./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-sets/test_add-1.i --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/ldv-sets/test_add-1.i -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 0f26903d601d84bcfe738256ba3a8dbce35e2085 ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:59:47,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:59:47,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:59:47,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:59:47,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:59:47,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:59:47,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:59:47,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:59:47,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:59:47,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:59:47,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:59:47,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:59:47,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:59:47,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:59:47,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:59:47,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:59:47,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:59:47,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:59:47,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:59:47,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:59:47,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:59:47,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:59:47,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:59:47,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:59:47,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:59:47,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:59:47,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:59:47,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:59:47,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:59:47,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:59:47,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:59:47,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:59:47,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:59:47,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:59:47,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:59:47,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:59:47,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:59:47,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:59:47,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:59:47,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:59:47,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:59:47,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:59:47,552 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:59:47,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:59:47,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:59:47,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:59:47,554 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:59:47,554 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:59:47,554 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:59:47,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:59:47,555 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:59:47,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:59:47,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:59:47,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:59:47,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:59:47,556 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:59:47,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:59:47,556 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:59:47,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:59:47,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:59:47,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:59:47,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:59:47,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:59:47,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:59:47,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:59:47,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:59:47,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:59:47,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:59:47,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:59:47,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:59:47,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:59:47,559 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 -> 0f26903d601d84bcfe738256ba3a8dbce35e2085 [2019-11-28 16:59:47,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:59:47,913 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:59:47,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:59:47,917 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:59:47,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:59:47,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-1.i [2019-11-28 16:59:47,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23e01c4/15cf2ef928e44846ab309300655b1061/FLAG1f7570d2a [2019-11-28 16:59:48,508 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:59:48,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-1.i [2019-11-28 16:59:48,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23e01c4/15cf2ef928e44846ab309300655b1061/FLAG1f7570d2a [2019-11-28 16:59:48,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c23e01c4/15cf2ef928e44846ab309300655b1061 [2019-11-28 16:59:48,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:59:48,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:59:48,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:59:48,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:59:48,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:59:48,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:48" (1/1) ... [2019-11-28 16:59:48,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3122eb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:48, skipping insertion in model container [2019-11-28 16:59:48,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:48" (1/1) ... [2019-11-28 16:59:48,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:59:48,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:59:49,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:59:49,413 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:59:49,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:59:49,547 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:59:49,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49 WrapperNode [2019-11-28 16:59:49,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:59:49,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:59:49,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:59:49,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:59:49,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:59:49,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:59:49,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:59:49,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:59:49,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (1/1) ... [2019-11-28 16:59:49,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:59:49,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:59:49,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:59:49,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:59:49,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (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 16:59:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:59:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:59:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 16:59:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 16:59:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:59:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 16:59:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 16:59:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:59:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:59:50,140 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:59:50,140 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-11-28 16:59:50,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50 BoogieIcfgContainer [2019-11-28 16:59:50,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:59:50,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:59:50,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:59:50,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:59:50,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:59:48" (1/3) ... [2019-11-28 16:59:50,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a50b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:50, skipping insertion in model container [2019-11-28 16:59:50,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:49" (2/3) ... [2019-11-28 16:59:50,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a50b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:50, skipping insertion in model container [2019-11-28 16:59:50,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50" (3/3) ... [2019-11-28 16:59:50,151 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i [2019-11-28 16:59:50,162 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:59:50,170 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:59:50,180 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:59:50,200 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:59:50,200 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:59:50,200 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:59:50,201 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:59:50,201 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:59:50,201 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:59:50,201 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:59:50,202 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:59:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-28 16:59:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:59:50,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:59:50,227 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:59:50,227 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:59:50,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:59:50,232 INFO L82 PathProgramCache]: Analyzing trace with hash -923442845, now seen corresponding path program 1 times [2019-11-28 16:59:50,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:59:50,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947099999] [2019-11-28 16:59:50,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:59:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:59:50,382 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 16:59:50,383 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947099999] [2019-11-28 16:59:50,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:59:50,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:59:50,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469435279] [2019-11-28 16:59:50,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:59:50,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:59:50,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:59:50,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:59:50,406 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2019-11-28 16:59:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:59:50,422 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2019-11-28 16:59:50,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:59:50,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-28 16:59:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:59:50,432 INFO L225 Difference]: With dead ends: 41 [2019-11-28 16:59:50,432 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 16:59:50,436 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 16:59:50,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 16:59:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 16:59:50,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 16:59:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2019-11-28 16:59:50,465 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12 [2019-11-28 16:59:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:59:50,466 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2019-11-28 16:59:50,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:59:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-28 16:59:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:59:50,467 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:59:50,467 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:59:50,467 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:59:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:59:50,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1228046979, now seen corresponding path program 1 times [2019-11-28 16:59:50,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:59:50,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519566703] [2019-11-28 16:59:50,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:59:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:59:50,549 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 16:59:50,549 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519566703] [2019-11-28 16:59:50,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:59:50,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:59:50,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171855960] [2019-11-28 16:59:50,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:59:50,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:59:50,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:59:50,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:59:50,553 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 4 states. [2019-11-28 16:59:50,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:59:50,633 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2019-11-28 16:59:50,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:59:50,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-28 16:59:50,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:59:50,635 INFO L225 Difference]: With dead ends: 37 [2019-11-28 16:59:50,635 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 16:59:50,636 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 16:59:50,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 16:59:50,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2019-11-28 16:59:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 16:59:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-28 16:59:50,646 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2019-11-28 16:59:50,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:59:50,647 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-28 16:59:50,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:59:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-28 16:59:50,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:59:50,647 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:59:50,648 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:59:50,649 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:59:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:59:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1885213511, now seen corresponding path program 1 times [2019-11-28 16:59:50,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:59:50,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181376054] [2019-11-28 16:59:50,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:59:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:59:50,731 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 16:59:50,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181376054] [2019-11-28 16:59:50,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:59:50,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 16:59:50,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846466779] [2019-11-28 16:59:50,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:59:50,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:59:50,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:59:50,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:59:50,734 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2019-11-28 16:59:50,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:59:50,780 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2019-11-28 16:59:50,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:59:50,781 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-28 16:59:50,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:59:50,782 INFO L225 Difference]: With dead ends: 28 [2019-11-28 16:59:50,782 INFO L226 Difference]: Without dead ends: 23 [2019-11-28 16:59:50,783 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 16:59:50,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-28 16:59:50,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2019-11-28 16:59:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 16:59:50,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2019-11-28 16:59:50,787 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2019-11-28 16:59:50,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:59:50,788 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-28 16:59:50,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:59:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2019-11-28 16:59:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:59:50,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:59:50,789 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:59:50,789 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:59:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:59:50,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1883604797, now seen corresponding path program 1 times [2019-11-28 16:59:50,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:59:50,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676152256] [2019-11-28 16:59:50,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:59:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:59:50,975 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 16:59:50,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676152256] [2019-11-28 16:59:50,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:59:50,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:59:50,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305163258] [2019-11-28 16:59:50,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:59:50,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:59:50,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:59:50,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:59:50,980 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand 4 states. [2019-11-28 16:59:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:59:51,074 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2019-11-28 16:59:51,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 16:59:51,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-28 16:59:51,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:59:51,075 INFO L225 Difference]: With dead ends: 34 [2019-11-28 16:59:51,076 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 16:59:51,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 16:59:51,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 16:59:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 16:59:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 16:59:51,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-28 16:59:51,082 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 12 [2019-11-28 16:59:51,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:59:51,082 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-28 16:59:51,082 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:59:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-28 16:59:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:59:51,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:59:51,084 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:59:51,084 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:59:51,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:59:51,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2055661832, now seen corresponding path program 1 times [2019-11-28 16:59:51,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:59:51,086 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565520513] [2019-11-28 16:59:51,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:59:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:59:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:59:51,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:59:51,291 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:59:51,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:59:51 BoogieIcfgContainer [2019-11-28 16:59:51,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:59:51,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:59:51,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:59:51,343 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:59:51,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:50" (3/4) ... [2019-11-28 16:59:51,346 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 16:59:51,410 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:59:51,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:59:51,413 INFO L168 Benchmark]: Toolchain (without parser) took 2541.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.9 MB in the beginning and 996.4 MB in the end (delta: -49.4 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:59:51,413 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:59:51,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:59:51,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.70 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 16:59:51,415 INFO L168 Benchmark]: Boogie Preprocessor took 33.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:59:51,416 INFO L168 Benchmark]: RCFGBuilder took 493.85 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:59:51,417 INFO L168 Benchmark]: TraceAbstraction took 1199.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:59:51,417 INFO L168 Benchmark]: Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory is still 996.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:59:51,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.70 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. * Boogie Preprocessor took 33.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 493.85 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1199.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.4 MB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Witness Printer took 67.44 ms. Allocated memory is still 1.2 GB. Free memory is still 996.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 653]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L648] struct ldv_list_head s1 = { &(s1), &(s1) }; VAL [s1={7:0}] [L651] int j = __VERIFIER_nondet_int(); [L637] struct ldv_list_element *m; [L638] EXPR (s)->next [L638] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L638] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [s1={7:0}] [L638] COND FALSE !(&m->list != (s)) VAL [s1={7:0}] [L643] return 0; VAL [s1={7:0}] [L619] COND TRUE !ldv_is_in_set(new, s) [L620] struct ldv_list_element *le; [L562] void *ptr = malloc(size); [L564] return ptr; VAL [s1={7:0}] [L621] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L622] le->e = new [L591] head->next [L579] next->prev = new [L580] new->next = next [L581] new->prev = prev [L582] prev->next = new VAL [s1={7:0}] [L637] struct ldv_list_element *m; [L638] EXPR (s)->next [L638] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L638] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [s1={7:0}] [L638] COND TRUE &m->list != (s) [L639] EXPR m->e VAL [s1={7:0}] [L639] COND TRUE m->e == e [L640] return 1; VAL [s1={7:0}] [L653] COND TRUE ldv_is_in_set(j, &s1) [L653] __VERIFIER_error() VAL [s1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 82 SDtfs, 21 SDslu, 81 SDs, 0 SdLazy, 39 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...