/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=NARROWEST --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/sina4f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:18:43,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:18:43,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:18:43,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:18:43,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:18:43,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:18:43,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:18:43,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:18:43,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:18:43,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:18:43,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:18:43,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:18:43,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:18:43,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:18:43,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:18:43,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:18:43,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:18:43,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:18:43,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:18:43,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:18:43,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:18:43,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:18:43,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:18:43,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:18:43,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:18:43,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:18:43,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:18:43,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:18:43,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:18:43,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:18:43,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:18:43,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:18:43,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:18:43,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:18:43,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:18:43,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:18:43,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:18:43,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:18:43,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:18:43,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:18:43,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:18:43,641 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 02:18:43,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:18:43,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:18:43,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:18:43,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:18:43,688 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:18:43,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:18:43,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:18:43,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:18:43,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:18:43,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:18:43,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:18:43,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:18:43,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:18:43,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:18:43,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:18:43,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:18:43,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:18:43,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:18:43,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:18:43,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:18:43,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:18:43,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:18:43,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:18:43,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:18:43,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:18:43,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:18:43,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:18:43,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:18:43,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:18:43,695 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 02:18:44,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:18:44,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:18:44,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:18:44,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:18:44,195 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:18:44,197 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina4f.c [2020-09-25 02:18:44,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200399992/9239d408f81d466b8d659f0cbba35c76/FLAG9785c8d1e [2020-09-25 02:18:44,845 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:18:44,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina4f.c [2020-09-25 02:18:44,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200399992/9239d408f81d466b8d659f0cbba35c76/FLAG9785c8d1e [2020-09-25 02:18:45,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/200399992/9239d408f81d466b8d659f0cbba35c76 [2020-09-25 02:18:45,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:18:45,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:18:45,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:18:45,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:18:45,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:18:45,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629af9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45, skipping insertion in model container [2020-09-25 02:18:45,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:18:45,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:18:45,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:18:45,512 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:18:45,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:18:45,637 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:18:45,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45 WrapperNode [2020-09-25 02:18:45,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:18:45,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:18:45,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:18:45,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:18:45,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (1/1) ... [2020-09-25 02:18:45,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:18:45,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:18:45,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:18:45,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:18:45,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (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 02:18:45,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:18:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:18:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:18:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 02:18:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:18:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:18:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:18:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:18:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 02:18:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:18:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:18:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:18:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:18:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:18:46,130 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:18:46,130 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:18:46,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:46 BoogieIcfgContainer [2020-09-25 02:18:46,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:18:46,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:18:46,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:18:46,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:18:46,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:18:45" (1/3) ... [2020-09-25 02:18:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2c1098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:46, skipping insertion in model container [2020-09-25 02:18:46,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:45" (2/3) ... [2020-09-25 02:18:46,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e2c1098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:46, skipping insertion in model container [2020-09-25 02:18:46,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:46" (3/3) ... [2020-09-25 02:18:46,157 INFO L109 eAbstractionObserver]: Analyzing ICFG sina4f.c [2020-09-25 02:18:46,166 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:18:46,174 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:18:46,194 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:18:46,224 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:18:46,224 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:18:46,224 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:18:46,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:18:46,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:18:46,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:18:46,225 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:18:46,225 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:18:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-09-25 02:18:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 02:18:46,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:46,256 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] [2020-09-25 02:18:46,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:46,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1015859133, now seen corresponding path program 1 times [2020-09-25 02:18:46,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:46,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349014112] [2020-09-25 02:18:46,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:46,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:46,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:46,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:47,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:18:47,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:18:47,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-09-25 02:18:47,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:47,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:47,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 02:18:47,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:18:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:47,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:47,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:47,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:18:47,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:47,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:47,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:47,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 02:18:47,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:47,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:47,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:47,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:47,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:18:47,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:47,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:47,369 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 02:18:47,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349014112] [2020-09-25 02:18:47,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:47,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 02:18:47,375 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031737275] [2020-09-25 02:18:47,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 02:18:47,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:47,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 02:18:47,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 02:18:47,407 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-09-25 02:18:47,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:47,672 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-09-25 02:18:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 02:18:47,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-09-25 02:18:47,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:47,685 INFO L225 Difference]: With dead ends: 145 [2020-09-25 02:18:47,685 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 02:18:47,689 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 02:18:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 02:18:47,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-25 02:18:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-25 02:18:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-25 02:18:47,736 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 39 [2020-09-25 02:18:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:47,737 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-25 02:18:47,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 02:18:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-25 02:18:47,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-25 02:18:47,739 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:47,739 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] [2020-09-25 02:18:47,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:18:47,740 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:47,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:47,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1834550526, now seen corresponding path program 1 times [2020-09-25 02:18:47,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:47,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603786050] [2020-09-25 02:18:47,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:47,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:48,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:49,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:49,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 02:18:49,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 02:18:49,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2057 [2020-09-25 02:18:49,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:18:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-25 02:18:49,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:18:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 02:18:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:49,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:49,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:49,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:18:49,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:49,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:18:49,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:49,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:49,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:49,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:49,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:18:49,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:49,940 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 02:18:49,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603786050] [2020-09-25 02:18:49,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:49,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:18:49,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937889962] [2020-09-25 02:18:49,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:18:49,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:49,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:18:49,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:18:49,946 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 6 states. [2020-09-25 02:18:50,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:50,340 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2020-09-25 02:18:50,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 02:18:50,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-25 02:18:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:50,348 INFO L225 Difference]: With dead ends: 153 [2020-09-25 02:18:50,349 INFO L226 Difference]: Without dead ends: 104 [2020-09-25 02:18:50,350 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 [2020-09-25 02:18:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-25 02:18:50,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 76. [2020-09-25 02:18:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-25 02:18:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-25 02:18:50,384 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 39 [2020-09-25 02:18:50,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:50,385 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-25 02:18:50,385 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:18:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-25 02:18:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 02:18:50,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:50,390 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 02:18:50,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:18:50,391 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:50,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:50,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1779508689, now seen corresponding path program 1 times [2020-09-25 02:18:50,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:50,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129486175] [2020-09-25 02:18:50,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 02:18:50,436 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 02:18:50,437 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 02:18:50,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:18:50,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:18:50 BoogieIcfgContainer [2020-09-25 02:18:50,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:18:50,495 INFO L168 Benchmark]: Toolchain (without parser) took 5305.17 ms. Allocated memory was 138.4 MB in the beginning and 248.5 MB in the end (delta: 110.1 MB). Free memory was 101.8 MB in the beginning and 93.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,498 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.30 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 180.7 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,501 INFO L168 Benchmark]: Boogie Preprocessor took 51.03 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 178.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,502 INFO L168 Benchmark]: RCFGBuilder took 446.32 ms. Allocated memory is still 201.9 MB. Free memory was 178.2 MB in the beginning and 156.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,506 INFO L168 Benchmark]: TraceAbstraction took 4342.78 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 155.4 MB in the beginning and 93.7 MB in the end (delta: 61.7 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:50,523 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 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 448.30 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.2 MB in the beginning and 180.7 MB in the end (delta: -79.6 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.03 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 178.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 446.32 ms. Allocated memory is still 201.9 MB. Free memory was 178.2 MB in the beginning and 156.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4342.78 ms. Allocated memory was 201.9 MB in the beginning and 248.5 MB in the end (delta: 46.7 MB). Free memory was 155.4 MB in the beginning and 93.7 MB in the end (delta: 61.7 MB). Peak memory consumption was 108.4 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); [L28] long long *b = malloc(sizeof(long long)*N); [L30] sum[0] = 0 [L31] i=0 [L31] COND TRUE i