/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-fpi/sina2f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:50,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:50,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:50,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:50,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:50,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:50,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:50,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:50,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:50,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:50,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:50,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:50,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:50,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:50,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:50,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:50,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:50,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:50,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:50,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:50,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:50,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:50,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:50,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:50,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:50,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:50,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:50,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:50,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:50,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:50,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:50,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:50,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:50,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:50,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:50,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:50,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:50,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:50,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:50,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:50,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:50,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:30:50,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:50,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:50,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:50,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:50,411 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:50,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:50,412 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:50,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:50,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:50,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:50,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:50,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:50,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:50,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:50,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:50,415 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:50,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:50,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:50,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:50,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:50,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:50,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:50,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:50,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:50,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:50,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:50,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:50,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:50,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:50,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:30:50,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:50,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:50,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:50,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:50,930 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:50,931 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-21 11:30:51,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0090015be/61d7cbebdb5042efb0da448a93efaaef/FLAG997b6a3e6 [2020-09-21 11:30:51,549 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:51,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina2f.c [2020-09-21 11:30:51,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0090015be/61d7cbebdb5042efb0da448a93efaaef/FLAG997b6a3e6 [2020-09-21 11:30:51,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0090015be/61d7cbebdb5042efb0da448a93efaaef [2020-09-21 11:30:51,892 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:51,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:51,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:51,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:51,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:51,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:51" (1/1) ... [2020-09-21 11:30:51,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc4fd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:51, skipping insertion in model container [2020-09-21 11:30:51,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:51" (1/1) ... [2020-09-21 11:30:51,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:51,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:52,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:52,208 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:52,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:52,250 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:52,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52 WrapperNode [2020-09-21 11:30:52,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:52,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:52,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:52,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:52,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... [2020-09-21 11:30:52,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:52,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:52,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:52,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:52,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:52,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:52,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:52,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:52,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:52,785 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 11:30:52,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:52 BoogieIcfgContainer [2020-09-21 11:30:52,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:52,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:52,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:52,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:52,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:51" (1/3) ... [2020-09-21 11:30:52,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae194a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:52, skipping insertion in model container [2020-09-21 11:30:52,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:52" (2/3) ... [2020-09-21 11:30:52,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae194a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:52, skipping insertion in model container [2020-09-21 11:30:52,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:52" (3/3) ... [2020-09-21 11:30:52,801 INFO L109 eAbstractionObserver]: Analyzing ICFG sina2f.c [2020-09-21 11:30:52,815 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:52,825 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:52,850 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:52,887 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:52,887 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:52,887 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:52,887 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:52,888 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:52,888 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:52,888 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:52,888 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-09-21 11:30:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 11:30:52,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:52,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:52,924 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:52,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:52,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1155719453, now seen corresponding path program 1 times [2020-09-21 11:30:52,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:52,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264891750] [2020-09-21 11:30:52,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:30:53,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:53,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:53,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:53,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:53,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:53,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:53,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:53,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264891750] [2020-09-21 11:30:53,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:53,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:53,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467091708] [2020-09-21 11:30:53,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:53,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:53,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:53,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:53,246 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-09-21 11:30:53,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:53,400 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2020-09-21 11:30:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:53,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-09-21 11:30:53,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:53,419 INFO L225 Difference]: With dead ends: 64 [2020-09-21 11:30:53,420 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 11:30:53,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:53,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 11:30:53,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-09-21 11:30:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:30:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2020-09-21 11:30:53,476 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 24 [2020-09-21 11:30:53,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:53,477 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2020-09-21 11:30:53,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2020-09-21 11:30:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-09-21 11:30:53,479 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:53,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:53,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:53,480 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:53,481 INFO L82 PathProgramCache]: Analyzing trace with hash -124144225, now seen corresponding path program 1 times [2020-09-21 11:30:53,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:53,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1196163753] [2020-09-21 11:30:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,568 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:30:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:30:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:53,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:53,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:53,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:53,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:53,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:53,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:53,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:53,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:53,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:53,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:53,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:53,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:53,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:30:53,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1196163753] [2020-09-21 11:30:53,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:53,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:53,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091975552] [2020-09-21 11:30:53,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:53,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:53,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:53,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:53,698 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 5 states. [2020-09-21 11:30:53,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:53,866 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2020-09-21 11:30:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:53,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-09-21 11:30:53,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:53,871 INFO L225 Difference]: With dead ends: 59 [2020-09-21 11:30:53,871 INFO L226 Difference]: Without dead ends: 42 [2020-09-21 11:30:53,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:30:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-21 11:30:53,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2020-09-21 11:30:53,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-21 11:30:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2020-09-21 11:30:53,889 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 24 [2020-09-21 11:30:53,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:53,889 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2020-09-21 11:30:53,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2020-09-21 11:30:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-21 11:30:53,891 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:53,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:30:53,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:53,892 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:53,893 INFO L82 PathProgramCache]: Analyzing trace with hash -191015719, now seen corresponding path program 1 times [2020-09-21 11:30:53,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:53,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926477822] [2020-09-21 11:30:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:30:53,999 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:30:53,999 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:54,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:54,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:54 BoogieIcfgContainer [2020-09-21 11:30:54,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:54,030 INFO L168 Benchmark]: Toolchain (without parser) took 2134.48 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 101.6 MB in the beginning and 87.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,031 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:54,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.25 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 90.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,033 INFO L168 Benchmark]: Boogie Preprocessor took 113.81 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 90.4 MB in the beginning and 177.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,034 INFO L168 Benchmark]: RCFGBuilder took 425.88 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 158.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,035 INFO L168 Benchmark]: TraceAbstraction took 1233.58 ms. Allocated memory is still 199.8 MB. Free memory was 158.1 MB in the beginning and 87.6 MB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:54,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.25 ms. Allocated memory is still 138.4 MB. Free memory was 100.9 MB in the beginning and 90.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.81 ms. Allocated memory was 138.4 MB in the beginning and 199.8 MB in the end (delta: 61.3 MB). Free memory was 90.4 MB in the beginning and 177.6 MB in the end (delta: -87.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 425.88 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 158.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1233.58 ms. Allocated memory is still 199.8 MB. Free memory was 158.1 MB in the beginning and 87.6 MB in the end (delta: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i