/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/res1of.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:30:38,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:30:38,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:30:38,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:30:38,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:30:38,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:30:38,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:30:38,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:30:38,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:30:38,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:30:38,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:30:38,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:30:38,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:30:38,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:30:38,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:30:38,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:30:38,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:30:38,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:30:38,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:30:38,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:30:38,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:30:38,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:30:38,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:30:38,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:30:38,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:30:38,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:30:38,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:30:38,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:30:38,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:30:38,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:30:38,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:30:38,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:30:38,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:30:38,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:30:38,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:30:38,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:30:38,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:30:38,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:30:38,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:30:38,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:30:38,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:30:38,714 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 11:30:38,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:30:38,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:30:38,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:30:38,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:30:38,764 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:30:38,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:30:38,765 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:30:38,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:30:38,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:30:38,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:30:38,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:30:38,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:30:38,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:30:38,767 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:30:38,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:30:38,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:30:38,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:30:38,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:30:38,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:30:38,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:30:38,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:30:38,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:30:38,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:30:38,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:30:38,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:30:38,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:30:38,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:30:38,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:30:38,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:30:38,771 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 11:30:39,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:30:39,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:30:39,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:30:39,232 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:30:39,233 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:30:39,234 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/res1of.c [2020-09-21 11:30:39,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145f2dd1d/615576d2ab074bc3b5d700a5290f90be/FLAG3333eed97 [2020-09-21 11:30:39,907 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:30:39,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/res1of.c [2020-09-21 11:30:39,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145f2dd1d/615576d2ab074bc3b5d700a5290f90be/FLAG3333eed97 [2020-09-21 11:30:40,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/145f2dd1d/615576d2ab074bc3b5d700a5290f90be [2020-09-21 11:30:40,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:30:40,269 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:30:40,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:40,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:30:40,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:30:40,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244669af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40, skipping insertion in model container [2020-09-21 11:30:40,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:30:40,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:30:40,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:40,573 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:30:40,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:30:40,622 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:30:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40 WrapperNode [2020-09-21 11:30:40,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:30:40,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:30:40,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:30:40,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:30:40,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (1/1) ... [2020-09-21 11:30:40,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:30:40,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:30:40,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:30:40,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:30:40,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (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 11:30:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:30:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:30:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 11:30:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-21 11:30:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:30:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:30:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 11:30:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 11:30:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-21 11:30:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:30:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:30:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:30:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:30:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:30:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:30:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:30:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:30:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:30:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:30:41,147 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:30:41,147 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-21 11:30:41,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:41 BoogieIcfgContainer [2020-09-21 11:30:41,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:30:41,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:30:41,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:30:41,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:30:41,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:30:40" (1/3) ... [2020-09-21 11:30:41,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9734c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:41, skipping insertion in model container [2020-09-21 11:30:41,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:30:40" (2/3) ... [2020-09-21 11:30:41,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd9734c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:30:41, skipping insertion in model container [2020-09-21 11:30:41,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:30:41" (3/3) ... [2020-09-21 11:30:41,164 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2020-09-21 11:30:41,177 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:30:41,188 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:30:41,229 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:30:41,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:30:41,264 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:30:41,264 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:30:41,265 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:30:41,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:30:41,265 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:30:41,265 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:30:41,265 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:30:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-09-21 11:30:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:30:41,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:41,296 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] [2020-09-21 11:30:41,297 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1562148239, now seen corresponding path program 1 times [2020-09-21 11:30:41,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:41,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625322248] [2020-09-21 11:30:41,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:41,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:41,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:41,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:41,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:41,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:30:41,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:30:41,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:30:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:41,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:41,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:41,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:41,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:41,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:41,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:41,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:41,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:41,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:41,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:41,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:41,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:30:41,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:30:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:41,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:41,582 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 11:30:41,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625322248] [2020-09-21 11:30:41,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:41,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:30:41,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379943000] [2020-09-21 11:30:41,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:30:41,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:41,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:30:41,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:30:41,612 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2020-09-21 11:30:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:41,745 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2020-09-21 11:30:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:30:41,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-09-21 11:30:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:41,758 INFO L225 Difference]: With dead ends: 64 [2020-09-21 11:30:41,759 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 11:30:41,764 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 11:30:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 11:30:41,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 11:30:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:30:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2020-09-21 11:30:41,818 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 25 [2020-09-21 11:30:41,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:41,818 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2020-09-21 11:30:41,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:30:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2020-09-21 11:30:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-09-21 11:30:41,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:41,821 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] [2020-09-21 11:30:41,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:30:41,821 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:41,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:41,822 INFO L82 PathProgramCache]: Analyzing trace with hash 369304979, now seen corresponding path program 1 times [2020-09-21 11:30:41,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:41,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652079732] [2020-09-21 11:30:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:41,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:41,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:41,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:41,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:41,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-21 11:30:41,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:41,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 11:30:41,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:41,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:30:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:30:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:30:41,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:30:42,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:30:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:42,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:42,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:42,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:42,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:42,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:30:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:30:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:30:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:30:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 11:30:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:30:42,069 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:30:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:30:42,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:30:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:30:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:30:42,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:30:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:30:42,088 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 11:30:42,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652079732] [2020-09-21 11:30:42,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:30:42,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:30:42,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386816742] [2020-09-21 11:30:42,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:30:42,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:30:42,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:30:42,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:30:42,095 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 5 states. [2020-09-21 11:30:42,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:30:42,238 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2020-09-21 11:30:42,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:30:42,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-09-21 11:30:42,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:30:42,240 INFO L225 Difference]: With dead ends: 53 [2020-09-21 11:30:42,240 INFO L226 Difference]: Without dead ends: 38 [2020-09-21 11:30:42,242 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 11:30:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-21 11:30:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2020-09-21 11:30:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-09-21 11:30:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2020-09-21 11:30:42,252 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 25 [2020-09-21 11:30:42,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:30:42,252 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2020-09-21 11:30:42,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:30:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2020-09-21 11:30:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-21 11:30:42,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:30:42,254 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] [2020-09-21 11:30:42,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:30:42,255 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:30:42,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:30:42,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1815337701, now seen corresponding path program 1 times [2020-09-21 11:30:42,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:30:42,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362736862] [2020-09-21 11:30:42,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:30:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:30:42,370 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:30:42,372 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:30:42,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:30:42,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:30:42 BoogieIcfgContainer [2020-09-21 11:30:42,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:30:42,414 INFO L168 Benchmark]: Toolchain (without parser) took 2144.86 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.9 MB in the beginning and 92.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 72.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:42,416 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:30:42,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.86 ms. Allocated memory is still 140.0 MB. Free memory was 101.3 MB in the beginning and 90.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:42,418 INFO L168 Benchmark]: Boogie Preprocessor took 125.82 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 90.6 MB in the beginning and 179.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:42,420 INFO L168 Benchmark]: RCFGBuilder took 403.71 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 161.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:42,422 INFO L168 Benchmark]: TraceAbstraction took 1252.89 ms. Allocated memory is still 202.4 MB. Free memory was 161.2 MB in the beginning and 92.0 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:30:42,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.86 ms. Allocated memory is still 140.0 MB. Free memory was 101.3 MB in the beginning and 90.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.82 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 90.6 MB in the beginning and 179.7 MB in the end (delta: -89.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 403.71 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 161.2 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1252.89 ms. Allocated memory is still 202.4 MB. Free memory was 161.2 MB in the beginning and 92.0 MB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 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] int *a = malloc(sizeof(int)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 0 [L31] i=0 [L31] COND TRUE i