/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -i ../../../trunk/examples/svcomp/array-fpi/res2f.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 14:39:23,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 14:39:23,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 14:39:23,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 14:39:23,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 14:39:23,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 14:39:23,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 14:39:23,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 14:39:23,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 14:39:23,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 14:39:23,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 14:39:23,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 14:39:23,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 14:39:23,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 14:39:23,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 14:39:23,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 14:39:23,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 14:39:23,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 14:39:23,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 14:39:23,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 14:39:23,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 14:39:23,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 14:39:23,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 14:39:23,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 14:39:23,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 14:39:23,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 14:39:23,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 14:39:23,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 14:39:23,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 14:39:23,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 14:39:23,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 14:39:23,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 14:39:23,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 14:39:23,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 14:39:23,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 14:39:23,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 14:39:23,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 14:39:23,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 14:39:23,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 14:39:23,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 14:39:23,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 14:39:23,346 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 [2020-10-27 14:39:23,398 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 14:39:23,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 14:39:23,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 14:39:23,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 14:39:23,403 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 14:39:23,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 14:39:23,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 14:39:23,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 14:39:23,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 14:39:23,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 14:39:23,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 14:39:23,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 14:39:23,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 14:39:23,407 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 14:39:23,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 14:39:23,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 14:39:23,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 14:39:23,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 14:39:23,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 14:39:23,408 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 14:39:23,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 14:39:23,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 14:39:23,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 14:39:23,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 14:39:23,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 14:39:23,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 14:39:23,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 14:39:23,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 14:39:23,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 14:39:23,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 14:39:23,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 14:39:23,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 14:39:23,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 14:39:23,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 14:39:23,909 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 14:39:23,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res2f.c [2020-10-27 14:39:24,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a39eec6b/1b7722aa36de4fecab40f277093718f0/FLAGa9f2682cb [2020-10-27 14:39:24,649 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 14:39:24,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res2f.c [2020-10-27 14:39:24,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a39eec6b/1b7722aa36de4fecab40f277093718f0/FLAGa9f2682cb [2020-10-27 14:39:24,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1a39eec6b/1b7722aa36de4fecab40f277093718f0 [2020-10-27 14:39:24,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 14:39:25,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 14:39:25,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 14:39:25,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 14:39:25,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 14:39:25,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:39:24" (1/1) ... [2020-10-27 14:39:25,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1f9ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25, skipping insertion in model container [2020-10-27 14:39:25,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:39:24" (1/1) ... [2020-10-27 14:39:25,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 14:39:25,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 14:39:25,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:39:25,303 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 14:39:25,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 14:39:25,400 INFO L208 MainTranslator]: Completed translation [2020-10-27 14:39:25,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25 WrapperNode [2020-10-27 14:39:25,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 14:39:25,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 14:39:25,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 14:39:25,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 14:39:25,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (1/1) ... [2020-10-27 14:39:25,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 14:39:25,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 14:39:25,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 14:39:25,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 14:39:25,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (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 [2020-10-27 14:39:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 14:39:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 14:39:25,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 14:39:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 14:39:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 14:39:25,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 14:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 14:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 14:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 14:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 14:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 14:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 14:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 14:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 14:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 14:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 14:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 14:39:26,176 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 14:39:26,177 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 14:39:26,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:39:26 BoogieIcfgContainer [2020-10-27 14:39:26,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 14:39:26,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 14:39:26,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 14:39:26,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 14:39:26,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:39:24" (1/3) ... [2020-10-27 14:39:26,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30973df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:39:26, skipping insertion in model container [2020-10-27 14:39:26,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:39:25" (2/3) ... [2020-10-27 14:39:26,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30973df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:39:26, skipping insertion in model container [2020-10-27 14:39:26,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:39:26" (3/3) ... [2020-10-27 14:39:26,193 INFO L111 eAbstractionObserver]: Analyzing ICFG res2f.c [2020-10-27 14:39:26,208 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 14:39:26,214 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 14:39:26,230 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 14:39:26,276 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 14:39:26,276 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 14:39:26,276 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 14:39:26,277 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 14:39:26,277 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 14:39:26,277 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 14:39:26,277 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 14:39:26,277 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 14:39:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-27 14:39:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 14:39:26,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:26,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:39:26,314 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:26,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1686177906, now seen corresponding path program 1 times [2020-10-27 14:39:26,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:26,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201093004] [2020-10-27 14:39:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:26,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:26,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:26,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:26,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:27,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:30,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 14:39:30,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 14:39:30,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3784 [2020-10-27 14:39:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 14:39:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 14:39:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:39:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:30,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:39:30,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:30,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 14:39:30,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:30,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:30,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:39:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:30,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:30,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:39:30,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 14:39:30,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 14:39:30,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 14:39:30,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:30,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:39:30,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201093004] [2020-10-27 14:39:30,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:39:30,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 14:39:30,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129889950] [2020-10-27 14:39:30,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 14:39:30,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:39:30,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 14:39:30,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 14:39:30,497 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 3 states. [2020-10-27 14:39:30,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:39:30,703 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2020-10-27 14:39:30,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 14:39:30,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-10-27 14:39:30,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:39:30,715 INFO L225 Difference]: With dead ends: 81 [2020-10-27 14:39:30,715 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 14:39:30,719 INFO L677 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 [2020-10-27 14:39:30,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 14:39:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-27 14:39:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 14:39:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2020-10-27 14:39:30,773 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 30 [2020-10-27 14:39:30,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:39:30,774 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2020-10-27 14:39:30,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 14:39:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2020-10-27 14:39:30,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 14:39:30,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:30,776 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 14:39:30,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 14:39:30,776 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:30,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:30,777 INFO L82 PathProgramCache]: Analyzing trace with hash -961350168, now seen corresponding path program 1 times [2020-10-27 14:39:30,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:30,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872286247] [2020-10-27 14:39:30,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:30,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:32,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 14:39:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 14:39:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 14:39:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 14:39:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 14:39:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 14:39:35,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:35,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 14:39:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:35,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 14:39:35,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:35,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 14:39:35,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 14:39:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:35,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 14:39:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:35,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 14:39:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 14:39:35,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 14:39:35,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 14:39:35,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 14:39:35,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 14:39:35,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 14:39:35,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 14:39:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 14:39:35,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 14:39:35,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 14:39:35,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 14:39:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 14:39:35,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872286247] [2020-10-27 14:39:35,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 14:39:35,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 14:39:35,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291976889] [2020-10-27 14:39:35,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 14:39:35,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 14:39:35,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 14:39:35,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 14:39:35,894 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand 5 states. [2020-10-27 14:39:36,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 14:39:36,094 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2020-10-27 14:39:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 14:39:36,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-27 14:39:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 14:39:36,097 INFO L225 Difference]: With dead ends: 65 [2020-10-27 14:39:36,097 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 14:39:36,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-27 14:39:36,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 14:39:36,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 14:39:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 14:39:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-27 14:39:36,111 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 30 [2020-10-27 14:39:36,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 14:39:36,112 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-27 14:39:36,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 14:39:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-27 14:39:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 14:39:36,114 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 14:39:36,114 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] [2020-10-27 14:39:36,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 14:39:36,114 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 14:39:36,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 14:39:36,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1706440668, now seen corresponding path program 1 times [2020-10-27 14:39:36,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 14:39:36,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375020551] [2020-10-27 14:39:36,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 14:39:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 14:39:36,147 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 14:39:36,147 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 14:39:36,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 14:39:36,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 02:39:36 BoogieIcfgContainer [2020-10-27 14:39:36,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 14:39:36,174 INFO L168 Benchmark]: Toolchain (without parser) took 11178.60 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 126.4 MB in the beginning and 142.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 96.0 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:36,175 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 14:39:36,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:36,180 INFO L168 Benchmark]: Boogie Preprocessor took 58.92 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:36,181 INFO L168 Benchmark]: RCFGBuilder took 716.58 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 125.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:36,182 INFO L168 Benchmark]: TraceAbstraction took 9990.21 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 125.3 MB in the beginning and 142.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 94.4 MB. Max. memory is 8.0 GB. [2020-10-27 14:39:36,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 396.32 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.6 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 58.92 ms. Allocated memory is still 151.0 MB. Free memory was 115.6 MB in the beginning and 114.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 716.58 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 125.8 MB in the end (delta: -12.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9990.21 ms. Allocated memory was 151.0 MB in the beginning and 262.1 MB in the end (delta: 111.1 MB). Free memory was 125.3 MB in the beginning and 142.6 MB in the end (delta: -17.3 MB). Peak memory consumption was 94.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 1 [L34] i=0 [L34] COND TRUE i