./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/res1of.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/res1of.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 eb6d7af94d79d093d56acf241012a79e58e902f8 ................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:35:46,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:35:46,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:35:46,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:35:46,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:35:46,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:35:46,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:35:46,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:35:46,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:35:46,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:35:46,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:35:46,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:35:46,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:35:46,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:35:46,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:35:46,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:35:46,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:35:46,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:35:46,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:35:46,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:35:46,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:35:46,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:35:46,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:35:46,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:35:46,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:35:46,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:35:46,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:35:46,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:35:46,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:35:46,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:35:46,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:35:46,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:35:46,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:35:46,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:35:46,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:35:46,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:35:46,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:35:46,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:35:46,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:35:46,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:35:46,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:35:46,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:35:46,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:35:46,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:35:46,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:35:46,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:35:46,423 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:35:46,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:35:46,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:35:46,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:35:46,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:35:46,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:35:46,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:35:46,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:35:46,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:35:46,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:35:46,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:35:46,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:35:46,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:35:46,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:35:46,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:35:46,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:35:46,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:35:46,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:35:46,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:35:46,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:35:46,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:35:46,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:35:46,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:35:46,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:35:46,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:35:46,430 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 -> eb6d7af94d79d093d56acf241012a79e58e902f8 [2019-11-28 15:35:46,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:35:46,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:35:46,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:35:46,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:35:46,793 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:35:46,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/res1of.c [2019-11-28 15:35:46,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d567bbab/4c40afeef9c54576b4b084f1ff82793a/FLAGc41ba5eb6 [2019-11-28 15:35:47,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:35:47,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res1of.c [2019-11-28 15:35:47,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d567bbab/4c40afeef9c54576b4b084f1ff82793a/FLAGc41ba5eb6 [2019-11-28 15:35:47,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d567bbab/4c40afeef9c54576b4b084f1ff82793a [2019-11-28 15:35:47,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:35:47,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:35:47,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:35:47,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:35:47,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:35:47,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:47" (1/1) ... [2019-11-28 15:35:47,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6ac0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:47, skipping insertion in model container [2019-11-28 15:35:47,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:47" (1/1) ... [2019-11-28 15:35:47,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:35:47,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:35:47,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:35:47,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:35:47,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:35:48,053 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:35:48,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48 WrapperNode [2019-11-28 15:35:48,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:35:48,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:35:48,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:35:48,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:35:48,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:35:48,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:35:48,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:35:48,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:35:48,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (1/1) ... [2019-11-28 15:35:48,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:35:48,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:35:48,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:35:48,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:35:48,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (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 15:35:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 15:35:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 15:35:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 15:35:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:35:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:35:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 15:35:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 15:35:48,464 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:35:48,464 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 15:35:48,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:48 BoogieIcfgContainer [2019-11-28 15:35:48,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:35:48,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:35:48,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:35:48,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:35:48,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:35:47" (1/3) ... [2019-11-28 15:35:48,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a254cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:48, skipping insertion in model container [2019-11-28 15:35:48,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:48" (2/3) ... [2019-11-28 15:35:48,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a254cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:35:48, skipping insertion in model container [2019-11-28 15:35:48,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:48" (3/3) ... [2019-11-28 15:35:48,484 INFO L109 eAbstractionObserver]: Analyzing ICFG res1of.c [2019-11-28 15:35:48,502 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:35:48,509 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:35:48,522 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:35:48,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:35:48,546 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:35:48,546 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:35:48,546 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:35:48,546 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:35:48,546 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:35:48,546 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:35:48,547 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:35:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-28 15:35:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 15:35:48,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:35:48,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:35:48,568 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:35:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:35:48,575 INFO L82 PathProgramCache]: Analyzing trace with hash 920027386, now seen corresponding path program 1 times [2019-11-28 15:35:48,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:35:48,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923228229] [2019-11-28 15:35:48,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:35:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:35:48,718 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 15:35:48,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923228229] [2019-11-28 15:35:48,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:35:48,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:35:48,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723470035] [2019-11-28 15:35:48,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 15:35:48,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:35:48,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 15:35:48,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 15:35:48,740 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-28 15:35:48,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:35:48,756 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-28 15:35:48,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 15:35:48,757 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-28 15:35:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:35:48,768 INFO L225 Difference]: With dead ends: 39 [2019-11-28 15:35:48,768 INFO L226 Difference]: Without dead ends: 18 [2019-11-28 15:35:48,771 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 15:35:48,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-28 15:35:48,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-28 15:35:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 15:35:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-28 15:35:48,808 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2019-11-28 15:35:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:35:48,808 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 15:35:48,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 15:35:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-28 15:35:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 15:35:48,809 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:35:48,810 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:35:48,810 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:35:48,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:35:48,810 INFO L82 PathProgramCache]: Analyzing trace with hash 232180998, now seen corresponding path program 1 times [2019-11-28 15:35:48,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:35:48,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539667028] [2019-11-28 15:35:48,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:35:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:35:48,944 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 15:35:48,944 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539667028] [2019-11-28 15:35:48,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:35:48,945 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:35:48,946 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679905079] [2019-11-28 15:35:48,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:35:48,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:35:48,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:35:48,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:35:48,949 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2019-11-28 15:35:49,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:35:49,043 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-11-28 15:35:49,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:35:49,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-28 15:35:49,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:35:49,045 INFO L225 Difference]: With dead ends: 29 [2019-11-28 15:35:49,045 INFO L226 Difference]: Without dead ends: 25 [2019-11-28 15:35:49,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:35:49,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-28 15:35:49,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-28 15:35:49,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-28 15:35:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2019-11-28 15:35:49,053 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 13 [2019-11-28 15:35:49,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:35:49,053 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2019-11-28 15:35:49,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:35:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2019-11-28 15:35:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 15:35:49,054 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:35:49,054 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:35:49,055 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:35:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:35:49,055 INFO L82 PathProgramCache]: Analyzing trace with hash -159126488, now seen corresponding path program 1 times [2019-11-28 15:35:49,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:35:49,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024550056] [2019-11-28 15:35:49,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:35:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:35:49,106 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 15:35:49,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024550056] [2019-11-28 15:35:49,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:35:49,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:35:49,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715340514] [2019-11-28 15:35:49,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:35:49,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:35:49,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:35:49,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:35:49,109 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand 3 states. [2019-11-28 15:35:49,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:35:49,155 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2019-11-28 15:35:49,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:35:49,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-28 15:35:49,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:35:49,157 INFO L225 Difference]: With dead ends: 38 [2019-11-28 15:35:49,157 INFO L226 Difference]: Without dead ends: 20 [2019-11-28 15:35:49,158 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 15:35:49,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-28 15:35:49,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2019-11-28 15:35:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 15:35:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2019-11-28 15:35:49,162 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 15 [2019-11-28 15:35:49,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:35:49,163 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2019-11-28 15:35:49,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:35:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-11-28 15:35:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 15:35:49,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:35:49,164 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:35:49,164 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:35:49,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:35:49,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1949301912, now seen corresponding path program 1 times [2019-11-28 15:35:49,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:35:49,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581694801] [2019-11-28 15:35:49,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:35:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:35:49,253 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 15:35:49,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581694801] [2019-11-28 15:35:49,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:35:49,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:35:49,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566578966] [2019-11-28 15:35:49,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:35:49,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:35:49,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:35:49,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:35:49,257 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand 4 states. [2019-11-28 15:35:49,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:35:49,349 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2019-11-28 15:35:49,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:35:49,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-11-28 15:35:49,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:35:49,351 INFO L225 Difference]: With dead ends: 36 [2019-11-28 15:35:49,351 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 15:35:49,352 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 15:35:49,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 15:35:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-28 15:35:49,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 15:35:49,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-28 15:35:49,360 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2019-11-28 15:35:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:35:49,361 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-28 15:35:49,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:35:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-28 15:35:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 15:35:49,363 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:35:49,363 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:35:49,363 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:35:49,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:35:49,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1949747954, now seen corresponding path program 1 times [2019-11-28 15:35:49,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:35:49,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350757409] [2019-11-28 15:35:49,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:35:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:35:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:35:49,531 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:35:49,531 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:35:49,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:35:49 BoogieIcfgContainer [2019-11-28 15:35:49,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:35:49,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:35:49,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:35:49,571 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:35:49,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:35:48" (3/4) ... [2019-11-28 15:35:49,573 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:35:49,632 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:35:49,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:35:49,635 INFO L168 Benchmark]: Toolchain (without parser) took 1931.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2019-11-28 15:35:49,636 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:35:49,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:35:49,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:35:49,638 INFO L168 Benchmark]: Boogie Preprocessor took 26.93 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 15:35:49,639 INFO L168 Benchmark]: RCFGBuilder took 341.03 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:35:49,640 INFO L168 Benchmark]: TraceAbstraction took 1102.46 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: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:35:49,640 INFO L168 Benchmark]: Witness Printer took 62.27 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 15:35:49,644 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.93 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 341.03 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: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1102.46 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: 66.2 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. * Witness Printer took 62.27 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 sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L25] int *b = malloc(sizeof(int)*N); [L27] sum[0] = 0 [L28] i=0 VAL [N=1] [L28] COND TRUE i