/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=SHALLOWEST --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/s4liff.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:03:37,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:03:37,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:03:37,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:03:37,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:03:37,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:03:37,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:03:37,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:03:37,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:03:37,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:03:37,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:03:37,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:03:37,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:03:37,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:03:37,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:03:37,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:03:37,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:03:37,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:03:37,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:03:37,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:03:37,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:03:37,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:03:37,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:03:37,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:03:37,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:03:37,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:03:37,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:03:37,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:03:37,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:03:37,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:03:37,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:03:37,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:03:37,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:03:37,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:03:37,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:03:37,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:03:37,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:03:37,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:03:37,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:03:37,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:03:37,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:03:37,456 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 00:03:37,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:03:37,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:03:37,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:03:37,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:03:37,510 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:03:37,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:03:37,510 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:03:37,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:03:37,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:03:37,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:03:37,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:03:37,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:03:37,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:03:37,513 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:03:37,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:03:37,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:03:37,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:03:37,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:03:37,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:03:37,514 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:03:37,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:03:37,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:03:37,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:03:37,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:03:37,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:03:37,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:03:37,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:03:37,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:03:37,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:03:37,517 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-25 00:03:37,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:03:37,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:03:38,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:03:38,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:03:38,009 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:03:38,010 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s4liff.c [2020-09-25 00:03:38,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fd148346/d5b80ee627d24936a18effcd85415de2/FLAG67b9c26bd [2020-09-25 00:03:38,674 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:03:38,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/s4liff.c [2020-09-25 00:03:38,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fd148346/d5b80ee627d24936a18effcd85415de2/FLAG67b9c26bd [2020-09-25 00:03:39,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fd148346/d5b80ee627d24936a18effcd85415de2 [2020-09-25 00:03:39,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:03:39,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:03:39,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:39,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:03:39,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:03:39,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3add5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39, skipping insertion in model container [2020-09-25 00:03:39,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:03:39,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:03:39,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:39,318 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:03:39,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:03:39,366 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:03:39,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39 WrapperNode [2020-09-25 00:03:39,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:03:39,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:03:39,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:03:39,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:03:39,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (1/1) ... [2020-09-25 00:03:39,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:03:39,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:03:39,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:03:39,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:03:39,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (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 00:03:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:03:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:03:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 00:03:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-25 00:03:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:03:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:03:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:03:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:03:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:03:39,964 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:03:39,964 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-09-25 00:03:39,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:39 BoogieIcfgContainer [2020-09-25 00:03:39,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:03:39,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:03:39,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:03:39,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:03:39,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:03:39" (1/3) ... [2020-09-25 00:03:39,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664793f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:39, skipping insertion in model container [2020-09-25 00:03:39,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:03:39" (2/3) ... [2020-09-25 00:03:39,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@664793f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:03:39, skipping insertion in model container [2020-09-25 00:03:39,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:03:39" (3/3) ... [2020-09-25 00:03:39,979 INFO L109 eAbstractionObserver]: Analyzing ICFG s4liff.c [2020-09-25 00:03:39,991 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:03:40,000 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:03:40,022 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:03:40,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:03:40,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:03:40,052 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:03:40,053 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:03:40,053 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:03:40,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:03:40,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:03:40,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:03:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2020-09-25 00:03:40,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:40,083 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:40,084 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 00:03:40,084 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:40,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:40,091 INFO L82 PathProgramCache]: Analyzing trace with hash -2050446892, now seen corresponding path program 1 times [2020-09-25 00:03:40,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:40,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [485018709] [2020-09-25 00:03:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:40,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 335 [2020-09-25 00:03:40,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-25 00:03:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:40,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 00:03:40,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:40,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:40,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:40,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:03:40,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:40,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:40,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:40,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:40,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:40,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:40,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 00:03:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:40,718 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 00:03:40,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [485018709] [2020-09-25 00:03:40,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:40,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:03:40,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343382498] [2020-09-25 00:03:40,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:03:40,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:40,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:03:40,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:03:40,752 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 3 states. [2020-09-25 00:03:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:40,955 INFO L93 Difference]: Finished difference Result 125 states and 142 transitions. [2020-09-25 00:03:40,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:03:40,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-09-25 00:03:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:40,970 INFO L225 Difference]: With dead ends: 125 [2020-09-25 00:03:40,970 INFO L226 Difference]: Without dead ends: 59 [2020-09-25 00:03:40,975 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 00:03:40,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-09-25 00:03:41,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-09-25 00:03:41,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-25 00:03:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2020-09-25 00:03:41,032 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 33 [2020-09-25 00:03:41,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:41,032 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2020-09-25 00:03:41,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:03:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2020-09-25 00:03:41,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 00:03:41,035 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:41,035 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 00:03:41,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:03:41,036 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:41,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:41,036 INFO L82 PathProgramCache]: Analyzing trace with hash -341126016, now seen corresponding path program 1 times [2020-09-25 00:03:41,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:41,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550750987] [2020-09-25 00:03:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:41,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:41,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:41,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:41,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:41,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 00:03:41,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:03:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 712 [2020-09-25 00:03:41,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:41,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 00:03:41,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 00:03:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 00:03:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:03:41,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:03:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:41,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:03:41,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 00:03:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:03:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:03:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 00:03:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:03:41,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:03:41,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:03:41,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 00:03:41,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:03:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:03:41,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:03:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:03:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:03:41,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:03:41,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:03:41,895 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 00:03:41,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550750987] [2020-09-25 00:03:41,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:03:41,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:03:41,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262842620] [2020-09-25 00:03:41,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:03:41,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:03:41,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:03:41,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:03:41,904 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 5 states. [2020-09-25 00:03:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:03:42,191 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-09-25 00:03:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 00:03:42,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-09-25 00:03:42,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:03:42,194 INFO L225 Difference]: With dead ends: 93 [2020-09-25 00:03:42,194 INFO L226 Difference]: Without dead ends: 62 [2020-09-25 00:03:42,196 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 00:03:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-25 00:03:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-09-25 00:03:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-09-25 00:03:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-09-25 00:03:42,219 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 33 [2020-09-25 00:03:42,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:03:42,219 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-09-25 00:03:42,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:03:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-09-25 00:03:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-25 00:03:42,224 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:03:42,225 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] [2020-09-25 00:03:42,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:03:42,225 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:03:42,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:03:42,226 INFO L82 PathProgramCache]: Analyzing trace with hash 746418975, now seen corresponding path program 1 times [2020-09-25 00:03:42,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:03:42,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55449892] [2020-09-25 00:03:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:03:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:03:42,264 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:03:42,265 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:03:42,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:03:42,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:03:42 BoogieIcfgContainer [2020-09-25 00:03:42,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:03:42,307 INFO L168 Benchmark]: Toolchain (without parser) took 3284.59 ms. Allocated memory was 140.0 MB in the beginning and 235.4 MB in the end (delta: 95.4 MB). Free memory was 103.5 MB in the beginning and 139.9 MB in the end (delta: -36.4 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:42,308 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.0 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 00:03:42,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.57 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:42,310 INFO L168 Benchmark]: Boogie Preprocessor took 133.87 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 180.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:42,312 INFO L168 Benchmark]: RCFGBuilder took 468.06 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 160.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:42,314 INFO L168 Benchmark]: TraceAbstraction took 2329.91 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 159.4 MB in the beginning and 139.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:03:42,324 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.0 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 342.57 ms. Allocated memory is still 140.0 MB. Free memory was 102.8 MB in the beginning and 92.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.87 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 92.3 MB in the beginning and 180.2 MB in the end (delta: -87.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 468.06 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 160.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2329.91 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 159.4 MB in the beginning and 139.9 MB in the end (delta: 19.5 MB). Peak memory consumption was 52.0 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] = N [L30] i=0 [L30] COND TRUE i