./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/array-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/loops/array-2.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4c882ea31ded5d72491d0989b7efed83bec9369 .............................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 02:11:15,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 02:11:15,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 02:11:15,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 02:11:15,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 02:11:15,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 02:11:15,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 02:11:15,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 02:11:15,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 02:11:15,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 02:11:15,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 02:11:15,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 02:11:15,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 02:11:15,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 02:11:15,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 02:11:15,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 02:11:15,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 02:11:15,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 02:11:15,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 02:11:15,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 02:11:15,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 02:11:15,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 02:11:15,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 02:11:15,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 02:11:15,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 02:11:15,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 02:11:15,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 02:11:15,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 02:11:15,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 02:11:15,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 02:11:15,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 02:11:15,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 02:11:15,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 02:11:15,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 02:11:15,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 02:11:15,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 02:11:15,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 02:11:15,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 02:11:15,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 02:11:15,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 02:11:15,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 02:11:15,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 02:11:15,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 02:11:15,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 02:11:15,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 02:11:15,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 02:11:15,244 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 02:11:15,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 02:11:15,244 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 02:11:15,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 02:11:15,246 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 02:11:15,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 02:11:15,246 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 02:11:15,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 02:11:15,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 02:11:15,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 02:11:15,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 02:11:15,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 02:11:15,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 02:11:15,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 02:11:15,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 02:11:15,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 02:11:15,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 02:11:15,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 02:11:15,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 02:11:15,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4c882ea31ded5d72491d0989b7efed83bec9369 [2021-07-05 02:11:15,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 02:11:15,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 02:11:15,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 02:11:15,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 02:11:15,494 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 02:11:15,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/array-2.c [2021-07-05 02:11:15,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd4cbec/2f5017ff5a2546e4980f460738f81c63/FLAG229f006d7 [2021-07-05 02:11:15,905 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 02:11:15,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c [2021-07-05 02:11:15,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd4cbec/2f5017ff5a2546e4980f460738f81c63/FLAG229f006d7 [2021-07-05 02:11:15,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd4cbec/2f5017ff5a2546e4980f460738f81c63 [2021-07-05 02:11:15,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 02:11:15,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 02:11:15,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 02:11:15,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 02:11:15,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 02:11:15,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 02:11:15" (1/1) ... [2021-07-05 02:11:15,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100533f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:15, skipping insertion in model container [2021-07-05 02:11:15,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 02:11:15" (1/1) ... [2021-07-05 02:11:15,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 02:11:15,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 02:11:16,063 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332] [2021-07-05 02:11:16,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 02:11:16,080 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 02:11:16,088 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/array-2.c[319,332] [2021-07-05 02:11:16,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 02:11:16,125 INFO L208 MainTranslator]: Completed translation [2021-07-05 02:11:16,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16 WrapperNode [2021-07-05 02:11:16,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 02:11:16,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 02:11:16,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 02:11:16,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 02:11:16,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 02:11:16,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 02:11:16,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 02:11:16,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 02:11:16,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 02:11:16,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 02:11:16,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 02:11:16,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 02:11:16,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (1/1) ... [2021-07-05 02:11:16,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 02:11:16,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 02:11:16,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 02:11:16,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 02:11:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 02:11:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 02:11:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 02:11:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 02:11:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 02:11:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-05 02:11:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 02:11:16,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 02:11:16,456 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-07-05 02:11:16,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 02:11:16 BoogieIcfgContainer [2021-07-05 02:11:16,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 02:11:16,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 02:11:16,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 02:11:16,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 02:11:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 02:11:15" (1/3) ... [2021-07-05 02:11:16,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c0e9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 02:11:16, skipping insertion in model container [2021-07-05 02:11:16,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 02:11:16" (2/3) ... [2021-07-05 02:11:16,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c0e9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 02:11:16, skipping insertion in model container [2021-07-05 02:11:16,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 02:11:16" (3/3) ... [2021-07-05 02:11:16,491 INFO L111 eAbstractionObserver]: Analyzing ICFG array-2.c [2021-07-05 02:11:16,495 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 02:11:16,495 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 02:11:16,552 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 02:11:16,561 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 02:11:16,561 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 02:11:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 02:11:16,573 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 02:11:16,573 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 02:11:16,573 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 02:11:16,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 02:11:16,577 INFO L82 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times [2021-07-05 02:11:16,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 02:11:16,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833122233] [2021-07-05 02:11:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 02:11:16,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 02:11:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 02:11:16,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 02:11:16,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 02:11:16,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 02:11:16,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 02:11:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 02:11:16,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 02:11:16,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833122233] [2021-07-05 02:11:16,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833122233] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 02:11:16,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 02:11:16,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 02:11:16,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413474887] [2021-07-05 02:11:16,707 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 02:11:16,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 02:11:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 02:11:16,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 02:11:16,720 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 02:11:16,729 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-07-05 02:11:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 02:11:16,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-05 02:11:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 02:11:16,735 INFO L225 Difference]: With dead ends: 21 [2021-07-05 02:11:16,735 INFO L226 Difference]: Without dead ends: 9 [2021-07-05 02:11:16,737 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 02:11:16,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-07-05 02:11:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-07-05 02:11:16,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-07-05 02:11:16,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2021-07-05 02:11:16,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 02:11:16,757 INFO L442 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-07-05 02:11:16,758 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-07-05 02:11:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-07-05 02:11:16,759 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 02:11:16,759 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-07-05 02:11:16,759 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 02:11:16,760 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 02:11:16,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 02:11:16,764 INFO L82 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times [2021-07-05 02:11:16,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 02:11:16,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748788526] [2021-07-05 02:11:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 02:11:16,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 02:11:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 02:11:16,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 02:11:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 02:11:16,820 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-07-05 02:11:16,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 02:11:16,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 02:11:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 02:11:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 02:11:16,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 02:11:16,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748788526] [2021-07-05 02:11:16,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748788526] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 02:11:16,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 02:11:16,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 02:11:16,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581375146] [2021-07-05 02:11:16,860 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 02:11:16,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 02:11:16,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 02:11:16,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 02:11:16,863 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 02:11:16,879 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2021-07-05 02:11:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 02:11:16,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-07-05 02:11:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 02:11:16,880 INFO L225 Difference]: With dead ends: 16 [2021-07-05 02:11:16,881 INFO L226 Difference]: Without dead ends: 12 [2021-07-05 02:11:16,881 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 02:11:16,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-07-05 02:11:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2021-07-05 02:11:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-07-05 02:11:16,885 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2021-07-05 02:11:16,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 02:11:16,885 INFO L442 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-07-05 02:11:16,885 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 02:11:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-07-05 02:11:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-07-05 02:11:16,886 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 02:11:16,887 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 02:11:16,887 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 02:11:16,888 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 02:11:16,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 02:11:16,890 INFO L82 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times [2021-07-05 02:11:16,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 02:11:16,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393201650] [2021-07-05 02:11:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 02:11:16,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 02:11:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 02:11:16,918 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 02:11:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 02:11:16,939 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 02:11:16,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-05 02:11:16,959 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-05 02:11:16,963 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 02:11:16,963 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 02:11:16,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 02:11:16 BoogieIcfgContainer [2021-07-05 02:11:16,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 02:11:16,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 02:11:16,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 02:11:16,988 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 02:11:16,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 02:11:16" (3/4) ... [2021-07-05 02:11:16,989 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-07-05 02:11:17,018 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 02:11:17,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 02:11:17,019 INFO L168 Benchmark]: Toolchain (without parser) took 1085.60 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.1 MB in the beginning and 54.8 MB in the end (delta: -19.7 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,019 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 02:11:17,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.56 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.38 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,020 INFO L168 Benchmark]: Boogie Preprocessor took 31.27 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 02:11:17,021 INFO L168 Benchmark]: RCFGBuilder took 262.09 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 25.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,021 INFO L168 Benchmark]: TraceAbstraction took 514.48 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 24.7 MB in the beginning and 56.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,021 INFO L168 Benchmark]: Witness Printer took 31.20 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 02:11:17,023 INFO L339 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 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 190.56 ms. Allocated memory is still 56.6 MB. Free memory was 34.9 MB in the beginning and 40.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.38 ms. Allocated memory is still 56.6 MB. Free memory was 40.6 MB in the beginning and 39.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.27 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 38.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 262.09 ms. Allocated memory is still 56.6 MB. Free memory was 38.0 MB in the beginning and 25.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 514.48 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 24.7 MB in the beginning and 56.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Witness Printer took 31.20 ms. Allocated memory is still 77.6 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 7]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L15] unsigned int SIZE=1; [L16] unsigned int j,k; [L17] int array[SIZE], menor; [L19] menor = __VERIFIER_nondet_int() [L21] j=0 [L21] COND TRUE j