 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:03:21,413 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:03:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-09-25 00:03:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 00:03:21,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:21,480 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 00:03:21,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:21,488 INFO L82 PathProgramCache]: Analyzing trace with hash 731228111, now seen corresponding path program 1 times [2020-09-25 00:03:21,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:21,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759391224] [2020-09-25 00:03:21,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:21,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:21,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:21,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:21,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:22,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 00:03:22,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 00:03:22,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 397 [2020-09-25 00:03:22,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:03:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:22,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:03:22,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:22,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:22,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:22,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 00:03:22,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:22,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:22,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:22,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:22,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:03:22,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:22,259 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 00:03:22,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759391224] [2020-09-25 00:03:22,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:22,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:03:22,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730343235] [2020-09-25 00:03:22,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:03:22,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:22,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:03:22,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:22,294 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-09-25 00:03:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:22,499 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-09-25 00:03:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:03:22,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-25 00:03:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:22,514 INFO L225 Difference]: With dead ends: 145 [2020-09-25 00:03:22,514 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 00:03:22,519 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 00:03:22,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 00:03:22,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-25 00:03:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-25 00:03:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-25 00:03:22,580 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 37 [2020-09-25 00:03:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:22,580 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-25 00:03:22,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:03:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-25 00:03:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 00:03:22,583 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:22,583 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 00:03:22,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:03:22,584 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:22,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:22,588 INFO L82 PathProgramCache]: Analyzing trace with hash 681190783, now seen corresponding path program 1 times [2020-09-25 00:03:22,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:22,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992693907] [2020-09-25 00:03:22,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:22,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:24,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:24,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 00:03:24,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 00:03:24,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1601 [2020-09-25 00:03:24,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:24,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:03:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 00:03:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:03:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 00:03:24,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:24,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:24,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:24,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:24,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:03:24,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:24,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:24,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:24,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:24,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:24,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:24,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:24,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:24,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:03:24,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:03:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:24,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:03:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:24,319 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 00:03:24,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992693907] [2020-09-25 00:03:24,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:24,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:03:24,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539487793] [2020-09-25 00:03:24,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:03:24,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:24,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:03:24,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:03:24,327 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 5 states. [2020-09-25 00:03:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:24,642 INFO L93 Difference]: Finished difference Result 121 states and 132 transitions. [2020-09-25 00:03:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:03:24,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-25 00:03:24,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:24,644 INFO L225 Difference]: With dead ends: 121 [2020-09-25 00:03:24,644 INFO L226 Difference]: Without dead ends: 77 [2020-09-25 00:03:24,646 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 00:03:24,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-25 00:03:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2020-09-25 00:03:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-25 00:03:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-25 00:03:24,658 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 37 [2020-09-25 00:03:24,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:24,659 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-25 00:03:24,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:03:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-25 00:03:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 00:03:24,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:24,662 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, 1, 1, 1, 1] [2020-09-25 00:03:24,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:03:24,662 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:24,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1093467533, now seen corresponding path program 1 times [2020-09-25 00:03:24,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:24,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157411970] [2020-09-25 00:03:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:24,684 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-25 00:03:24,684 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-25 00:03:24,685 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:03:24,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:03:24,713 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-25 00:03:24,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:24 BoogieIcfgContainer [2020-09-25 00:03:24,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:03:24,718 INFO L168 Benchmark]: Toolchain (without parser) took 4391.41 ms. Allocated memory was 143.7 MB in the beginning and 252.2 MB in the end (delta: 108.5 MB). Free memory was 99.8 MB in the beginning and 205.0 MB in the end (delta: -105.2 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,719 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.23 ms. Allocated memory is still 143.7 MB. Free memory was 99.2 MB in the beginning and 88.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,721 INFO L168 Benchmark]: Boogie Preprocessor took 137.88 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 88.1 MB in the beginning and 177.9 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,722 INFO L168 Benchmark]: RCFGBuilder took 467.99 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 155.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,723 INFO L168 Benchmark]: TraceAbstraction took 3404.45 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 154.9 MB in the beginning and 205.0 MB in the end (delta: -50.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:24,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 143.7 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 372.23 ms. Allocated memory is still 143.7 MB. Free memory was 99.2 MB in the beginning and 88.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.88 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 88.1 MB in the beginning and 177.9 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 467.99 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 155.6 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3404.45 ms. Allocated memory was 200.3 MB in the beginning and 252.2 MB in the end (delta: 51.9 MB). Free memory was 154.9 MB in the beginning and 205.0 MB in the end (delta: -50.1 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible 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] = 0 [L30] i=0 [L30] COND TRUE i