/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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-eb0fd7c [2020-09-21 12:35:13,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:35:13,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:35:13,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:35:13,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:35:13,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:35:13,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:35:13,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:35:13,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:35:13,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:35:13,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:35:13,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:35:13,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:35:13,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:35:13,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:35:13,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:35:13,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:35:13,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:35:13,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:35:13,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:35:13,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:35:13,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:35:13,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:35:13,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:35:13,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:35:13,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:35:13,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:35:13,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:35:13,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:35:13,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:35:13,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:35:13,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:35:13,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:35:13,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:35:13,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:35:13,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:35:13,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:35:13,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:35:13,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:35:13,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:35:13,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:35:13,243 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 [2020-09-21 12:35:13,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:35:13,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:35:13,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:35:13,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:35:13,296 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:35:13,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:35:13,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:35:13,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:35:13,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:35:13,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:35:13,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:35:13,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:35:13,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:35:13,299 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:35:13,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:35:13,300 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:35:13,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:35:13,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:35:13,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:35:13,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:35:13,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:35:13,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:35:13,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:35:13,302 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:35:13,303 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:35:13,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:35:13,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:35:13,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:35:13,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:35:13,791 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:35:13,792 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-21 12:35:13,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0428aab52/812b3d23adb24996b1a94ba6815e5d70/FLAGefb36ebc3 [2020-09-21 12:35:14,413 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:35:14,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-21 12:35:14,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0428aab52/812b3d23adb24996b1a94ba6815e5d70/FLAGefb36ebc3 [2020-09-21 12:35:14,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0428aab52/812b3d23adb24996b1a94ba6815e5d70 [2020-09-21 12:35:14,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:35:14,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:35:14,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:35:14,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:35:14,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:35:14,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:35:14" (1/1) ... [2020-09-21 12:35:14,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1571b016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:14, skipping insertion in model container [2020-09-21 12:35:14,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:35:14" (1/1) ... [2020-09-21 12:35:14,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:35:14,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:35:15,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:35:15,125 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:35:15,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:35:15,171 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:35:15,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15 WrapperNode [2020-09-21 12:35:15,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:35:15,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:35:15,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:35:15,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:35:15,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (1/1) ... [2020-09-21 12:35:15,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:35:15,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:35:15,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:35:15,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:35:15,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (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 [2020-09-21 12:35:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:35:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:35:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:35:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 12:35:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:35:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:35:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:35:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:35:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 12:35:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:35:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:35:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:35:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:35:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:35:15,780 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:35:15,780 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 12:35:15,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:35:15 BoogieIcfgContainer [2020-09-21 12:35:15,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:35:15,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:35:15,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:35:15,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:35:15,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:35:14" (1/3) ... [2020-09-21 12:35:15,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74221a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:35:15, skipping insertion in model container [2020-09-21 12:35:15,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:35:15" (2/3) ... [2020-09-21 12:35:15,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74221a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:35:15, skipping insertion in model container [2020-09-21 12:35:15,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:35:15" (3/3) ... [2020-09-21 12:35:15,802 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-21 12:35:15,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:35:15,822 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:35:15,844 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:35:15,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:35:15,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:35:15,871 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:35:15,872 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:35:15,872 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:35:15,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:35:15,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:35:15,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:35:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-09-21 12:35:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 12:35:15,901 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:15,902 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] [2020-09-21 12:35:15,903 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:15,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:15,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1155719453, now seen corresponding path program 1 times [2020-09-21 12:35:15,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:15,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523655477] [2020-09-21 12:35:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:16,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:17,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:35:17,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:35:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:35:17,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:17,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:17,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 12:35:17,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:35:17,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:17,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:17,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:17,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:17,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:35:17,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:17,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:17,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:17,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:35:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:17,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:17,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:35:17,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:35:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:35:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:35:17,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523655477] [2020-09-21 12:35:17,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:17,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:35:17,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21719449] [2020-09-21 12:35:17,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:35:17,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:17,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:35:17,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:35:17,224 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-09-21 12:35:17,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:17,400 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2020-09-21 12:35:17,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:35:17,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-09-21 12:35:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:17,421 INFO L225 Difference]: With dead ends: 64 [2020-09-21 12:35:17,421 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 12:35:17,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:35:17,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 12:35:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-09-21 12:35:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 12:35:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-09-21 12:35:17,506 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2020-09-21 12:35:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:17,506 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-09-21 12:35:17,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:35:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-09-21 12:35:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 12:35:17,508 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:17,508 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] [2020-09-21 12:35:17,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:35:17,509 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:17,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:17,510 INFO L82 PathProgramCache]: Analyzing trace with hash -124144225, now seen corresponding path program 1 times [2020-09-21 12:35:17,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:17,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43807810] [2020-09-21 12:35:17,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:17,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:17,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:18,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:18,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 12:35:18,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:35:18,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 848 [2020-09-21 12:35:18,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 12:35:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 12:35:18,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 12:35:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:35:18,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:35:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:18,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:18,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:35:18,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:35:18,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:35:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:35:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:35:18,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:35:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:35:18,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:35:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:35:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:35:18,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:35:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 12:35:18,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:35:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:35:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:35:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:35:18,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:35:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:35:18,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [43807810] [2020-09-21 12:35:18,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:35:18,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:35:18,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254773708] [2020-09-21 12:35:18,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:35:18,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:35:18,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:35:18,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:35:18,482 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 5 states. [2020-09-21 12:35:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:35:18,696 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2020-09-21 12:35:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:35:18,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-09-21 12:35:18,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:35:18,700 INFO L225 Difference]: With dead ends: 59 [2020-09-21 12:35:18,700 INFO L226 Difference]: Without dead ends: 42 [2020-09-21 12:35:18,707 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:35:18,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-21 12:35:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2020-09-21 12:35:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-21 12:35:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-09-21 12:35:18,727 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 24 [2020-09-21 12:35:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:35:18,728 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-09-21 12:35:18,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:35:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-09-21 12:35:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-21 12:35:18,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:35:18,729 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] [2020-09-21 12:35:18,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:35:18,730 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:35:18,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:35:18,731 INFO L82 PathProgramCache]: Analyzing trace with hash -191015719, now seen corresponding path program 1 times [2020-09-21 12:35:18,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:35:18,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32548886] [2020-09-21 12:35:18,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:35:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 12:35:18,764 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 12:35:18,765 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 12:35:18,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:35:18,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:35:18 BoogieIcfgContainer [2020-09-21 12:35:18,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:35:18,796 INFO L168 Benchmark]: Toolchain (without parser) took 4018.09 ms. Allocated memory was 139.5 MB in the beginning and 235.4 MB in the end (delta: 95.9 MB). Free memory was 102.7 MB in the beginning and 96.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,797 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.80 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 91.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,799 INFO L168 Benchmark]: Boogie Preprocessor took 169.91 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.5 MB in the beginning and 179.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,800 INFO L168 Benchmark]: RCFGBuilder took 442.35 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,801 INFO L168 Benchmark]: TraceAbstraction took 3005.31 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 160.9 MB in the beginning and 96.5 MB in the end (delta: 64.3 MB). Peak memory consumption was 97.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:35:18,805 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 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 390.80 ms. Allocated memory is still 139.5 MB. Free memory was 102.0 MB in the beginning and 91.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 169.91 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 91.5 MB in the beginning and 179.2 MB in the end (delta: -87.8 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 442.35 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 161.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3005.31 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 160.9 MB in the beginning and 96.5 MB in the end (delta: 64.3 MB). Peak memory consumption was 97.9 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