./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.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 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-2e94e6a [2018-12-31 09:42:25,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 09:42:25,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 09:42:25,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 09:42:25,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 09:42:25,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 09:42:25,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 09:42:25,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 09:42:25,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 09:42:25,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 09:42:25,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 09:42:25,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 09:42:25,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 09:42:25,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 09:42:25,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 09:42:25,433 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 09:42:25,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 09:42:25,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 09:42:25,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 09:42:25,440 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 09:42:25,441 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 09:42:25,442 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 09:42:25,445 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 09:42:25,445 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 09:42:25,445 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 09:42:25,447 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 09:42:25,448 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 09:42:25,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 09:42:25,450 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 09:42:25,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 09:42:25,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 09:42:25,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 09:42:25,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 09:42:25,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 09:42:25,454 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 09:42:25,455 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 09:42:25,455 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 09:42:25,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 09:42:25,471 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 09:42:25,472 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 09:42:25,472 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 09:42:25,472 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 09:42:25,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 09:42:25,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 09:42:25,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 09:42:25,475 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 09:42:25,475 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 09:42:25,475 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 09:42:25,475 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 09:42:25,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 09:42:25,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 09:42:25,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 09:42:25,477 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 09:42:25,477 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 09:42:25,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 09:42:25,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 09:42:25,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 09:42:25,478 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 09:42:25,478 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 09:42:25,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 09:42:25,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2018-12-31 09:42:25,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 09:42:25,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 09:42:25,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 09:42:25,536 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 09:42:25,537 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 09:42:25,538 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:25,601 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccb49d06/85199d07b32e498aba513334d8572ca9/FLAG10700e479 [2018-12-31 09:42:26,168 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 09:42:26,169 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:26,181 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccb49d06/85199d07b32e498aba513334d8572ca9/FLAG10700e479 [2018-12-31 09:42:26,590 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccb49d06/85199d07b32e498aba513334d8572ca9 [2018-12-31 09:42:26,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 09:42:26,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 09:42:26,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:26,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 09:42:26,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 09:42:26,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:26" (1/1) ... [2018-12-31 09:42:26,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f59dc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:26, skipping insertion in model container [2018-12-31 09:42:26,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 09:42:26" (1/1) ... [2018-12-31 09:42:26,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 09:42:26,679 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 09:42:27,061 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:27,090 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 09:42:27,240 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 09:42:27,275 INFO L195 MainTranslator]: Completed translation [2018-12-31 09:42:27,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27 WrapperNode [2018-12-31 09:42:27,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 09:42:27,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:27,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 09:42:27,278 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 09:42:27,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 09:42:27,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 09:42:27,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 09:42:27,364 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 09:42:27,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (1/1) ... [2018-12-31 09:42:27,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 09:42:27,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 09:42:27,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 09:42:27,406 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 09:42:27,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (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 [2018-12-31 09:42:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 09:42:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-31 09:42:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 09:42:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 09:42:28,601 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 09:42:28,601 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-12-31 09:42:28,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:28 BoogieIcfgContainer [2018-12-31 09:42:28,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 09:42:28,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 09:42:28,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 09:42:28,608 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 09:42:28,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 09:42:26" (1/3) ... [2018-12-31 09:42:28,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1490152c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:28, skipping insertion in model container [2018-12-31 09:42:28,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 09:42:27" (2/3) ... [2018-12-31 09:42:28,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1490152c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 09:42:28, skipping insertion in model container [2018-12-31 09:42:28,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:28" (3/3) ... [2018-12-31 09:42:28,613 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05_false-unreach-call_false-termination.cil.c [2018-12-31 09:42:28,625 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 09:42:28,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-12-31 09:42:28,654 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-12-31 09:42:28,690 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 09:42:28,690 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 09:42:28,690 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 09:42:28,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 09:42:28,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 09:42:28,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 09:42:28,691 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 09:42:28,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 09:42:28,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 09:42:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-31 09:42:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-31 09:42:28,716 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:28,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:28,720 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash 452053251, now seen corresponding path program 1 times [2018-12-31 09:42:28,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:28,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:28,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:28,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:28,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:29,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:29,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:29,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 09:42:29,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 09:42:29,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 09:42:29,040 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-31 09:42:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:29,073 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2018-12-31 09:42:29,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 09:42:29,076 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-31 09:42:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:29,090 INFO L225 Difference]: With dead ends: 144 [2018-12-31 09:42:29,090 INFO L226 Difference]: Without dead ends: 71 [2018-12-31 09:42:29,095 INFO L631 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 [2018-12-31 09:42:29,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-31 09:42:29,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-31 09:42:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-31 09:42:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2018-12-31 09:42:29,140 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 18 [2018-12-31 09:42:29,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:29,140 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2018-12-31 09:42:29,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 09:42:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-12-31 09:42:29,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 09:42:29,142 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:29,142 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:29,142 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:29,143 INFO L82 PathProgramCache]: Analyzing trace with hash -458977502, now seen corresponding path program 1 times [2018-12-31 09:42:29,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:29,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:29,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:29,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:29,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:29,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-31 09:42:29,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:29,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:29,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:29,330 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2018-12-31 09:42:29,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:29,360 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2018-12-31 09:42:29,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:29,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-31 09:42:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:29,366 INFO L225 Difference]: With dead ends: 71 [2018-12-31 09:42:29,367 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:42:29,368 INFO L631 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 [2018-12-31 09:42:29,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:42:29,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:42:29,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:42:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2018-12-31 09:42:29,377 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2018-12-31 09:42:29,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:29,377 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2018-12-31 09:42:29,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2018-12-31 09:42:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-31 09:42:29,379 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:29,379 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:29,380 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:29,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:29,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1835969560, now seen corresponding path program 1 times [2018-12-31 09:42:29,380 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:29,380 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:29,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:29,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:29,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:29,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 09:42:29,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-31 09:42:29,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-31 09:42:29,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:29,574 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2018-12-31 09:42:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:29,595 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-12-31 09:42:29,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-31 09:42:29,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-12-31 09:42:29,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:29,597 INFO L225 Difference]: With dead ends: 60 [2018-12-31 09:42:29,597 INFO L226 Difference]: Without dead ends: 33 [2018-12-31 09:42:29,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-31 09:42:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-31 09:42:29,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-31 09:42:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-31 09:42:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2018-12-31 09:42:29,610 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2018-12-31 09:42:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:29,610 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2018-12-31 09:42:29,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-31 09:42:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-12-31 09:42:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-31 09:42:29,612 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:29,612 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:29,614 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:29,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:29,615 INFO L82 PathProgramCache]: Analyzing trace with hash -678170013, now seen corresponding path program 1 times [2018-12-31 09:42:29,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:29,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:29,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:29,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 09:42:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 09:42:29,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 09:42:29,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 09:42:29,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 09:42:29,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 09:42:29,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-31 09:42:29,753 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2018-12-31 09:42:30,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 09:42:30,196 INFO L93 Difference]: Finished difference Result 158 states and 234 transitions. [2018-12-31 09:42:30,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 09:42:30,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-12-31 09:42:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 09:42:30,206 INFO L225 Difference]: With dead ends: 158 [2018-12-31 09:42:30,206 INFO L226 Difference]: Without dead ends: 131 [2018-12-31 09:42:30,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-31 09:42:30,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-31 09:42:30,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 56. [2018-12-31 09:42:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-31 09:42:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2018-12-31 09:42:30,234 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 25 [2018-12-31 09:42:30,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 09:42:30,234 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2018-12-31 09:42:30,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 09:42:30,237 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2018-12-31 09:42:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-31 09:42:30,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 09:42:30,239 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 09:42:30,240 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 09:42:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 09:42:30,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1657488293, now seen corresponding path program 1 times [2018-12-31 09:42:30,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 09:42:30,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 09:42:30,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:30,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 09:42:30,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 09:42:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 09:42:30,875 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 09:42:30,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 09:42:30 BoogieIcfgContainer [2018-12-31 09:42:30,998 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 09:42:30,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 09:42:30,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 09:42:30,999 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 09:42:31,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 09:42:28" (3/4) ... [2018-12-31 09:42:31,003 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-31 09:42:31,128 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 09:42:31,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 09:42:31,131 INFO L168 Benchmark]: Toolchain (without parser) took 4533.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.7 MB in the beginning and 869.3 MB in the end (delta: 83.4 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:31,132 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:31,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:31,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:31,140 INFO L168 Benchmark]: Boogie Preprocessor took 41.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 09:42:31,140 INFO L168 Benchmark]: RCFGBuilder took 1197.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:31,141 INFO L168 Benchmark]: TraceAbstraction took 2394.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 883.0 MB in the end (delta: 164.3 MB). Peak memory consumption was 164.3 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:31,141 INFO L168 Benchmark]: Witness Printer took 130.14 ms. Allocated memory is still 1.1 GB. Free memory was 883.0 MB in the beginning and 869.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-31 09:42:31,148 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 679.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.16 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1197.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2394.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 883.0 MB in the end (delta: 164.3 MB). Peak memory consumption was 164.3 MB. Max. memory is 11.5 GB. * Witness Printer took 130.14 ms. Allocated memory is still 1.1 GB. Free memory was 883.0 MB in the beginning and 869.3 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L370] int retValue_acc ; [L371] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) [L132] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. UNSAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 262 SDtfs, 239 SDslu, 173 SDs, 0 SdLazy, 36 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...