/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina5f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:09:22,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:09:22,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:09:22,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:09:22,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:09:22,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:09:22,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:09:22,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:09:22,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:09:22,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:09:22,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:09:22,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:09:22,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:09:22,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:09:22,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:09:22,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:09:22,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:09:22,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:09:22,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:09:22,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:09:22,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:09:22,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:09:22,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:09:22,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:09:22,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:09:22,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:09:22,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:09:22,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:09:22,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:09:22,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:09:22,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:09:22,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:09:22,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:09:22,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:09:22,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:09:22,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:09:22,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:09:22,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:09:22,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:09:22,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:09:22,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:09:22,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 01:09:22,678 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:09:22,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:09:22,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:09:22,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:09:22,680 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:09:22,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:09:22,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:09:22,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:09:22,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:09:22,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:09:22,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:09:22,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:09:22,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:09:22,682 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:09:22,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:09:22,682 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:09:22,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:09:22,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:09:22,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:09:22,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:09:22,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:09:22,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:22,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:09:22,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:09:22,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:09:22,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:09:22,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:09:22,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:09:22,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:09:22,685 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 01:09:23,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:09:23,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:09:23,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:09:23,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:09:23,206 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:09:23,207 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina5f.c [2020-09-25 01:09:23,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b61f587/726d685670dc4df7bbe7f80c36aa4164/FLAG60a1d65e2 [2020-09-25 01:09:23,853 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:09:23,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina5f.c [2020-09-25 01:09:23,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b61f587/726d685670dc4df7bbe7f80c36aa4164/FLAG60a1d65e2 [2020-09-25 01:09:24,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/45b61f587/726d685670dc4df7bbe7f80c36aa4164 [2020-09-25 01:09:24,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:09:24,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:09:24,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:24,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:09:24,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:09:24,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749394c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24, skipping insertion in model container [2020-09-25 01:09:24,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:09:24,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:09:24,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:24,497 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:09:24,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:09:24,548 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:09:24,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24 WrapperNode [2020-09-25 01:09:24,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:09:24,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:09:24,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:09:24,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:09:24,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... [2020-09-25 01:09:24,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:09:24,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:09:24,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:09:24,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:09:24,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:09:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:09:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:09:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 01:09:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 01:09:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:09:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:09:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 01:09:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:09:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:09:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:09:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:09:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:09:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:09:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:09:25,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:09:25,174 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 01:09:25,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:25 BoogieIcfgContainer [2020-09-25 01:09:25,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:09:25,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:09:25,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:09:25,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:09:25,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:24" (1/3) ... [2020-09-25 01:09:25,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e0095d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:25, skipping insertion in model container [2020-09-25 01:09:25,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:24" (2/3) ... [2020-09-25 01:09:25,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e0095d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:25, skipping insertion in model container [2020-09-25 01:09:25,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:25" (3/3) ... [2020-09-25 01:09:25,201 INFO L109 eAbstractionObserver]: Analyzing ICFG sina5f.c [2020-09-25 01:09:25,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:09:25,219 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:09:25,238 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:09:25,267 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:09:25,267 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:09:25,268 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:09:25,268 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:09:25,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:09:25,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:09:25,268 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:09:25,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:09:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-09-25 01:09:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-25 01:09:25,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:25,304 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] [2020-09-25 01:09:25,304 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:25,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:25,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1932017966, now seen corresponding path program 1 times [2020-09-25 01:09:25,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:25,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624157559] [2020-09-25 01:09:25,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:25,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:25,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 01:09:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 01:09:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1253 [2020-09-25 01:09:26,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-25 01:09:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:09:26,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:26,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:26,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 01:09:26,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:26,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:26,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:26,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:26,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 01:09:26,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:26,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:26,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:26,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:09:26,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624157559] [2020-09-25 01:09:26,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:26,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:09:26,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130438621] [2020-09-25 01:09:26,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:09:26,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:26,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:09:26,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:26,980 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 3 states. [2020-09-25 01:09:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:27,260 INFO L93 Difference]: Finished difference Result 161 states and 188 transitions. [2020-09-25 01:09:27,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:09:27,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-09-25 01:09:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:27,276 INFO L225 Difference]: With dead ends: 161 [2020-09-25 01:09:27,277 INFO L226 Difference]: Without dead ends: 80 [2020-09-25 01:09:27,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:09:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-25 01:09:27,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-09-25 01:09:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-25 01:09:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2020-09-25 01:09:27,338 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 41 [2020-09-25 01:09:27,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:27,339 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2020-09-25 01:09:27,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:09:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2020-09-25 01:09:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-25 01:09:27,341 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:27,341 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] [2020-09-25 01:09:27,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:09:27,342 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:27,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:27,343 INFO L82 PathProgramCache]: Analyzing trace with hash -690131343, now seen corresponding path program 1 times [2020-09-25 01:09:27,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:27,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603747524] [2020-09-25 01:09:27,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:27,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:28,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:32,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:32,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-25 01:09:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 01:09:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 01:09:32,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:09:32,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-09-25 01:09:32,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:09:32,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:09:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:32,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:32,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:32,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:09:32,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:09:32,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:09:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:09:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:09:32,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:09:32,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:09:32,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 01:09:32,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:09:32,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:09:32,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 01:09:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:09:32,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:09:32,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:09:32,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:09:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:09:32,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603747524] [2020-09-25 01:09:32,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:09:32,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:09:32,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762044379] [2020-09-25 01:09:32,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:09:32,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:09:32,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:09:32,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:09:32,492 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 6 states. [2020-09-25 01:09:33,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:09:33,133 INFO L93 Difference]: Finished difference Result 177 states and 196 transitions. [2020-09-25 01:09:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 01:09:33,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-09-25 01:09:33,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:09:33,139 INFO L225 Difference]: With dead ends: 177 [2020-09-25 01:09:33,140 INFO L226 Difference]: Without dead ends: 118 [2020-09-25 01:09:33,142 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 01:09:33,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-09-25 01:09:33,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 85. [2020-09-25 01:09:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-25 01:09:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2020-09-25 01:09:33,175 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 41 [2020-09-25 01:09:33,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:09:33,176 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2020-09-25 01:09:33,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:09:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2020-09-25 01:09:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-09-25 01:09:33,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:09:33,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:09:33,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:09:33,179 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:09:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:09:33,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1472096967, now seen corresponding path program 1 times [2020-09-25 01:09:33,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:09:33,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675760219] [2020-09-25 01:09:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:09:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 01:09:33,218 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 01:09:33,218 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 01:09:33,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:09:33,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 01:09:33 BoogieIcfgContainer [2020-09-25 01:09:33,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 01:09:33,250 INFO L168 Benchmark]: Toolchain (without parser) took 9043.86 ms. Allocated memory was 147.8 MB in the beginning and 272.6 MB in the end (delta: 124.8 MB). Free memory was 103.9 MB in the beginning and 183.4 MB in the end (delta: -79.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,251 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.54 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 92.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,253 INFO L168 Benchmark]: Boogie Preprocessor took 146.10 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 92.6 MB in the beginning and 181.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,254 INFO L168 Benchmark]: RCFGBuilder took 485.73 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 158.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,255 INFO L168 Benchmark]: TraceAbstraction took 8053.94 ms. Allocated memory was 204.5 MB in the beginning and 272.6 MB in the end (delta: 68.2 MB). Free memory was 157.3 MB in the beginning and 183.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2020-09-25 01:09:33,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 336.54 ms. Allocated memory is still 147.8 MB. Free memory was 103.5 MB in the beginning and 92.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.10 ms. Allocated memory was 147.8 MB in the beginning and 204.5 MB in the end (delta: 56.6 MB). Free memory was 92.6 MB in the beginning and 181.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 485.73 ms. Allocated memory is still 204.5 MB. Free memory was 181.7 MB in the beginning and 158.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8053.94 ms. Allocated memory was 204.5 MB in the beginning and 272.6 MB in the end (delta: 68.2 MB). Free memory was 157.3 MB in the beginning and 183.4 MB in the end (delta: -26.1 MB). Peak memory consumption was 42.1 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