/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=SMALLEST --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/sina3f.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 18:29:03,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 18:29:03,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 18:29:03,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 18:29:03,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 18:29:03,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 18:29:03,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 18:29:03,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 18:29:03,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 18:29:03,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 18:29:03,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 18:29:03,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 18:29:03,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 18:29:03,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 18:29:03,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 18:29:03,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 18:29:03,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 18:29:03,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 18:29:03,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 18:29:03,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 18:29:03,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 18:29:03,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 18:29:03,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 18:29:03,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 18:29:03,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 18:29:03,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 18:29:03,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 18:29:03,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 18:29:03,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 18:29:03,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 18:29:03,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 18:29:03,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 18:29:03,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 18:29:03,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 18:29:03,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 18:29:03,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 18:29:03,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 18:29:03,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 18:29:03,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 18:29:03,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 18:29:03,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 18:29:03,484 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 [2020-09-24 18:29:03,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 18:29:03,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 18:29:03,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 18:29:03,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 18:29:03,525 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 18:29:03,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 18:29:03,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 18:29:03,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 18:29:03,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 18:29:03,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 18:29:03,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 18:29:03,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 18:29:03,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 18:29:03,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 18:29:03,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 18:29:03,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 18:29:03,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 18:29:03,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 18:29:03,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 18:29:03,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 18:29:03,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 18:29:03,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 18:29:03,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 18:29:03,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 18:29:03,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 18:29:03,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 18:29:03,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 18:29:03,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 18:29:03,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 18:29:03,530 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 18:29:04,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 18:29:04,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 18:29:04,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 18:29:04,055 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 18:29:04,058 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 18:29:04,060 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 18:29:04,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c90a49/2b01ff26560345639d0988e83f88d2b5/FLAGb5b24837c [2020-09-24 18:29:04,707 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 18:29:04,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina3f.c [2020-09-24 18:29:04,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c90a49/2b01ff26560345639d0988e83f88d2b5/FLAGb5b24837c [2020-09-24 18:29:05,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2d5c90a49/2b01ff26560345639d0988e83f88d2b5 [2020-09-24 18:29:05,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 18:29:05,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 18:29:05,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:05,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 18:29:05,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 18:29:05,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dfe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05, skipping insertion in model container [2020-09-24 18:29:05,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 18:29:05,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 18:29:05,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:05,403 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 18:29:05,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 18:29:05,530 INFO L208 MainTranslator]: Completed translation [2020-09-24 18:29:05,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05 WrapperNode [2020-09-24 18:29:05,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 18:29:05,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 18:29:05,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 18:29:05,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 18:29:05,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (1/1) ... [2020-09-24 18:29:05,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 18:29:05,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 18:29:05,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 18:29:05,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 18:29:05,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (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 [2020-09-24 18:29:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 18:29:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 18:29:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 18:29:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-24 18:29:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 18:29:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 18:29:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 18:29:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 18:29:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-24 18:29:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 18:29:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 18:29:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 18:29:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 18:29:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 18:29:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 18:29:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 18:29:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 18:29:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 18:29:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 18:29:06,060 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 18:29:06,060 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 18:29:06,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:06 BoogieIcfgContainer [2020-09-24 18:29:06,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 18:29:06,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 18:29:06,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 18:29:06,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 18:29:06,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 06:29:05" (1/3) ... [2020-09-24 18:29:06,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9746cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:06, skipping insertion in model container [2020-09-24 18:29:06,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 06:29:05" (2/3) ... [2020-09-24 18:29:06,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9746cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 06:29:06, skipping insertion in model container [2020-09-24 18:29:06,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 06:29:06" (3/3) ... [2020-09-24 18:29:06,075 INFO L109 eAbstractionObserver]: Analyzing ICFG sina3f.c [2020-09-24 18:29:06,086 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 18:29:06,096 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 18:29:06,115 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 18:29:06,142 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 18:29:06,142 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 18:29:06,142 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 18:29:06,143 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 18:29:06,143 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 18:29:06,143 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 18:29:06,143 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 18:29:06,143 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 18:29:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-09-24 18:29:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 18:29:06,172 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:06,173 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] [2020-09-24 18:29:06,173 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:06,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:06,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1651935650, now seen corresponding path program 1 times [2020-09-24 18:29:06,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:06,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138687109] [2020-09-24 18:29:06,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:06,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:06,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:06,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:07,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:07,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:29:07,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 18:29:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1086 [2020-09-24 18:29:07,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:07,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 18:29:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:07,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-09-24 18:29:07,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:07,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:07,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:07,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:29:07,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:07,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 18:29:07,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:07,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:29:07,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:29:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:29:07,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:29:07,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:07,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:29:07,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138687109] [2020-09-24 18:29:07,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:07,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 18:29:07,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971049095] [2020-09-24 18:29:07,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 18:29:07,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:07,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 18:29:07,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 18:29:07,638 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-09-24 18:29:07,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:07,887 INFO L93 Difference]: Finished difference Result 141 states and 164 transitions. [2020-09-24 18:29:07,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 18:29:07,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-09-24 18:29:07,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:07,902 INFO L225 Difference]: With dead ends: 141 [2020-09-24 18:29:07,902 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 18:29:07,908 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 [2020-09-24 18:29:07,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 18:29:07,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 18:29:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 18:29:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2020-09-24 18:29:07,966 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 39 [2020-09-24 18:29:07,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:07,967 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2020-09-24 18:29:07,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 18:29:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2020-09-24 18:29:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-24 18:29:07,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:07,969 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] [2020-09-24 18:29:07,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 18:29:07,970 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:07,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:07,971 INFO L82 PathProgramCache]: Analyzing trace with hash 725298104, now seen corresponding path program 1 times [2020-09-24 18:29:07,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:07,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307494750] [2020-09-24 18:29:07,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:08,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:10,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 18:29:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-24 18:29:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2014 [2020-09-24 18:29:10,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 18:29:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 18:29:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 18:29:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 18:29:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:10,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:10,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 18:29:10,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 18:29:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 18:29:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 18:29:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 18:29:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 18:29:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 18:29:10,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 18:29:10,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 18:29:10,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 18:29:10,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 18:29:10,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 18:29:10,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 18:29:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 18:29:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 18:29:10,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 18:29:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 18:29:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 18:29:10,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307494750] [2020-09-24 18:29:10,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 18:29:10,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 18:29:10,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908990108] [2020-09-24 18:29:10,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 18:29:10,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 18:29:10,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 18:29:10,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 18:29:10,094 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand 5 states. [2020-09-24 18:29:10,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 18:29:10,327 INFO L93 Difference]: Finished difference Result 115 states and 126 transitions. [2020-09-24 18:29:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 18:29:10,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2020-09-24 18:29:10,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 18:29:10,329 INFO L225 Difference]: With dead ends: 115 [2020-09-24 18:29:10,329 INFO L226 Difference]: Without dead ends: 75 [2020-09-24 18:29:10,331 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 [2020-09-24 18:29:10,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-24 18:29:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2020-09-24 18:29:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-24 18:29:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2020-09-24 18:29:10,343 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 39 [2020-09-24 18:29:10,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 18:29:10,344 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2020-09-24 18:29:10,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 18:29:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2020-09-24 18:29:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-09-24 18:29:10,346 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 18:29:10,347 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] [2020-09-24 18:29:10,347 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 18:29:10,347 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 18:29:10,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 18:29:10,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1675406230, now seen corresponding path program 1 times [2020-09-24 18:29:10,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 18:29:10,348 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [532947935] [2020-09-24 18:29:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 18:29:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 18:29:10,385 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 18:29:10,385 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 18:29:10,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 18:29:10,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 06:29:10 BoogieIcfgContainer [2020-09-24 18:29:10,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 18:29:10,421 INFO L168 Benchmark]: Toolchain (without parser) took 5329.05 ms. Allocated memory was 140.0 MB in the beginning and 246.9 MB in the end (delta: 107.0 MB). Free memory was 101.5 MB in the beginning and 204.2 MB in the end (delta: -102.6 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:10,422 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:10,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.81 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 180.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:10,424 INFO L168 Benchmark]: Boogie Preprocessor took 48.10 ms. Allocated memory is still 201.9 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:10,425 INFO L168 Benchmark]: RCFGBuilder took 486.43 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 156.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-09-24 18:29:10,425 INFO L168 Benchmark]: TraceAbstraction took 4346.44 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 156.6 MB in the beginning and 204.2 MB in the end (delta: -47.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 18:29:10,429 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 437.81 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 180.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.10 ms. Allocated memory is still 201.9 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 486.43 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 156.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4346.44 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 156.6 MB in the beginning and 204.2 MB in the end (delta: -47.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] int N; [L21] N = __VERIFIER_nondet_int() [L22] COND FALSE !(N <= 0) [L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L11] COND FALSE !(!cond) [L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L25] int i; [L26] long long sum[1]; [L27] long long *a = malloc(sizeof(long long)*N); [L28] int *b = malloc(sizeof(int)*N); [L30] sum[0] = 1 [L31] i=0 [L31] COND TRUE i