/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 SequenceOfStatements --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 --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/condnf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:06:23,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:06:23,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:06:23,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:06:23,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:06:23,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:06:23,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:06:23,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:06:23,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:06:23,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:06:23,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:06:23,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:06:23,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:06:23,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:06:23,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:06:23,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:06:23,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:06:23,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:06:23,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:06:23,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:06:23,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:06:23,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:06:23,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:06:23,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:06:23,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:06:23,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:06:23,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:06:23,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:06:23,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:06:23,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:06:23,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:06:23,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:06:23,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:06:23,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:06:23,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:06:23,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:06:23,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:06:23,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:06:23,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:06:23,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:06:23,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:06:23,218 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 [2020-10-13 05:06:23,240 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:06:23,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:06:23,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:06:23,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:06:23,242 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:06:23,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:06:23,242 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:06:23,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:06:23,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:06:23,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:06:23,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:06:23,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:06:23,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:06:23,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:06:23,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:06:23,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:06:23,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:06:23,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:06:23,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:06:23,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:06:23,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:06:23,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:06:23,246 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:06:23,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:06:23,247 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 -> SequenceOfStatements 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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=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;unknown-allowed=true; [2020-10-13 05:06:23,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:06:23,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:06:23,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:06:23,594 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:06:23,594 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:06:23,595 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/condnf.c [2020-10-13 05:06:23,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/736b18d74/c66d425fdf714482a455f3bed4665528/FLAG68123f778 [2020-10-13 05:06:24,118 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:06:24,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/condnf.c [2020-10-13 05:06:24,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/736b18d74/c66d425fdf714482a455f3bed4665528/FLAG68123f778 [2020-10-13 05:06:24,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/736b18d74/c66d425fdf714482a455f3bed4665528 [2020-10-13 05:06:24,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:06:24,515 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:06:24,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:06:24,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:06:24,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:06:24,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b337bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24, skipping insertion in model container [2020-10-13 05:06:24,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:06:24,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:06:24,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:06:24,751 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:06:24,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:06:24,790 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:06:24,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24 WrapperNode [2020-10-13 05:06:24,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:06:24,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:06:24,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:06:24,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:06:24,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (1/1) ... [2020-10-13 05:06:24,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:06:24,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:06:24,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:06:24,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:06:24,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (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 [2020-10-13 05:06:25,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:06:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:06:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 05:06:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 05:06:25,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:06:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:06:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 05:06:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 05:06:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 05:06:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 05:06:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:06:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:06:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 05:06:25,390 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:06:25,391 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-13 05:06:25,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:25 BoogieIcfgContainer [2020-10-13 05:06:25,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:06:25,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:06:25,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:06:25,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:06:25,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:06:24" (1/3) ... [2020-10-13 05:06:25,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e2320b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:06:25, skipping insertion in model container [2020-10-13 05:06:25,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:06:24" (2/3) ... [2020-10-13 05:06:25,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e2320b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:06:25, skipping insertion in model container [2020-10-13 05:06:25,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:06:25" (3/3) ... [2020-10-13 05:06:25,404 INFO L109 eAbstractionObserver]: Analyzing ICFG condnf.c [2020-10-13 05:06:25,415 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:06:25,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:06:25,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:06:25,464 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:06:25,464 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:06:25,464 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:06:25,464 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:06:25,465 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:06:25,465 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:06:25,465 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:06:25,465 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:06:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-13 05:06:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-13 05:06:25,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:06:25,491 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] [2020-10-13 05:06:25,492 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:06:25,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:06:25,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1524373234, now seen corresponding path program 1 times [2020-10-13 05:06:25,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:06:25,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057056281] [2020-10-13 05:06:25,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:06:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:25,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:25,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:25,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:25,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 05:06:26,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 05:06:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-13 05:06:26,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:06:26,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 05:06:26,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:06:26,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:06:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:06:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:06:26,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:06:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:06:26,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:06:26,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:06:26,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:06:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:06:26,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:06:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:06:26,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:06:26,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:06:26,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:06:26,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 05:06:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:06:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:06:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:06:26,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057056281] [2020-10-13 05:06:26,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:06:26,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:06:26,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016993974] [2020-10-13 05:06:26,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:06:26,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:06:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:06:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:06:26,426 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-10-13 05:06:26,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:06:26,565 INFO L93 Difference]: Finished difference Result 60 states and 77 transitions. [2020-10-13 05:06:26,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:06:26,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-13 05:06:26,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:06:26,581 INFO L225 Difference]: With dead ends: 60 [2020-10-13 05:06:26,581 INFO L226 Difference]: Without dead ends: 30 [2020-10-13 05:06:26,585 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 [2020-10-13 05:06:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-13 05:06:26,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-13 05:06:26,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 05:06:26,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-10-13 05:06:26,632 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22 [2020-10-13 05:06:26,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:06:26,633 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-10-13 05:06:26,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:06:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-10-13 05:06:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-13 05:06:26,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:06:26,635 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] [2020-10-13 05:06:26,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:06:26,635 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:06:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:06:26,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2111179248, now seen corresponding path program 1 times [2020-10-13 05:06:26,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:06:26,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118813105] [2020-10-13 05:06:26,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:06:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:26,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 05:06:26,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 05:06:26,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-13 05:06:26,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 05:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 05:06:26,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 05:06:26,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:06:26,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:06:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:06:26,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:06:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:06:26,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:06:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:06:26,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:06:26,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:06:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:06:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:06:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:06:26,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:06:26,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:06:26,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:06:26,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:06:26,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:06:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:06:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:06:26,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:06:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:06:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:06:27,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118813105] [2020-10-13 05:06:27,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:06:27,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 05:06:27,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268861720] [2020-10-13 05:06:27,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 05:06:27,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:06:27,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 05:06:27,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:06:27,008 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 6 states. [2020-10-13 05:06:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:06:27,272 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2020-10-13 05:06:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 05:06:27,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-13 05:06:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:06:27,278 INFO L225 Difference]: With dead ends: 57 [2020-10-13 05:06:27,279 INFO L226 Difference]: Without dead ends: 39 [2020-10-13 05:06:27,281 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 [2020-10-13 05:06:27,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-13 05:06:27,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2020-10-13 05:06:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-13 05:06:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-10-13 05:06:27,310 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 22 [2020-10-13 05:06:27,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:06:27,310 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-10-13 05:06:27,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 05:06:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-10-13 05:06:27,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 05:06:27,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:06:27,314 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] [2020-10-13 05:06:27,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:06:27,314 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:06:27,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:06:27,315 INFO L82 PathProgramCache]: Analyzing trace with hash 373909448, now seen corresponding path program 1 times [2020-10-13 05:06:27,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:06:27,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [144643769] [2020-10-13 05:06:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:06:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 05:06:27,348 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 05:06:27,348 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 05:06:27,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:06:27,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 05:06:27 BoogieIcfgContainer [2020-10-13 05:06:27,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 05:06:27,388 INFO L168 Benchmark]: Toolchain (without parser) took 2869.87 ms. Allocated memory was 138.4 MB in the beginning and 232.3 MB in the end (delta: 93.8 MB). Free memory was 101.6 MB in the beginning and 131.8 MB in the end (delta: -30.2 MB). Peak memory consumption was 63.6 MB. Max. memory is 7.1 GB. [2020-10-13 05:06:27,390 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 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. [2020-10-13 05:06:27,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.61 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-10-13 05:06:27,394 INFO L168 Benchmark]: Boogie Preprocessor took 148.14 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 178.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-10-13 05:06:27,395 INFO L168 Benchmark]: RCFGBuilder took 455.21 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 161.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2020-10-13 05:06:27,398 INFO L168 Benchmark]: TraceAbstraction took 1985.49 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 161.3 MB in the beginning and 131.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2020-10-13 05:06:27,413 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 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 275.61 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.14 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 91.0 MB in the beginning and 178.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.21 ms. Allocated memory is still 201.3 MB. Free memory was 178.6 MB in the beginning and 161.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1985.49 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 161.3 MB in the beginning and 131.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 60.4 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] int *a = malloc(sizeof(int)*N); [L28] i=0 [L28] COND TRUE i N [L36] EXPR a[i] [L36] a[i] = a[i] [L33] i++ [L33] COND FALSE !(i