./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/indp2f.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/indp2f.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 37771e8101f66ae79c714b2af4df2fa3ab037870 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 22:30:05,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:30:05,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:30:05,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:30:05,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:30:05,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:30:05,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:30:05,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:30:05,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:30:05,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:30:05,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:30:05,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:30:05,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:30:05,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:30:05,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:30:05,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:30:05,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:30:05,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:30:05,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:30:05,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:30:05,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:30:05,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:30:05,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:30:05,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:30:05,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:30:05,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:30:05,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:30:05,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:30:05,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:30:05,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:30:05,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:30:05,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:30:05,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:30:05,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:30:05,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:30:05,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:30:05,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:30:05,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:30:05,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:30:05,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:30:05,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:30:05,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:30:05,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:30:05,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:30:05,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:30:05,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:30:05,343 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:30:05,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:30:05,344 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:30:05,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:30:05,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:30:05,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:30:05,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:30:05,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:30:05,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:30:05,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:30:05,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:30:05,347 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:30:05,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:30:05,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:30:05,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:30:05,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:30:05,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:30:05,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:30:05,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:30:05,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:30:05,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:30:05,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:30:05,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:30:05,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:30:05,351 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 -> 37771e8101f66ae79c714b2af4df2fa3ab037870 [2019-11-27 22:30:05,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:30:05,656 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:30:05,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:30:05,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:30:05,661 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:30:05,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp2f.c [2019-11-27 22:30:05,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61384d31/5e4572259d064318ba6f9e736b9b15fd/FLAGe0c05b18d [2019-11-27 22:30:06,173 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:30:06,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp2f.c [2019-11-27 22:30:06,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61384d31/5e4572259d064318ba6f9e736b9b15fd/FLAGe0c05b18d [2019-11-27 22:30:06,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f61384d31/5e4572259d064318ba6f9e736b9b15fd [2019-11-27 22:30:06,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:30:06,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:30:06,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:06,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:30:06,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:30:06,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:06,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6373eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06, skipping insertion in model container [2019-11-27 22:30:06,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:06,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:30:06,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:30:06,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:06,867 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:30:06,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:30:06,902 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:30:06,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06 WrapperNode [2019-11-27 22:30:06,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:30:06,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:06,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:30:06,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:30:06,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:06,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:06,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:30:06,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:30:06,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:30:06,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:30:07,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (1/1) ... [2019-11-27 22:30:07,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:30:07,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:30:07,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:30:07,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:30:07,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (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 22:30:07,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 22:30:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 22:30:07,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:30:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:30:07,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 22:30:07,326 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:30:07,327 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 22:30:07,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:07 BoogieIcfgContainer [2019-11-27 22:30:07,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:30:07,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:30:07,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:30:07,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:30:07,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:30:06" (1/3) ... [2019-11-27 22:30:07,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ceb212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:07, skipping insertion in model container [2019-11-27 22:30:07,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:30:06" (2/3) ... [2019-11-27 22:30:07,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ceb212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:30:07, skipping insertion in model container [2019-11-27 22:30:07,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:07" (3/3) ... [2019-11-27 22:30:07,338 INFO L109 eAbstractionObserver]: Analyzing ICFG indp2f.c [2019-11-27 22:30:07,351 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:30:07,358 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:30:07,381 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:30:07,415 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:30:07,415 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:30:07,415 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:30:07,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:30:07,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:30:07,416 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:30:07,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:30:07,416 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:30:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-27 22:30:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 22:30:07,434 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:07,435 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:07,435 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:07,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:07,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1553700779, now seen corresponding path program 1 times [2019-11-27 22:30:07,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:07,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914177001] [2019-11-27 22:30:07,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:07,571 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 22:30:07,572 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914177001] [2019-11-27 22:30:07,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:07,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:30:07,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672737140] [2019-11-27 22:30:07,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 22:30:07,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:07,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 22:30:07,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:30:07,594 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-27 22:30:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:07,609 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-27 22:30:07,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 22:30:07,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 22:30:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:07,618 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:30:07,618 INFO L226 Difference]: Without dead ends: 18 [2019-11-27 22:30:07,622 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 22:30:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-27 22:30:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-27 22:30:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-27 22:30:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-27 22:30:07,652 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-11-27 22:30:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:07,653 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-27 22:30:07,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 22:30:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-27 22:30:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 22:30:07,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:07,654 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:07,655 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:07,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:07,655 INFO L82 PathProgramCache]: Analyzing trace with hash -1516529121, now seen corresponding path program 1 times [2019-11-27 22:30:07,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:07,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098407021] [2019-11-27 22:30:07,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:07,725 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 22:30:07,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098407021] [2019-11-27 22:30:07,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:07,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:30:07,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997982112] [2019-11-27 22:30:07,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:30:07,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:07,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:30:07,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:30:07,730 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 3 states. [2019-11-27 22:30:07,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:07,812 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-27 22:30:07,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:30:07,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-27 22:30:07,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:07,814 INFO L225 Difference]: With dead ends: 33 [2019-11-27 22:30:07,814 INFO L226 Difference]: Without dead ends: 20 [2019-11-27 22:30:07,815 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 22:30:07,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-27 22:30:07,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-27 22:30:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 22:30:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-27 22:30:07,821 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2019-11-27 22:30:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:07,821 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-27 22:30:07,821 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:30:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-27 22:30:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 22:30:07,822 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:07,823 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:30:07,823 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:07,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1045499773, now seen corresponding path program 1 times [2019-11-27 22:30:07,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:07,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763201673] [2019-11-27 22:30:07,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:07,836 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:07,837 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348305241] [2019-11-27 22:30:07,837 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 22:30:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:30:07,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-27 22:30:07,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 22:30:07,937 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 22:30:07,938 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763201673] [2019-11-27 22:30:07,938 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-27 22:30:07,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348305241] [2019-11-27 22:30:07,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:30:07,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:30:07,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599444127] [2019-11-27 22:30:07,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:30:07,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:30:07,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:30:07,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:30:07,942 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-27 22:30:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:30:08,017 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2019-11-27 22:30:08,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:30:08,017 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-27 22:30:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:30:08,018 INFO L225 Difference]: With dead ends: 40 [2019-11-27 22:30:08,018 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 22:30:08,019 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 22:30:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 22:30:08,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-11-27 22:30:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 22:30:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-11-27 22:30:08,025 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2019-11-27 22:30:08,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:30:08,026 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-11-27 22:30:08,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:30:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-11-27 22:30:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 22:30:08,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:30:08,027 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 22:30:08,238 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:08,238 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:30:08,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:30:08,239 INFO L82 PathProgramCache]: Analyzing trace with hash 392653561, now seen corresponding path program 1 times [2019-11-27 22:30:08,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:30:08,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576521152] [2019-11-27 22:30:08,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:30:08,249 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-27 22:30:08,251 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257455156] [2019-11-27 22:30:08,251 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 22:30:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:30:08,340 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:30:08,340 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:30:08,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-27 22:30:08,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:30:08 BoogieIcfgContainer [2019-11-27 22:30:08,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:30:08,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:30:08,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:30:08,578 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:30:08,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:30:07" (3/4) ... [2019-11-27 22:30:08,581 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:30:08,633 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:30:08,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:30:08,635 INFO L168 Benchmark]: Toolchain (without parser) took 2031.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -93.5 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,636 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:30:08,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.89 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,639 INFO L168 Benchmark]: Boogie Preprocessor took 26.77 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,639 INFO L168 Benchmark]: RCFGBuilder took 304.45 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,640 INFO L168 Benchmark]: TraceAbstraction took 1248.03 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,641 INFO L168 Benchmark]: Witness Printer took 55.30 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-27 22:30:08,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.89 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 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 92.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.77 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 304.45 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1248.03 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: 62.0 MB). Peak memory consumption was 62.0 MB. Max. memory is 11.5 GB. * Witness Printer took 55.30 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: 6.5 MB). Peak memory consumption was 6.5 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