./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/res1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/res1f.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 5db13eecb169805db50191c4d332f3f213c27dc6 ................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:31:11,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:31:11,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:31:11,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:31:11,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:31:11,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:31:11,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:31:11,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:31:11,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:31:11,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:31:11,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:31:11,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:31:11,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:31:11,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:31:11,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:31:11,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:31:11,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:31:11,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:31:11,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:31:11,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:31:11,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:31:11,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:31:11,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:31:11,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:31:11,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:31:11,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:31:11,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:31:11,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:31:11,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:31:11,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:31:11,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:31:11,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:31:11,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:31:11,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:31:11,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:31:11,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:31:11,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:31:11,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:31:11,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:31:11,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:31:11,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:31:11,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:31:11,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:31:11,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:31:11,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:31:11,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:31:11,160 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:31:11,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:31:11,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:31:11,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:31:11,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:31:11,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:31:11,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:31:11,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:31:11,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:31:11,165 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:31:11,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:31:11,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:31:11,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:31:11,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:31:11,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:31:11,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:31:11,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:31:11,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:31:11,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:31:11,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:31:11,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:31:11,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:31:11,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:31:11,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:31:11,170 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 -> 5db13eecb169805db50191c4d332f3f213c27dc6 [2019-11-27 22:31:11,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:31:11,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:31:11,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:31:11,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:31:11,513 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:31:11,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/res1f.c [2019-11-27 22:31:11,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce5e49d4/303dc71e533c463cb110a6879c98d043/FLAG8e7150191 [2019-11-27 22:31:11,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:31:11,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/res1f.c [2019-11-27 22:31:11,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce5e49d4/303dc71e533c463cb110a6879c98d043/FLAG8e7150191 [2019-11-27 22:31:12,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ce5e49d4/303dc71e533c463cb110a6879c98d043 [2019-11-27 22:31:12,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:31:12,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:31:12,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:31:12,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:31:12,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:31:12,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c44cb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12, skipping insertion in model container [2019-11-27 22:31:12,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:31:12,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:31:12,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:31:12,639 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:31:12,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:31:12,690 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:31:12,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12 WrapperNode [2019-11-27 22:31:12,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:31:12,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:31:12,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:31:12,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:31:12,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:31:12,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:31:12,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:31:12,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:31:12,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... [2019-11-27 22:31:12,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:31:12,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:31:12,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:31:12,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:31:12,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:31:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 22:31:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 22:31:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-27 22:31:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:31:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:31:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 22:31:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 22:31:13,224 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:31:13,225 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 22:31:13,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:13 BoogieIcfgContainer [2019-11-27 22:31:13,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:31:13,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:31:13,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:31:13,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:31:13,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:31:12" (1/3) ... [2019-11-27 22:31:13,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f98bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:31:13, skipping insertion in model container [2019-11-27 22:31:13,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:31:12" (2/3) ... [2019-11-27 22:31:13,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f98bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:31:13, skipping insertion in model container [2019-11-27 22:31:13,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:13" (3/3) ... [2019-11-27 22:31:13,234 INFO L109 eAbstractionObserver]: Analyzing ICFG res1f.c [2019-11-27 22:31:13,245 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:31:13,251 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:31:13,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:31:13,285 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:31:13,285 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:31:13,285 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:31:13,286 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:31:13,286 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:31:13,286 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:31:13,286 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:31:13,287 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:31:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-27 22:31:13,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 22:31:13,305 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:13,306 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:13,307 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:13,311 INFO L82 PathProgramCache]: Analyzing trace with hash 920027386, now seen corresponding path program 1 times [2019-11-27 22:31:13,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:13,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839230372] [2019-11-27 22:31:13,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:31:13,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839230372] [2019-11-27 22:31:13,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:13,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 22:31:13,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073261383] [2019-11-27 22:31:13,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 22:31:13,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:13,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 22:31:13,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:31:13,477 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2019-11-27 22:31:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:13,491 INFO L93 Difference]: Finished difference Result 39 states and 54 transitions. [2019-11-27 22:31:13,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 22:31:13,492 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2019-11-27 22:31:13,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:13,501 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:31:13,501 INFO L226 Difference]: Without dead ends: 18 [2019-11-27 22:31:13,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 22:31:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-27 22:31:13,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-27 22:31:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-27 22:31:13,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-27 22:31:13,538 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 13 [2019-11-27 22:31:13,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:13,539 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-27 22:31:13,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 22:31:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2019-11-27 22:31:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 22:31:13,540 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:13,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:13,540 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:13,541 INFO L82 PathProgramCache]: Analyzing trace with hash 232180998, now seen corresponding path program 1 times [2019-11-27 22:31:13,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:13,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127375963] [2019-11-27 22:31:13,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:13,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 22:31:13,670 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127375963] [2019-11-27 22:31:13,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:13,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:31:13,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397483218] [2019-11-27 22:31:13,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:31:13,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:13,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:31:13,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:31:13,677 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2019-11-27 22:31:13,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:13,760 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2019-11-27 22:31:13,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:31:13,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-27 22:31:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:13,762 INFO L225 Difference]: With dead ends: 25 [2019-11-27 22:31:13,762 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 22:31:13,764 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 [2019-11-27 22:31:13,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 22:31:13,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 22:31:13,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 22:31:13,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-27 22:31:13,771 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2019-11-27 22:31:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:13,771 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-27 22:31:13,771 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:31:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-27 22:31:13,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 22:31:13,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:13,773 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:13,773 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:13,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:13,774 INFO L82 PathProgramCache]: Analyzing trace with hash -159126488, now seen corresponding path program 1 times [2019-11-27 22:31:13,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:13,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315664326] [2019-11-27 22:31:13,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-27 22:31:13,837 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315664326] [2019-11-27 22:31:13,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:13,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-27 22:31:13,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156075842] [2019-11-27 22:31:13,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-27 22:31:13,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:13,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-27 22:31:13,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:31:13,839 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-11-27 22:31:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:13,886 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-27 22:31:13,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-27 22:31:13,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2019-11-27 22:31:13,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:13,888 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:31:13,888 INFO L226 Difference]: Without dead ends: 23 [2019-11-27 22:31:13,889 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-27 22:31:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-27 22:31:13,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2019-11-27 22:31:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-27 22:31:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2019-11-27 22:31:13,895 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 15 [2019-11-27 22:31:13,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:13,895 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2019-11-27 22:31:13,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-27 22:31:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-27 22:31:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-27 22:31:13,896 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:13,896 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 22:31:13,897 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:13,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:13,897 INFO L82 PathProgramCache]: Analyzing trace with hash -620162550, now seen corresponding path program 1 times [2019-11-27 22:31:13,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:13,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238185898] [2019-11-27 22:31:13,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 22:31:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-27 22:31:13,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238185898] [2019-11-27 22:31:13,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 22:31:13,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-27 22:31:13,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054425376] [2019-11-27 22:31:13,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-27 22:31:13,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 22:31:13,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-27 22:31:13,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-27 22:31:13,964 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2019-11-27 22:31:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 22:31:14,049 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2019-11-27 22:31:14,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 22:31:14,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-11-27 22:31:14,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 22:31:14,050 INFO L225 Difference]: With dead ends: 39 [2019-11-27 22:31:14,050 INFO L226 Difference]: Without dead ends: 26 [2019-11-27 22:31:14,051 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 [2019-11-27 22:31:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-27 22:31:14,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2019-11-27 22:31:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-27 22:31:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2019-11-27 22:31:14,056 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 17 [2019-11-27 22:31:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 22:31:14,056 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2019-11-27 22:31:14,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-27 22:31:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2019-11-27 22:31:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-27 22:31:14,057 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:31:14,058 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] [2019-11-27 22:31:14,058 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:31:14,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:31:14,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1949747954, now seen corresponding path program 1 times [2019-11-27 22:31:14,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:31:14,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433868495] [2019-11-27 22:31:14,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:31:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:31:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:31:14,167 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:31:14,168 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:31:14,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:31:14 BoogieIcfgContainer [2019-11-27 22:31:14,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:31:14,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:31:14,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:31:14,231 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:31:14,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:31:13" (3/4) ... [2019-11-27 22:31:14,234 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:31:14,300 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:31:14,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:31:14,303 INFO L168 Benchmark]: Toolchain (without parser) took 1948.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:14,303 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:31:14,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:14,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:14,305 INFO L168 Benchmark]: Boogie Preprocessor took 32.28 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. [2019-11-27 22:31:14,306 INFO L168 Benchmark]: RCFGBuilder took 411.55 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:14,307 INFO L168 Benchmark]: TraceAbstraction took 1002.95 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:31:14,307 INFO L168 Benchmark]: Witness Printer took 69.77 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. [2019-11-27 22:31:14,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.87 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 90.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.28 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 411.55 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1002.95 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: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * Witness Printer took 69.77 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] = 1 [L28] i=0 VAL [N=1] [L28] COND TRUE i