/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:41:34,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:41:34,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:41:34,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:41:34,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:41:34,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:41:34,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:41:34,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:41:34,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:41:34,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:41:34,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:41:34,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:41:34,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:41:34,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:41:34,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:41:34,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:41:34,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:41:34,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:41:34,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:41:34,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:41:34,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:41:34,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:41:34,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:41:34,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:41:34,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:41:34,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:41:34,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:41:34,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:41:34,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:41:34,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:41:34,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:41:34,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:41:34,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:41:34,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:41:34,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:41:34,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:41:34,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:41:34,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:41:34,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:41:34,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:41:34,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:41:34,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:41:34,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:41:34,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:41:34,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:41:34,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:41:34,258 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:41:34,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:41:34,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:41:34,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:41:34,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:41:34,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:41:34,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:41:34,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:41:34,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:41:34,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:41:34,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:41:34,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:41:34,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:41:34,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:41:34,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:41:34,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:41:34,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:41:34,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:41:34,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:41:34,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:41:34,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:41:34,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:41:34,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:41:34,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:41:34,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:41:34,264 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:41:34,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:41:34,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:41:34,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:41:34,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:41:34,791 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:41:34,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 20:41:34,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7774b287f/5b41c333abd24f4c8671af966cdfda0d/FLAGba33c2dfe [2020-09-24 20:41:35,428 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:41:35,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-24 20:41:35,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7774b287f/5b41c333abd24f4c8671af966cdfda0d/FLAGba33c2dfe [2020-09-24 20:41:35,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7774b287f/5b41c333abd24f4c8671af966cdfda0d [2020-09-24 20:41:35,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:41:35,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:41:35,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:35,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:41:35,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:41:35,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:35" (1/1) ... [2020-09-24 20:41:35,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788ef5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:35, skipping insertion in model container [2020-09-24 20:41:35,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:41:35" (1/1) ... [2020-09-24 20:41:35,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:41:35,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:41:36,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:36,101 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:41:36,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:41:36,142 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:41:36,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36 WrapperNode [2020-09-24 20:41:36,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:41:36,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:41:36,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:41:36,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:41:36,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... [2020-09-24 20:41:36,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:41:36,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:41:36,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:41:36,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:41:36,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:41:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:41:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:41:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:41:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 20:41:36,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:41:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:41:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:41:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:41:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 20:41:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:41:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:41:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:41:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:41:36,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:41:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:41:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:41:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:41:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:41:36,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:41:36,689 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:41:36,689 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 20:41:36,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:36 BoogieIcfgContainer [2020-09-24 20:41:36,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:41:36,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:41:36,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:41:36,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:41:36,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:41:35" (1/3) ... [2020-09-24 20:41:36,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183268dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:36, skipping insertion in model container [2020-09-24 20:41:36,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:41:36" (2/3) ... [2020-09-24 20:41:36,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183268dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:41:36, skipping insertion in model container [2020-09-24 20:41:36,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:41:36" (3/3) ... [2020-09-24 20:41:36,705 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-24 20:41:36,717 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:41:36,728 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:41:36,751 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:41:36,783 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:41:36,783 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:41:36,783 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:41:36,783 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:41:36,784 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:41:36,784 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:41:36,784 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:41:36,784 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:41:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-24 20:41:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 20:41:36,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:36,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:41:36,820 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:36,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:36,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1325521379, now seen corresponding path program 1 times [2020-09-24 20:41:36,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:36,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2020911189] [2020-09-24 20:41:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:37,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:37,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:37,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:37,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 20:41:37,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:41:37,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-24 20:41:37,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:37,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:41:37,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:37,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 20:41:37,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:37,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:37,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:41:37,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:41:37,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:37,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:37,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:41:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:37,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:37,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:37,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:41:37,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:41:37,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:37,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:41:37,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2020911189] [2020-09-24 20:41:37,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:41:37,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 20:41:37,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955132836] [2020-09-24 20:41:37,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 20:41:37,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:37,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 20:41:37,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 20:41:37,569 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-24 20:41:37,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:37,811 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2020-09-24 20:41:37,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 20:41:37,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-24 20:41:37,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:37,833 INFO L225 Difference]: With dead ends: 125 [2020-09-24 20:41:37,834 INFO L226 Difference]: Without dead ends: 62 [2020-09-24 20:41:37,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 20:41:37,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-24 20:41:37,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-24 20:41:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-24 20:41:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-24 20:41:37,920 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 35 [2020-09-24 20:41:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:37,921 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-24 20:41:37,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 20:41:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-24 20:41:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-24 20:41:37,925 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:37,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:41:37,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:41:37,926 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:37,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1536754598, now seen corresponding path program 1 times [2020-09-24 20:41:37,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:37,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65825134] [2020-09-24 20:41:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:38,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:39,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:39,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 20:41:39,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 20:41:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1258 [2020-09-24 20:41:39,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:41:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 20:41:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:41:39,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:41:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:39,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:39,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:41:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:39,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:41:39,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:41:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:41:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:41:39,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:41:39,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:41:39,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:41:39,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:41:39,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:41:39,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:41:39,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:41:39,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:41:39,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:41:39,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:41:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:41:39,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65825134] [2020-09-24 20:41:39,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:41:39,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 20:41:39,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759336388] [2020-09-24 20:41:39,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 20:41:39,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:41:39,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 20:41:39,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-24 20:41:39,326 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 6 states. [2020-09-24 20:41:39,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:41:39,650 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-09-24 20:41:39,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 20:41:39,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2020-09-24 20:41:39,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:41:39,655 INFO L225 Difference]: With dead ends: 127 [2020-09-24 20:41:39,655 INFO L226 Difference]: Without dead ends: 88 [2020-09-24 20:41:39,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:41:39,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-09-24 20:41:39,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 65. [2020-09-24 20:41:39,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 20:41:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-09-24 20:41:39,674 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 35 [2020-09-24 20:41:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:41:39,675 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-09-24 20:41:39,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 20:41:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-09-24 20:41:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-24 20:41:39,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:41:39,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:41:39,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:41:39,678 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:41:39,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:41:39,679 INFO L82 PathProgramCache]: Analyzing trace with hash -313984591, now seen corresponding path program 1 times [2020-09-24 20:41:39,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:41:39,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541136142] [2020-09-24 20:41:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:41:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 20:41:39,711 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 20:41:39,712 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 20:41:39,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:41:39,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 08:41:39 BoogieIcfgContainer [2020-09-24 20:41:39,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 20:41:39,752 INFO L168 Benchmark]: Toolchain (without parser) took 3946.43 ms. Allocated memory was 141.0 MB in the beginning and 243.3 MB in the end (delta: 102.2 MB). Free memory was 103.8 MB in the beginning and 215.2 MB in the end (delta: -111.4 MB). Peak memory consumption was 112.0 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:39,753 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 20:41:39,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.11 ms. Allocated memory is still 141.0 MB. Free memory was 103.1 MB in the beginning and 92.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:39,754 INFO L168 Benchmark]: Boogie Preprocessor took 130.11 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 92.7 MB in the beginning and 181.2 MB in the end (delta: -88.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:39,755 INFO L168 Benchmark]: RCFGBuilder took 421.16 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 161.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:39,756 INFO L168 Benchmark]: TraceAbstraction took 3051.29 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 160.5 MB in the beginning and 215.2 MB in the end (delta: -54.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2020-09-24 20:41:39,760 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 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 333.11 ms. Allocated memory is still 141.0 MB. Free memory was 103.1 MB in the beginning and 92.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.11 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 92.7 MB in the beginning and 181.2 MB in the end (delta: -88.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.16 ms. Allocated memory is still 203.9 MB. Free memory was 181.2 MB in the beginning and 161.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3051.29 ms. Allocated memory was 203.9 MB in the beginning and 243.3 MB in the end (delta: 39.3 MB). Free memory was 160.5 MB in the beginning and 215.2 MB in the end (delta: -54.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i