/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=NARROWEST --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/modsf.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:18:16,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:18:16,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:18:16,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:18:16,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:18:16,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:18:16,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:18:16,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:18:16,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:18:16,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:18:16,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:18:16,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:18:16,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:18:16,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:18:16,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:18:16,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:18:16,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:18:16,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:18:16,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:18:16,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:18:16,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:18:16,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:18:16,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:18:16,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:18:17,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:18:17,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:18:17,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:18:17,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:18:17,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:18:17,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:18:17,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:18:17,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:18:17,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:18:17,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:18:17,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:18:17,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:18:17,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:18:17,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:18:17,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:18:17,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:18:17,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:18:17,020 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 02:18:17,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:18:17,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:18:17,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:18:17,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:18:17,050 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:18:17,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:18:17,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:18:17,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:18:17,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:18:17,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:18:17,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:18:17,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:18:17,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:18:17,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:18:17,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:18:17,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:18:17,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:18:17,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:18:17,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:18:17,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:18:17,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:18:17,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:18:17,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:18:17,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:18:17,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:18:17,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:18:17,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:18:17,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:18:17,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:18:17,055 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 02:18:17,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:18:17,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:18:17,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:18:17,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:18:17,563 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:18:17,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/modsf.c [2020-09-25 02:18:17,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a7dc3eb7/e46869dbd01e47e9b3ccdac19ba3fc5a/FLAG3c9f43673 [2020-09-25 02:18:18,245 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:18:18,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/modsf.c [2020-09-25 02:18:18,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a7dc3eb7/e46869dbd01e47e9b3ccdac19ba3fc5a/FLAG3c9f43673 [2020-09-25 02:18:18,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a7dc3eb7/e46869dbd01e47e9b3ccdac19ba3fc5a [2020-09-25 02:18:18,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:18:18,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:18:18,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:18:18,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:18:18,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:18:18,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:18" (1/1) ... [2020-09-25 02:18:18,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738c85d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:18, skipping insertion in model container [2020-09-25 02:18:18,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:18:18" (1/1) ... [2020-09-25 02:18:18,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:18:18,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:18:18,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:18:18,901 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:18:18,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:18:19,029 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:18:19,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19 WrapperNode [2020-09-25 02:18:19,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:18:19,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:18:19,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:18:19,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:18:19,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (1/1) ... [2020-09-25 02:18:19,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:18:19,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:18:19,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:18:19,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:18:19,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (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 02:18:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:18:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:18:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:18:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 02:18:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:18:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:18:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:18:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:18:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:18:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:18:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:18:19,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:18:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:18:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:18:19,549 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:18:19,550 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:18:19,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:19 BoogieIcfgContainer [2020-09-25 02:18:19,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:18:19,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:18:19,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:18:19,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:18:19,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:18:18" (1/3) ... [2020-09-25 02:18:19,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce21ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:19, skipping insertion in model container [2020-09-25 02:18:19,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:18:19" (2/3) ... [2020-09-25 02:18:19,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ce21ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:18:19, skipping insertion in model container [2020-09-25 02:18:19,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:18:19" (3/3) ... [2020-09-25 02:18:19,567 INFO L109 eAbstractionObserver]: Analyzing ICFG modsf.c [2020-09-25 02:18:19,580 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:18:19,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:18:19,613 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:18:19,644 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:18:19,645 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:18:19,645 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:18:19,645 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:18:19,645 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:18:19,645 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:18:19,645 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:18:19,645 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:18:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2020-09-25 02:18:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 02:18:19,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:19,681 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] [2020-09-25 02:18:19,681 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:19,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:19,689 INFO L82 PathProgramCache]: Analyzing trace with hash 731228111, now seen corresponding path program 1 times [2020-09-25 02:18:19,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:19,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065176665] [2020-09-25 02:18:19,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:19,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 02:18:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:18:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-09-25 02:18:20,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:20,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-09-25 02:18:20,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:20,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:18:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:20,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:20,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:20,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:20,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:18:20,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:20,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:20,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:20,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:20,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:20,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:18:20,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:20,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:20,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:20,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:20,316 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 02:18:20,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065176665] [2020-09-25 02:18:20,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:20,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 02:18:20,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056232219] [2020-09-25 02:18:20,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 02:18:20,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:20,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 02:18:20,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 02:18:20,353 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2020-09-25 02:18:20,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:20,626 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions. [2020-09-25 02:18:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 02:18:20,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-09-25 02:18:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:20,642 INFO L225 Difference]: With dead ends: 145 [2020-09-25 02:18:20,642 INFO L226 Difference]: Without dead ends: 72 [2020-09-25 02:18:20,647 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 02:18:20,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-25 02:18:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-09-25 02:18:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-09-25 02:18:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2020-09-25 02:18:20,708 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 37 [2020-09-25 02:18:20,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:20,708 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2020-09-25 02:18:20,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 02:18:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2020-09-25 02:18:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-25 02:18:20,711 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:20,711 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] [2020-09-25 02:18:20,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:18:20,712 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:20,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:20,712 INFO L82 PathProgramCache]: Analyzing trace with hash 681190783, now seen corresponding path program 1 times [2020-09-25 02:18:20,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:20,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038556174] [2020-09-25 02:18:20,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:20,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:21,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:21,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:22,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 02:18:22,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 02:18:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1652 [2020-09-25 02:18:22,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:18:22,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-25 02:18:22,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:18:22,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 02:18:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:18:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:22,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:22,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:22,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:18:22,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:22,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:18:22,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:22,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:22,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:22,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:18:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:18:22,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:18:22,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:18:22,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:18:22,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:18:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:18:22,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:18:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:18:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:18:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:18:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:18:22,507 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 02:18:22,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038556174] [2020-09-25 02:18:22,508 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:18:22,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 02:18:22,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865510010] [2020-09-25 02:18:22,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 02:18:22,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:18:22,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 02:18:22,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-09-25 02:18:22,513 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 6 states. [2020-09-25 02:18:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:18:22,911 INFO L93 Difference]: Finished difference Result 157 states and 172 transitions. [2020-09-25 02:18:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 02:18:22,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-09-25 02:18:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:18:22,916 INFO L225 Difference]: With dead ends: 157 [2020-09-25 02:18:22,916 INFO L226 Difference]: Without dead ends: 106 [2020-09-25 02:18:22,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:18:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-09-25 02:18:22,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 76. [2020-09-25 02:18:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-25 02:18:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2020-09-25 02:18:22,943 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 37 [2020-09-25 02:18:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:18:22,946 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2020-09-25 02:18:22,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 02:18:22,947 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2020-09-25 02:18:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-25 02:18:22,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:18:22,950 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:18:22,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:18:22,950 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:18:22,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:18:22,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1093467533, now seen corresponding path program 1 times [2020-09-25 02:18:22,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:18:22,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035848294] [2020-09-25 02:18:22,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:18:22,978 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-09-25 02:18:22,978 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2020-09-25 02:18:22,978 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 02:18:22,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:18:23,018 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-09-25 02:18:23,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:18:23 BoogieIcfgContainer [2020-09-25 02:18:23,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 02:18:23,027 INFO L168 Benchmark]: Toolchain (without parser) took 4427.73 ms. Allocated memory was 140.5 MB in the beginning and 243.8 MB in the end (delta: 103.3 MB). Free memory was 103.1 MB in the beginning and 172.5 MB in the end (delta: -69.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,028 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.93 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 182.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,031 INFO L168 Benchmark]: Boogie Preprocessor took 49.25 ms. Allocated memory is still 203.9 MB. Free memory was 182.9 MB in the beginning and 180.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,032 INFO L168 Benchmark]: RCFGBuilder took 477.00 ms. Allocated memory is still 203.9 MB. Free memory was 180.9 MB in the beginning and 158.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,035 INFO L168 Benchmark]: TraceAbstraction took 3462.17 ms. Allocated memory was 203.9 MB in the beginning and 243.8 MB in the end (delta: 39.8 MB). Free memory was 158.3 MB in the beginning and 172.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-09-25 02:18:23,048 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 428.93 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 182.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.25 ms. Allocated memory is still 203.9 MB. Free memory was 182.9 MB in the beginning and 180.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 477.00 ms. Allocated memory is still 203.9 MB. Free memory was 180.9 MB in the beginning and 158.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3462.17 ms. Allocated memory was 203.9 MB in the beginning and 243.8 MB in the end (delta: 39.8 MB). Free memory was 158.3 MB in the beginning and 172.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible 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] = 0 [L30] i=0 [L30] COND TRUE i