./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 f470102c 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 0.1.25-f470102 [2019-11-28 15:34:32,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:34:32,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:34:32,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:34:32,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:34:32,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:34:32,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:34:32,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:34:32,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:34:32,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:34:32,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:34:32,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:34:32,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:34:32,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:34:32,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:34:32,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:34:32,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:34:32,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:34:32,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:34:32,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:34:32,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:34:32,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:34:32,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:34:32,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:34:32,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:34:32,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:34:32,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:34:32,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:34:32,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:34:32,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:34:32,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:34:32,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:34:32,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:34:32,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:34:32,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:34:32,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:34:32,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:34:32,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:34:32,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:34:32,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:34:32,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:34:32,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:34:32,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:34:32,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:34:32,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:34:32,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:34:32,686 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:34:32,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:34:32,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:34:32,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:34:32,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:34:32,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:34:32,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:34:32,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:34:32,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:34:32,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:34:32,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:34:32,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:34:32,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:34:32,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:34:32,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:34:32,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:34:32,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:34:32,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:34:32,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:34:32,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:34:32,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:34:32,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:34:32,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:34:32,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:34:32,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:34:32,695 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 [2019-11-28 15:34:32,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:34:32,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:34:33,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:34:33,003 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:34:33,003 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:34:33,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/indp1f.c [2019-11-28 15:34:33,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718615042/1e9607b77c9b4ce9a4230dcf938ecb9f/FLAG99c10c262 [2019-11-28 15:34:33,528 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:34:33,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/indp1f.c [2019-11-28 15:34:33,536 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718615042/1e9607b77c9b4ce9a4230dcf938ecb9f/FLAG99c10c262 [2019-11-28 15:34:33,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/718615042/1e9607b77c9b4ce9a4230dcf938ecb9f [2019-11-28 15:34:33,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:34:33,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:34:33,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:34:33,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:34:33,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:34:33,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:33" (1/1) ... [2019-11-28 15:34:33,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1144e865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:33, skipping insertion in model container [2019-11-28 15:34:33,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:34:33" (1/1) ... [2019-11-28 15:34:33,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:34:33,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:34:34,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:34:34,116 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:34:34,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:34:34,165 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:34:34,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34 WrapperNode [2019-11-28 15:34:34,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:34:34,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:34:34,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:34:34,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:34:34,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:34:34,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:34:34,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:34:34,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:34:34,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (1/1) ... [2019-11-28 15:34:34,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:34:34,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:34:34,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:34:34,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:34:34,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (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 [2019-11-28 15:34:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 15:34:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 15:34:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:34:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:34:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 15:34:34,587 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:34:34,588 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 15:34:34,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:34 BoogieIcfgContainer [2019-11-28 15:34:34,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:34:34,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:34:34,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:34:34,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:34:34,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:34:33" (1/3) ... [2019-11-28 15:34:34,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7de258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:34, skipping insertion in model container [2019-11-28 15:34:34,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:34:34" (2/3) ... [2019-11-28 15:34:34,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7de258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:34:34, skipping insertion in model container [2019-11-28 15:34:34,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:34" (3/3) ... [2019-11-28 15:34:34,600 INFO L109 eAbstractionObserver]: Analyzing ICFG indp1f.c [2019-11-28 15:34:34,618 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:34:34,631 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:34:34,659 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:34:34,686 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:34:34,687 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:34:34,687 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:34:34,687 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:34:34,687 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:34:34,688 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:34:34,688 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:34:34,688 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:34:34,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-28 15:34:34,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 15:34:34,708 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:34:34,709 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:34:34,709 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:34:34,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:34:34,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1553700779, now seen corresponding path program 1 times [2019-11-28 15:34:34,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:34:34,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584163143] [2019-11-28 15:34:34,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:34:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:34:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:34:34,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584163143] [2019-11-28 15:34:34,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:34:34,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:34:34,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051873320] [2019-11-28 15:34:34,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 15:34:34,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:34:34,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 15:34:34,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 15:34:34,861 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-28 15:34:34,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:34:34,877 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-28 15:34:34,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 15:34:34,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 15:34:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:34:34,886 INFO L225 Difference]: With dead ends: 39 [2019-11-28 15:34:34,887 INFO L226 Difference]: Without dead ends: 18 [2019-11-28 15:34:34,890 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 [2019-11-28 15:34:34,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-28 15:34:34,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-28 15:34:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 15:34:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-28 15:34:34,923 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2019-11-28 15:34:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:34:34,924 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 15:34:34,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 15:34:34,924 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-28 15:34:34,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 15:34:34,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:34:34,925 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:34:34,926 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:34:34,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:34:34,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1516529121, now seen corresponding path program 1 times [2019-11-28 15:34:34,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:34:34,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680152704] [2019-11-28 15:34:34,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:34:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:34:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:34:34,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680152704] [2019-11-28 15:34:34,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:34:34,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:34:34,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987340240] [2019-11-28 15:34:34,998 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:34:34,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:34:34,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:34:34,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:34:34,999 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 3 states. [2019-11-28 15:34:35,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:34:35,047 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-11-28 15:34:35,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:34:35,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-28 15:34:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:34:35,048 INFO L225 Difference]: With dead ends: 33 [2019-11-28 15:34:35,048 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 15:34:35,050 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 [2019-11-28 15:34:35,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 15:34:35,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-28 15:34:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 15:34:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-28 15:34:35,054 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2019-11-28 15:34:35,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:34:35,055 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-28 15:34:35,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:34:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-28 15:34:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 15:34:35,056 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:34:35,056 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:34:35,056 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:34:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:34:35,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1045499773, now seen corresponding path program 1 times [2019-11-28 15:34:35,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:34:35,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13068593] [2019-11-28 15:34:35,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:34:35,081 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 15:34:35,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382947688] [2019-11-28 15:34:35,082 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 [2019-11-28 15:34:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:34:35,145 INFO L264 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-28 15:34:35,150 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:34:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 15:34:35,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13068593] [2019-11-28 15:34:35,177 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-28 15:34:35,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382947688] [2019-11-28 15:34:35,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:34:35,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:34:35,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639761182] [2019-11-28 15:34:35,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:34:35,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:34:35,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:34:35,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:34:35,181 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-28 15:34:35,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:34:35,258 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2019-11-28 15:34:35,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:34:35,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-28 15:34:35,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:34:35,260 INFO L225 Difference]: With dead ends: 40 [2019-11-28 15:34:35,260 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 15:34:35,261 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 [2019-11-28 15:34:35,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 15:34:35,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-11-28 15:34:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 15:34:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-11-28 15:34:35,267 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 14 [2019-11-28 15:34:35,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:34:35,268 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-11-28 15:34:35,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:34:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-11-28 15:34:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 15:34:35,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:34:35,269 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:34:35,477 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:34:35,478 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:34:35,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:34:35,478 INFO L82 PathProgramCache]: Analyzing trace with hash 392653561, now seen corresponding path program 1 times [2019-11-28 15:34:35,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:34:35,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667537374] [2019-11-28 15:34:35,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:34:35,493 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2019-11-28 15:34:35,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869306797] [2019-11-28 15:34:35,494 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 [2019-11-28 15:34:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:34:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:34:35,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:34:35,576 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:34:35,789 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:34:35,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:34:35 BoogieIcfgContainer [2019-11-28 15:34:35,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:34:35,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:34:35,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:34:35,826 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:34:35,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:34:34" (3/4) ... [2019-11-28 15:34:35,828 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:34:35,885 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:34:35,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:34:35,888 INFO L168 Benchmark]: Toolchain (without parser) took 1996.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -86.1 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:34:35,888 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-28 15:34:35,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.56 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:34:35,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:34:35,891 INFO L168 Benchmark]: Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:34:35,892 INFO L168 Benchmark]: RCFGBuilder took 313.51 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:34:35,893 INFO L168 Benchmark]: TraceAbstraction took 1233.81 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:34:35,894 INFO L168 Benchmark]: Witness Printer took 60.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:34:35,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 274.56 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.2 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 85.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 313.51 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1233.81 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: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * Witness Printer took 60.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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