./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product24.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 2802309dbd9334e3c65161de741c9f21c5d465d0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:45,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:45,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:45,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:45,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:45,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:45,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:45,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:45,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:45,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:45,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:45,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:45,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:45,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:45,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:45,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:45,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:45,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:45,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:45,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:45,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:45,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:45,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:45,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:45,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:45,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:45,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:45,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:45,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:45,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:45,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:45,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:45,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:45,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:45,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:45,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:45,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:45,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:45,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:45,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:45,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:45,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:45,504 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:45,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:45,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:45,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:45,506 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:45,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:45,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:45,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:45,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:45,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:45,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:45,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:45,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:45,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:45,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:45,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:45,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:45,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:45,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:45,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:45,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:45,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:45,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:45,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:45,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:45,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:45,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:45,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:45,513 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 -> 2802309dbd9334e3c65161de741c9f21c5d465d0 [2019-11-28 00:21:45,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:45,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:45,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:45,854 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:45,855 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:45,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2019-11-28 00:21:45,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ea777e6/32a9e0466d8e44daae539c31ce7a484e/FLAGb94e7fd1e [2019-11-28 00:21:46,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:46,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2019-11-28 00:21:46,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ea777e6/32a9e0466d8e44daae539c31ce7a484e/FLAGb94e7fd1e [2019-11-28 00:21:46,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1ea777e6/32a9e0466d8e44daae539c31ce7a484e [2019-11-28 00:21:46,773 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:46,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:46,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:46,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:46,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:46,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:46" (1/1) ... [2019-11-28 00:21:46,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d50e01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:46, skipping insertion in model container [2019-11-28 00:21:46,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:46" (1/1) ... [2019-11-28 00:21:46,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:46,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:47,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:47,428 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:47,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:47,602 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:47,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47 WrapperNode [2019-11-28 00:21:47,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:47,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:47,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:47,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:47,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:47,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:47,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:47,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:47,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (1/1) ... [2019-11-28 00:21:47,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:47,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:47,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:47,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:47,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (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 00:21:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:48,639 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:48,640 INFO L297 CfgBuilder]: Removed 168 assume(true) statements. [2019-11-28 00:21:48,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:48 BoogieIcfgContainer [2019-11-28 00:21:48,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:48,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:48,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:48,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:48,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:46" (1/3) ... [2019-11-28 00:21:48,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf33eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:48, skipping insertion in model container [2019-11-28 00:21:48,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:47" (2/3) ... [2019-11-28 00:21:48,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abf33eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:48, skipping insertion in model container [2019-11-28 00:21:48,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:48" (3/3) ... [2019-11-28 00:21:48,651 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2019-11-28 00:21:48,662 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:48,670 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:48,682 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:48,709 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:48,710 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:48,710 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:48,710 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:48,710 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:48,711 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:48,711 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:48,711 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-11-28 00:21:48,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:48,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:48,737 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:48,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash -194461515, now seen corresponding path program 1 times [2019-11-28 00:21:48,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:48,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3818853] [2019-11-28 00:21:48,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:49,057 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 00:21:49,058 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3818853] [2019-11-28 00:21:49,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:49,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:49,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172875669] [2019-11-28 00:21:49,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:49,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:49,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:49,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:49,079 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-11-28 00:21:49,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:49,114 INFO L93 Difference]: Finished difference Result 220 states and 329 transitions. [2019-11-28 00:21:49,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:49,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:49,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:49,129 INFO L225 Difference]: With dead ends: 220 [2019-11-28 00:21:49,129 INFO L226 Difference]: Without dead ends: 109 [2019-11-28 00:21:49,133 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 00:21:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-11-28 00:21:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-11-28 00:21:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-11-28 00:21:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2019-11-28 00:21:49,185 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 18 [2019-11-28 00:21:49,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:49,186 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2019-11-28 00:21:49,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2019-11-28 00:21:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:49,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:49,188 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:49,188 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:49,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:49,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1105492268, now seen corresponding path program 1 times [2019-11-28 00:21:49,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:49,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730469544] [2019-11-28 00:21:49,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:49,303 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 00:21:49,303 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730469544] [2019-11-28 00:21:49,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:49,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:49,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862235302] [2019-11-28 00:21:49,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:49,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:49,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:49,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:49,307 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand 3 states. [2019-11-28 00:21:49,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:49,334 INFO L93 Difference]: Finished difference Result 109 states and 156 transitions. [2019-11-28 00:21:49,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:49,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:49,338 INFO L225 Difference]: With dead ends: 109 [2019-11-28 00:21:49,338 INFO L226 Difference]: Without dead ends: 47 [2019-11-28 00:21:49,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-28 00:21:49,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-28 00:21:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-28 00:21:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-28 00:21:49,355 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2019-11-28 00:21:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:49,355 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-28 00:21:49,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:49,361 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-28 00:21:49,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:49,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:49,362 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:49,363 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:49,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:49,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1805721692, now seen corresponding path program 1 times [2019-11-28 00:21:49,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:49,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997852216] [2019-11-28 00:21:49,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:49,503 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 00:21:49,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997852216] [2019-11-28 00:21:49,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:49,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:49,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353597032] [2019-11-28 00:21:49,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:49,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:49,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:49,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:49,506 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 5 states. [2019-11-28 00:21:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:49,601 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 00:21:49,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:49,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-28 00:21:49,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:49,603 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:49,603 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 00:21:49,604 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 00:21:49,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2019-11-28 00:21:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 00:21:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2019-11-28 00:21:49,615 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 24 [2019-11-28 00:21:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:49,615 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2019-11-28 00:21:49,615 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2019-11-28 00:21:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:49,617 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:49,617 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:49,617 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:49,618 INFO L82 PathProgramCache]: Analyzing trace with hash -820987702, now seen corresponding path program 1 times [2019-11-28 00:21:49,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:49,618 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122865648] [2019-11-28 00:21:49,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:49,711 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 00:21:49,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122865648] [2019-11-28 00:21:49,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:49,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:49,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90593102] [2019-11-28 00:21:49,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:49,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:49,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:49,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:49,715 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand 5 states. [2019-11-28 00:21:49,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:49,910 INFO L93 Difference]: Finished difference Result 376 states and 572 transitions. [2019-11-28 00:21:49,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:49,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 00:21:49,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:49,914 INFO L225 Difference]: With dead ends: 376 [2019-11-28 00:21:49,914 INFO L226 Difference]: Without dead ends: 314 [2019-11-28 00:21:49,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:49,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-28 00:21:49,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 124. [2019-11-28 00:21:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 00:21:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 179 transitions. [2019-11-28 00:21:49,957 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 179 transitions. Word has length 26 [2019-11-28 00:21:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:49,957 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 179 transitions. [2019-11-28 00:21:49,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 179 transitions. [2019-11-28 00:21:49,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 00:21:49,959 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:49,960 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:49,960 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:49,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1430024248, now seen corresponding path program 1 times [2019-11-28 00:21:49,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:49,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423294850] [2019-11-28 00:21:49,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 00:21:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 00:21:50,208 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 00:21:50,208 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 00:21:50,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:50 BoogieIcfgContainer [2019-11-28 00:21:50,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:50,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:50,351 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:50,351 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:50,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:48" (3/4) ... [2019-11-28 00:21:50,354 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 00:21:50,460 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:50,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:50,463 INFO L168 Benchmark]: Toolchain (without parser) took 3688.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.3 MB in the beginning and 896.5 MB in the end (delta: 59.9 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,464 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:50,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 825.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.32 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,465 INFO L168 Benchmark]: Boogie Preprocessor took 48.77 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 00:21:50,466 INFO L168 Benchmark]: RCFGBuilder took 901.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,467 INFO L168 Benchmark]: TraceAbstraction took 1707.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 910.2 MB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,467 INFO L168 Benchmark]: Witness Printer took 109.84 ms. Allocated memory is still 1.2 GB. Free memory was 910.2 MB in the beginning and 896.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:50,471 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 825.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -143.9 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.32 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 901.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.3 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1707.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 910.2 MB in the end (delta: 109.9 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. * Witness Printer took 109.84 ms. Allocated memory is still 1.2 GB. Free memory was 910.2 MB in the beginning and 896.5 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: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L369] int cleanupTimeShifts = 4; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L445] int retValue_acc ; [L446] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L952] retValue_acc = 1 [L953] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L452] tmp = valid_product() [L454] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L266] int splverifierCounter ; [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L270] int tmp___2 ; [L273] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L275] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L283] tmp = __VERIFIER_nondet_int() [L285] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L293] tmp___0 = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L303] tmp___2 = __VERIFIER_nondet_int() [L305] COND TRUE \read(tmp___2) [L257] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L68] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] COND TRUE \read(systemActive) [L123] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L126] COND FALSE !(\read(pumpRunning)) [L97] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L100] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] tmp = isMethaneLevelCritical() [L344] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] tmp___0 = getWaterLevel() [L350] COND TRUE tmp___0 == 2 [L175] int retValue_acc ; [L178] retValue_acc = pumpRunning [L179] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] tmp___1 = isPumpRunning() [L354] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __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, 113 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 644 SDslu, 310 SDs, 0 SdLazy, 55 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 194 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3169 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...