/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --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/s42iff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:26:16,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:26:16,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:26:17,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:26:17,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:26:17,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:26:17,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:26:17,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:26:17,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:26:17,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:26:17,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:26:17,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:26:17,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:26:17,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:26:17,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:26:17,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:26:17,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:26:17,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:26:17,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:26:17,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:26:17,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:26:17,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:26:17,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:26:17,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:26:17,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:26:17,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:26:17,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:26:17,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:26:17,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:26:17,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:26:17,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:26:17,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:26:17,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:26:17,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:26:17,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:26:17,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:26:17,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:26:17,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:26:17,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:26:17,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:26:17,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:26:17,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:26:17,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:26:17,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:26:17,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:26:17,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:26:17,127 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:26:17,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:26:17,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:26:17,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:26:17,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:26:17,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:26:17,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:26:17,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:26:17,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:26:17,131 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:26:17,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:26:17,132 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:26:17,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:26:17,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:26:17,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:26:17,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:26:17,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:26:17,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:26:17,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:26:17,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:26:17,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:26:17,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:26:17,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:26:17,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:26:17,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:26:17,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:26:17,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:26:17,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:26:17,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:26:17,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:26:17,588 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:26:17,589 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s42iff.c [2020-09-25 03:26:17,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6022575fb/229b25f2650445c38f89223e13b9ce8c/FLAGfdfb9625c [2020-09-25 03:26:18,243 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:26:18,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s42iff.c [2020-09-25 03:26:18,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6022575fb/229b25f2650445c38f89223e13b9ce8c/FLAGfdfb9625c [2020-09-25 03:26:18,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6022575fb/229b25f2650445c38f89223e13b9ce8c [2020-09-25 03:26:18,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:26:18,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:26:18,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:18,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:26:18,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:26:18,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:18,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66145f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18, skipping insertion in model container [2020-09-25 03:26:18,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:18,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:26:18,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:26:18,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:18,915 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:26:18,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:26:18,963 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:26:18,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18 WrapperNode [2020-09-25 03:26:18,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:26:18,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:26:18,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:26:18,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:26:19,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... [2020-09-25 03:26:19,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:26:19,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:26:19,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:26:19,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:26:19,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:26:19,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:26:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:26:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:26:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 03:26:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:26:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:26:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:26:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:26:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 03:26:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:26:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:26:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:26:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:26:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:26:19,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:26:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:26:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:26:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:26:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:26:19,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:26:19,572 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 03:26:19,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:19 BoogieIcfgContainer [2020-09-25 03:26:19,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:26:19,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:26:19,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:26:19,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:26:19,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:26:18" (1/3) ... [2020-09-25 03:26:19,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:19, skipping insertion in model container [2020-09-25 03:26:19,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:26:18" (2/3) ... [2020-09-25 03:26:19,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:26:19, skipping insertion in model container [2020-09-25 03:26:19,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:26:19" (3/3) ... [2020-09-25 03:26:19,588 INFO L109 eAbstractionObserver]: Analyzing ICFG s42iff.c [2020-09-25 03:26:19,598 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:26:19,609 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:26:19,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:26:19,661 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:26:19,662 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:26:19,662 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:26:19,662 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:26:19,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:26:19,662 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:26:19,663 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:26:19,663 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:26:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-09-25 03:26:19,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 03:26:19,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:19,696 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] [2020-09-25 03:26:19,696 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:19,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash 350973390, now seen corresponding path program 1 times [2020-09-25 03:26:19,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:19,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762526036] [2020-09-25 03:26:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:19,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:19,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:20,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:20,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:26:20,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:26:20,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-25 03:26:20,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:20,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-25 03:26:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:20,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:26:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:20,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:20,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:20,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:20,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:26:20,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:20,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:20,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:20,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:20,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:20,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:20,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:20,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:20,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:20,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:26:20,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:20,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:20,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762526036] [2020-09-25 03:26:20,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:20,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 03:26:20,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176536662] [2020-09-25 03:26:20,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 03:26:20,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:20,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 03:26:20,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:26:20,411 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2020-09-25 03:26:20,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:20,670 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2020-09-25 03:26:20,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 03:26:20,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 03:26:20,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:20,686 INFO L225 Difference]: With dead ends: 143 [2020-09-25 03:26:20,687 INFO L226 Difference]: Without dead ends: 68 [2020-09-25 03:26:20,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 03:26:20,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-09-25 03:26:20,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-09-25 03:26:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-25 03:26:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2020-09-25 03:26:20,768 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 33 [2020-09-25 03:26:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:20,770 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2020-09-25 03:26:20,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 03:26:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2020-09-25 03:26:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 03:26:20,774 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:20,774 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] [2020-09-25 03:26:20,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:26:20,775 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:20,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:20,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1688115303, now seen corresponding path program 1 times [2020-09-25 03:26:20,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:20,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491147062] [2020-09-25 03:26:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:20,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:20,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:20,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 03:26:21,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:26:21,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-09-25 03:26:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 03:26:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:26:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:26:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:26:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:26:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:21,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:26:21,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:21,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:26:21,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:26:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:21,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:26:21,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 03:26:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:26:21,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:26:21,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:26:21,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:26:21,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:26:21,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:26:21,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:26:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:26:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:26:21,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:26:21,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:26:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:26:21,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491147062] [2020-09-25 03:26:21,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:26:21,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:26:21,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655668180] [2020-09-25 03:26:21,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:26:21,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:26:21,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:26:21,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:26:21,585 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand 5 states. [2020-09-25 03:26:21,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:26:21,810 INFO L93 Difference]: Finished difference Result 111 states and 121 transitions. [2020-09-25 03:26:21,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 03:26:21,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 03:26:21,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:26:21,813 INFO L225 Difference]: With dead ends: 111 [2020-09-25 03:26:21,813 INFO L226 Difference]: Without dead ends: 71 [2020-09-25 03:26:21,814 INFO L675 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 [2020-09-25 03:26:21,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-25 03:26:21,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-09-25 03:26:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-25 03:26:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2020-09-25 03:26:21,837 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 33 [2020-09-25 03:26:21,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:26:21,837 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2020-09-25 03:26:21,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:26:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2020-09-25 03:26:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-25 03:26:21,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:26:21,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:26:21,843 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:26:21,844 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:26:21,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:26:21,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1790069826, now seen corresponding path program 1 times [2020-09-25 03:26:21,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:26:21,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96208177] [2020-09-25 03:26:21,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:26:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 03:26:21,888 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 03:26:21,889 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 03:26:21,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:26:21,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:26:21 BoogieIcfgContainer [2020-09-25 03:26:21,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:26:21,930 INFO L168 Benchmark]: Toolchain (without parser) took 3324.26 ms. Allocated memory was 146.8 MB in the beginning and 234.4 MB in the end (delta: 87.6 MB). Free memory was 103.2 MB in the beginning and 132.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:21,932 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:26:21,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.71 ms. Allocated memory is still 146.8 MB. Free memory was 102.5 MB in the beginning and 91.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:21,934 INFO L168 Benchmark]: Boogie Preprocessor took 135.33 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 91.6 MB in the beginning and 180.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:21,936 INFO L168 Benchmark]: RCFGBuilder took 477.73 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 158.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:21,938 INFO L168 Benchmark]: TraceAbstraction took 2344.93 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 158.1 MB in the beginning and 132.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2020-09-25 03:26:21,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.71 ms. Allocated memory is still 146.8 MB. Free memory was 102.5 MB in the beginning and 91.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.33 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 91.6 MB in the beginning and 180.1 MB in the end (delta: -88.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.73 ms. Allocated memory is still 202.9 MB. Free memory was 180.1 MB in the beginning and 158.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2344.93 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 158.1 MB in the beginning and 132.6 MB in the end (delta: 25.5 MB). Peak memory consumption was 56.9 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); [L29] sum[0] = 1 [L30] i=0 [L30] COND TRUE i