./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/indp1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/indp1f.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c26f9189d1f5c67c8b25dc29240d5802de3fb1a0 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:30:03,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:30:03,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:30:03,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:30:03,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:30:03,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:30:03,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:30:03,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:30:03,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:30:03,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:30:03,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:30:03,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:30:03,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:30:03,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:30:03,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:30:03,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:30:03,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:30:03,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:30:03,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:30:03,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:30:03,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:30:03,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:30:03,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:30:03,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:30:03,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:30:03,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:30:03,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:30:03,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:30:03,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:30:03,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:30:03,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:30:03,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:30:03,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:30:03,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:30:03,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:30:03,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:30:03,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:30:03,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:30:03,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:30:03,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:30:03,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:30:03,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:30:03,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:30:03,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:30:03,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:30:03,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:30:03,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:30:03,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:30:03,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:30:03,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:30:03,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:30:03,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:30:03,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:30:03,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:30:03,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:30:03,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:30:03,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:30:03,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:30:03,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:30:03,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:30:03,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:30:03,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:30:03,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:30:03,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:30:03,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:30:03,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:30:03,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:30:03,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:30:03,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:30:03,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:30:03,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c26f9189d1f5c67c8b25dc29240d5802de3fb1a0 [2019-11-27 22:30:03,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:30:03,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:30:03,982 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:30:03,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:30:03,984 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:30:03,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp1f.c [2019-11-27 22:30:04,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6693725/464e6b5a784940bd961de8704b697494/FLAGcf00726b1 [2019-11-27 22:30:04,483 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:30:04,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp1f.c [2019-11-27 22:30:04,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6693725/464e6b5a784940bd961de8704b697494/FLAGcf00726b1 [2019-11-27 22:30:04,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6693725/464e6b5a784940bd961de8704b697494 [2019-11-27 22:30:04,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:30:04,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:30:04,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:04,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:30:04,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:30:04,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:04" (1/1) ... [2019-11-27 22:30:04,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bba92c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:04, skipping insertion in model container [2019-11-27 22:30:04,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:04" (1/1) ... [2019-11-27 22:30:04,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:30:04,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:30:05,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:05,111 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:30:05,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:05,144 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:30:05,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05 WrapperNode [2019-11-27 22:30:05,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:05,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:05,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:30:05,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:30:05,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:05,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:30:05,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:30:05,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:30:05,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... [2019-11-27 22:30:05,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:30:05,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:30:05,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:30:05,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:30:05,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-11-27 22:30:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 22:30:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 22:30:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:30:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:30:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 22:30:05,601 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:30:05,601 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 22:30:05,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:05 BoogieIcfgContainer [2019-11-27 22:30:05,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:30:05,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:30:05,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:30:05,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:30:05,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:30:04" (1/3) ... [2019-11-27 22:30:05,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adecf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:05, skipping insertion in model container [2019-11-27 22:30:05,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:05" (2/3) ... [2019-11-27 22:30:05,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adecf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:05, skipping insertion in model container [2019-11-27 22:30:05,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:05" (3/3) ... [2019-11-27 22:30:05,612 INFO L109 eAbstractionObserver]: Analyzing ICFG indp1f.c [2019-11-27 22:30:05,625 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:30:05,648 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:30:05,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:30:05,702 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:30:05,703 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:30:05,703 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:30:05,703 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:30:05,704 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:30:05,704 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:30:05,704 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:30:05,704 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:30:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-27 22:30:05,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 22:30:05,728 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:05,729 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:05,729 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:05,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:05,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1553700779, now seen corresponding path program 1 times [2019-11-27 22:30:05,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:05,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058642279] [2019-11-27 22:30:05,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:30:05,873 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058642279] [2019-11-27 22:30:05,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:05,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:30:05,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997659736] [2019-11-27 22:30:05,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 22:30:05,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:05,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 22:30:05,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:30:05,899 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-27 22:30:05,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:05,921 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-27 22:30:05,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 22:30:05,923 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 22:30:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:05,935 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:30:05,935 INFO L226 Difference]: Without dead ends: 18 [2019-11-27 22:30:05,939 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:30:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-27 22:30:05,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-27 22:30:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-27 22:30:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-27 22:30:05,983 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-11-27 22:30:05,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:05,984 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-27 22:30:05,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 22:30:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-27 22:30:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 22:30:05,985 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:05,986 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:05,986 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:05,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1516529121, now seen corresponding path program 1 times [2019-11-27 22:30:05,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:05,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352555060] [2019-11-27 22:30:05,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:30:06,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352555060] [2019-11-27 22:30:06,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:06,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:30:06,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848547556] [2019-11-27 22:30:06,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:30:06,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:06,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:30:06,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:30:06,070 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 3 states. [2019-11-27 22:30:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:06,126 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-27 22:30:06,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:30:06,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-27 22:30:06,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:06,127 INFO L225 Difference]: With dead ends: 33 [2019-11-27 22:30:06,127 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 22:30:06,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:30:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 22:30:06,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-27 22:30:06,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 22:30:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-27 22:30:06,134 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2019-11-27 22:30:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:06,135 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-27 22:30:06,135 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:30:06,135 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-27 22:30:06,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 22:30:06,136 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:06,136 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:06,137 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:06,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:06,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1045499773, now seen corresponding path program 1 times [2019-11-27 22:30:06,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:06,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471813728] [2019-11-27 22:30:06,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:06,149 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:06,150 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292926948] [2019-11-27 22:30:06,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:06,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:30:06,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:30:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 22:30:06,251 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471813728] [2019-11-27 22:30:06,252 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-27 22:30:06,252 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292926948] [2019-11-27 22:30:06,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:06,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:30:06,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890074575] [2019-11-27 22:30:06,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:30:06,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:06,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:30:06,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:30:06,255 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-27 22:30:06,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:06,321 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2019-11-27 22:30:06,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:30:06,322 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-27 22:30:06,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:06,323 INFO L225 Difference]: With dead ends: 40 [2019-11-27 22:30:06,323 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 22:30:06,324 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:30:06,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 22:30:06,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-11-27 22:30:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 22:30:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-11-27 22:30:06,330 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2019-11-27 22:30:06,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:06,330 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-11-27 22:30:06,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:30:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-11-27 22:30:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 22:30:06,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:06,332 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:06,532 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:06,533 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:06,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:06,534 INFO L82 PathProgramCache]: Analyzing trace with hash 392653561, now seen corresponding path program 1 times [2019-11-27 22:30:06,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:06,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174572151] [2019-11-27 22:30:06,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:06,546 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:06,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [972577040] [2019-11-27 22:30:06,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:06,654 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:30:06,654 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:30:06,858 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:06,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:30:06 BoogieIcfgContainer [2019-11-27 22:30:06,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:30:06,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:30:06,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:30:06,895 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:30:06,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:05" (3/4) ... [2019-11-27 22:30:06,897 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:30:06,959 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:30:06,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:30:06,963 INFO L168 Benchmark]: Toolchain (without parser) took 2092.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -79.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,964 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:30:06,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,966 INFO L168 Benchmark]: Boogie Preprocessor took 25.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,967 INFO L168 Benchmark]: RCFGBuilder took 329.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,968 INFO L168 Benchmark]: TraceAbstraction took 1289.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,969 INFO L168 Benchmark]: Witness Printer took 65.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:06,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.08 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 329.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1289.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long *a = malloc(sizeof(long long)*N); [L25] i=0 VAL [N=1] [L25] COND TRUE i