./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product49.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_spec5_product49.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 c3f15e5f0b48b2733d67e168986a8e79f37fa442 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:23:44,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:23:44,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:23:44,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:23:44,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:23:44,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:23:44,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:23:44,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:23:44,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:23:44,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:23:44,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:23:44,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:23:44,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:23:44,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:23:44,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:23:44,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:23:44,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:23:44,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:23:44,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:23:44,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:23:44,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:23:44,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:23:44,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:23:44,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:23:44,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:23:44,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:23:44,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:23:44,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:23:44,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:23:44,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:23:44,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:23:44,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:23:44,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:23:44,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:23:44,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:23:44,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:23:44,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:23:44,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:23:44,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:23:44,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:23:44,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:23:44,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:23:44,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:23:44,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:23:44,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:23:44,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:23:44,393 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:23:44,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:23:44,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:23:44,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:23:44,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:23:44,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:23:44,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:23:44,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:23:44,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:23:44,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:23:44,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:23:44,396 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:23:44,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:23:44,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:23:44,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:23:44,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:23:44,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:23:44,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:23:44,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:23:44,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:23:44,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:23:44,399 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:23:44,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:23:44,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:23:44,400 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 -> c3f15e5f0b48b2733d67e168986a8e79f37fa442 [2019-11-28 00:23:44,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:23:44,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:23:44,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:23:44,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:23:44,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:23:44,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-11-28 00:23:44,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d45873460/69e853a9cd0a425d8af07b8e0767069c/FLAGfe1cbdb56 [2019-11-28 00:23:45,357 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:23:45,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2019-11-28 00:23:45,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d45873460/69e853a9cd0a425d8af07b8e0767069c/FLAGfe1cbdb56 [2019-11-28 00:23:45,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d45873460/69e853a9cd0a425d8af07b8e0767069c [2019-11-28 00:23:45,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:23:45,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:23:45,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:45,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:23:45,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:23:45,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:45" (1/1) ... [2019-11-28 00:23:45,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a736f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:45, skipping insertion in model container [2019-11-28 00:23:45,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:45" (1/1) ... [2019-11-28 00:23:45,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:23:45,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:23:46,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:46,330 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:23:46,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:23:46,500 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:23:46,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46 WrapperNode [2019-11-28 00:23:46,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:23:46,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:46,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:23:46,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:23:46,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:23:46,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:23:46,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:23:46,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:23:46,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (1/1) ... [2019-11-28 00:23:46,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:23:46,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:23:46,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:23:46,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:23:46,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (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 00:23:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:23:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:23:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:23:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:23:47,497 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:23:47,498 INFO L297 CfgBuilder]: Removed 170 assume(true) statements. [2019-11-28 00:23:47,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47 BoogieIcfgContainer [2019-11-28 00:23:47,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:23:47,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:23:47,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:23:47,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:23:47,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:45" (1/3) ... [2019-11-28 00:23:47,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4b618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:47, skipping insertion in model container [2019-11-28 00:23:47,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:46" (2/3) ... [2019-11-28 00:23:47,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4b618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:47, skipping insertion in model container [2019-11-28 00:23:47,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47" (3/3) ... [2019-11-28 00:23:47,510 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2019-11-28 00:23:47,521 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:23:47,529 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:23:47,543 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:23:47,571 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:23:47,571 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:23:47,572 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:23:47,572 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:23:47,572 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:23:47,573 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:23:47,573 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:23:47,573 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:23:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2019-11-28 00:23:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:23:47,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:47,601 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 00:23:47,602 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:47,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:47,608 INFO L82 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2019-11-28 00:23:47,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:47,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307840238] [2019-11-28 00:23:47,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:47,913 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 00:23:47,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307840238] [2019-11-28 00:23:47,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:47,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:47,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626854648] [2019-11-28 00:23:47,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:23:47,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:47,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:23:47,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:23:47,935 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2019-11-28 00:23:47,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:47,972 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2019-11-28 00:23:47,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:23:47,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-11-28 00:23:47,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:47,987 INFO L225 Difference]: With dead ends: 245 [2019-11-28 00:23:47,988 INFO L226 Difference]: Without dead ends: 122 [2019-11-28 00:23:47,992 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 00:23:48,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-28 00:23:48,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-11-28 00:23:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-28 00:23:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2019-11-28 00:23:48,042 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2019-11-28 00:23:48,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,042 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2019-11-28 00:23:48,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:23:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2019-11-28 00:23:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 00:23:48,044 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,045 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] [2019-11-28 00:23:48,045 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2019-11-28 00:23:48,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,047 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582415772] [2019-11-28 00:23:48,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,150 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 00:23:48,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582415772] [2019-11-28 00:23:48,151 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:23:48,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556673687] [2019-11-28 00:23:48,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:48,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:48,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,155 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand 3 states. [2019-11-28 00:23:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,182 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2019-11-28 00:23:48,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:48,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 00:23:48,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,187 INFO L225 Difference]: With dead ends: 122 [2019-11-28 00:23:48,187 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 00:23:48,189 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 00:23:48,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 00:23:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 00:23:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 00:23:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-28 00:23:48,196 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2019-11-28 00:23:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,197 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-28 00:23:48,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-28 00:23:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:23:48,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,199 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 00:23:48,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,200 INFO L82 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2019-11-28 00:23:48,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233601890] [2019-11-28 00:23:48,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,368 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 00:23:48,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233601890] [2019-11-28 00:23:48,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:48,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894227760] [2019-11-28 00:23:48,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:48,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:48,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:48,371 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 6 states. [2019-11-28 00:23:48,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,487 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2019-11-28 00:23:48,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:23:48,488 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-28 00:23:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,489 INFO L225 Difference]: With dead ends: 95 [2019-11-28 00:23:48,489 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 00:23:48,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:23:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 00:23:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 00:23:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 00:23:48,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-11-28 00:23:48,506 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2019-11-28 00:23:48,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,507 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-11-28 00:23:48,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-11-28 00:23:48,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-28 00:23:48,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,509 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, 1] [2019-11-28 00:23:48,509 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,509 INFO L82 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2019-11-28 00:23:48,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168904549] [2019-11-28 00:23:48,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,634 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 00:23:48,635 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168904549] [2019-11-28 00:23:48,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:48,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449852547] [2019-11-28 00:23:48,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:48,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:48,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:48,638 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-11-28 00:23:48,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,678 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2019-11-28 00:23:48,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:48,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-11-28 00:23:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,680 INFO L225 Difference]: With dead ends: 119 [2019-11-28 00:23:48,680 INFO L226 Difference]: Without dead ends: 75 [2019-11-28 00:23:48,681 INFO L630 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 [2019-11-28 00:23:48,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-11-28 00:23:48,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-11-28 00:23:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-11-28 00:23:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2019-11-28 00:23:48,691 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2019-11-28 00:23:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,692 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2019-11-28 00:23:48,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2019-11-28 00:23:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:48,693 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,693 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,694 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,694 INFO L82 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2019-11-28 00:23:48,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545884216] [2019-11-28 00:23:48,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:48,812 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 00:23:48,813 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545884216] [2019-11-28 00:23:48,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:48,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:48,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847982430] [2019-11-28 00:23:48,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:48,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:48,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:48,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:48,815 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 6 states. [2019-11-28 00:23:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:48,952 INFO L93 Difference]: Finished difference Result 263 states and 373 transitions. [2019-11-28 00:23:48,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:23:48,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-11-28 00:23:48,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:48,955 INFO L225 Difference]: With dead ends: 263 [2019-11-28 00:23:48,955 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 00:23:48,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:23:48,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 00:23:48,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 77. [2019-11-28 00:23:48,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-11-28 00:23:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2019-11-28 00:23:48,971 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2019-11-28 00:23:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:48,972 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2019-11-28 00:23:48,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2019-11-28 00:23:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:48,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:48,974 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:48,974 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:48,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:48,975 INFO L82 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2019-11-28 00:23:48,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:48,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388618429] [2019-11-28 00:23:48,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,039 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 00:23:49,039 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388618429] [2019-11-28 00:23:49,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:23:49,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703865284] [2019-11-28 00:23:49,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:49,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:49,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:49,042 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand 5 states. [2019-11-28 00:23:49,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,159 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2019-11-28 00:23:49,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:23:49,160 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:49,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,162 INFO L225 Difference]: With dead ends: 202 [2019-11-28 00:23:49,164 INFO L226 Difference]: Without dead ends: 132 [2019-11-28 00:23:49,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:23:49,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-28 00:23:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2019-11-28 00:23:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-28 00:23:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2019-11-28 00:23:49,199 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2019-11-28 00:23:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,200 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2019-11-28 00:23:49,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:49,200 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2019-11-28 00:23:49,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:49,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,204 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,204 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2019-11-28 00:23:49,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888500487] [2019-11-28 00:23:49,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,279 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 00:23:49,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888500487] [2019-11-28 00:23:49,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:23:49,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463266824] [2019-11-28 00:23:49,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:23:49,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:23:49,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:23:49,283 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand 5 states. [2019-11-28 00:23:49,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,430 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2019-11-28 00:23:49,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:49,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 00:23:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,433 INFO L225 Difference]: With dead ends: 282 [2019-11-28 00:23:49,433 INFO L226 Difference]: Without dead ends: 206 [2019-11-28 00:23:49,434 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:23:49,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-11-28 00:23:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2019-11-28 00:23:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-11-28 00:23:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2019-11-28 00:23:49,457 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2019-11-28 00:23:49,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,457 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2019-11-28 00:23:49,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:23:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2019-11-28 00:23:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:23:49,463 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,463 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,463 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,464 INFO L82 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2019-11-28 00:23:49,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229716193] [2019-11-28 00:23:49,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,519 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 00:23:49,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229716193] [2019-11-28 00:23:49,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:23:49,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354021381] [2019-11-28 00:23:49,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:23:49,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:23:49,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:23:49,522 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand 3 states. [2019-11-28 00:23:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:49,563 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2019-11-28 00:23:49,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:23:49,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:23:49,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:49,564 INFO L225 Difference]: With dead ends: 185 [2019-11-28 00:23:49,565 INFO L226 Difference]: Without dead ends: 110 [2019-11-28 00:23:49,565 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 00:23:49,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-11-28 00:23:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-11-28 00:23:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-11-28 00:23:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2019-11-28 00:23:49,578 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2019-11-28 00:23:49,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:49,578 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2019-11-28 00:23:49,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:23:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2019-11-28 00:23:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:23:49,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:49,580 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:49,580 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:49,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2019-11-28 00:23:49,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:49,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135302651] [2019-11-28 00:23:49,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:49,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135302651] [2019-11-28 00:23:49,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:23:49,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:23:49,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140389910] [2019-11-28 00:23:49,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:23:49,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:49,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:23:49,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:23:49,741 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand 6 states. [2019-11-28 00:23:50,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:50,037 INFO L93 Difference]: Finished difference Result 413 states and 551 transitions. [2019-11-28 00:23:50,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:50,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:23:50,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:50,040 INFO L225 Difference]: With dead ends: 413 [2019-11-28 00:23:50,040 INFO L226 Difference]: Without dead ends: 338 [2019-11-28 00:23:50,041 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:23:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-11-28 00:23:50,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 155. [2019-11-28 00:23:50,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 00:23:50,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 199 transitions. [2019-11-28 00:23:50,091 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 199 transitions. Word has length 35 [2019-11-28 00:23:50,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:50,095 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 199 transitions. [2019-11-28 00:23:50,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:23:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 199 transitions. [2019-11-28 00:23:50,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:23:50,104 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:23:50,105 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:23:50,106 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:23:50,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:23:50,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2019-11-28 00:23:50,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:23:50,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649939721] [2019-11-28 00:23:50,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:23:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:50,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649939721] [2019-11-28 00:23:50,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559657176] [2019-11-28 00:23:50,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:23:50,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:23:50,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:23:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:23:50,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 00:23:50,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-28 00:23:50,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477912860] [2019-11-28 00:23:50,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 00:23:50,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:23:50,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 00:23:50,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:23:50,474 INFO L87 Difference]: Start difference. First operand 155 states and 199 transitions. Second operand 10 states. [2019-11-28 00:23:50,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:23:50,930 INFO L93 Difference]: Finished difference Result 312 states and 417 transitions. [2019-11-28 00:23:50,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:23:50,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2019-11-28 00:23:50,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:23:50,931 INFO L225 Difference]: With dead ends: 312 [2019-11-28 00:23:50,932 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:23:50,935 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:23:50,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:23:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:23:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:23:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:23:50,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:23:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:23:50,937 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:23:50,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 00:23:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:23:50,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:23:51,145 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:23:51,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:23:51,293 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 68 [2019-11-28 00:23:52,223 WARN L192 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-11-28 00:23:52,355 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2019-11-28 00:23:52,594 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2019-11-28 00:23:52,716 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2019-11-28 00:23:52,838 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2019-11-28 00:23:53,098 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2019-11-28 00:23:53,379 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2019-11-28 00:23:53,606 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2019-11-28 00:23:53,912 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2019-11-28 00:23:54,031 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2019-11-28 00:23:54,146 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,147 INFO L242 CegarLoopResult]: At program point L564(lines 559 567) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:54,147 INFO L246 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2019-11-28 00:23:54,147 INFO L242 CegarLoopResult]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:23:54,148 INFO L242 CegarLoopResult]: At program point L69-1(lines 69 75) the Hoare annotation is: false [2019-11-28 00:23:54,148 INFO L242 CegarLoopResult]: At program point L69-2(lines 69 75) the Hoare annotation is: false [2019-11-28 00:23:54,148 INFO L246 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-11-28 00:23:54,148 INFO L246 CegarLoopResult]: For program point L301-2(lines 295 306) no Hoare annotation was computed. [2019-11-28 00:23:54,148 INFO L246 CegarLoopResult]: For program point L962(lines 962 979) no Hoare annotation was computed. [2019-11-28 00:23:54,149 INFO L242 CegarLoopResult]: At program point L962-1(lines 1 982) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse5 .cse0 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4))) [2019-11-28 00:23:54,149 INFO L246 CegarLoopResult]: For program point L962-2(lines 962 979) no Hoare annotation was computed. [2019-11-28 00:23:54,149 INFO L242 CegarLoopResult]: At program point L962-3(lines 1 982) the Hoare annotation is: false [2019-11-28 00:23:54,149 INFO L246 CegarLoopResult]: For program point L962-4(lines 962 979) no Hoare annotation was computed. [2019-11-28 00:23:54,149 INFO L242 CegarLoopResult]: At program point L962-5(lines 1 982) the Hoare annotation is: false [2019-11-28 00:23:54,149 INFO L246 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,149 INFO L246 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,150 INFO L246 CegarLoopResult]: For program point L404-2(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,150 INFO L246 CegarLoopResult]: For program point L404-3(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,150 INFO L246 CegarLoopResult]: For program point L404-4(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,150 INFO L246 CegarLoopResult]: For program point L404-5(lines 404 410) no Hoare annotation was computed. [2019-11-28 00:23:54,150 INFO L242 CegarLoopResult]: At program point L173(lines 168 176) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse5 (= ~pumpRunning~0 0) .cse6))) [2019-11-28 00:23:54,150 INFO L242 CegarLoopResult]: At program point L173-1(lines 168 176) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4))) [2019-11-28 00:23:54,150 INFO L242 CegarLoopResult]: At program point L173-2(lines 168 176) the Hoare annotation is: false [2019-11-28 00:23:54,151 INFO L242 CegarLoopResult]: At program point L173-3(lines 168 176) the Hoare annotation is: false [2019-11-28 00:23:54,151 INFO L242 CegarLoopResult]: At program point L173-4(lines 168 176) the Hoare annotation is: false [2019-11-28 00:23:54,151 INFO L242 CegarLoopResult]: At program point L173-5(lines 168 176) the Hoare annotation is: false [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L966(lines 966 976) no Hoare annotation was computed. [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L966-2(lines 966 976) no Hoare annotation was computed. [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L966-4(lines 966 976) no Hoare annotation was computed. [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-11-28 00:23:54,151 INFO L246 CegarLoopResult]: For program point L967-2(lines 967 973) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L967-4(lines 967 973) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241-3(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241-5(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241-6(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L241-8(lines 241 245) no Hoare annotation was computed. [2019-11-28 00:23:54,152 INFO L246 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409(lines 400 413) the Hoare annotation is: false [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409-1(lines 400 413) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5))) [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409-2(lines 400 413) the Hoare annotation is: false [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409-3(lines 400 413) the Hoare annotation is: false [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409-4(lines 400 413) the Hoare annotation is: false [2019-11-28 00:23:54,153 INFO L242 CegarLoopResult]: At program point L409-5(lines 400 413) the Hoare annotation is: false [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L311(lines 264 312) the Hoare annotation is: false [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L444-2(lines 444 458) the Hoare annotation is: false [2019-11-28 00:23:54,154 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L247(lines 232 250) the Hoare annotation is: (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~5) (<= ~waterLevel~0 2) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L247-1(lines 232 250) the Hoare annotation is: false [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L247-2(lines 232 250) the Hoare annotation is: false [2019-11-28 00:23:54,154 INFO L242 CegarLoopResult]: At program point L941(lines 936 943) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~5) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:54,154 INFO L246 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L242 CegarLoopResult]: At program point L285-1(lines 285 291) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse5 .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L120-1(lines 120 137) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L246 CegarLoopResult]: For program point L120-2(lines 120 137) no Hoare annotation was computed. [2019-11-28 00:23:54,155 INFO L242 CegarLoopResult]: At program point L419(lines 414 422) the Hoare annotation is: (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (= 1 ULTIMATE.start_main_~tmp~5) (<= ~waterLevel~0 2) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:23:54,156 INFO L242 CegarLoopResult]: At program point L419-1(lines 414 422) the Hoare annotation is: false [2019-11-28 00:23:54,156 INFO L242 CegarLoopResult]: At program point L419-2(lines 414 422) the Hoare annotation is: false [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-3(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-5(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-6(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-8(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-9(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,156 INFO L246 CegarLoopResult]: For program point L222-11(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L222-12(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L222-14(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L222-15(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L222-17(lines 222 226) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L520(lines 520 527) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L249 CegarLoopResult]: At program point L520-1(lines 520 527) the Hoare annotation is: true [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L124-1(lines 124 132) no Hoare annotation was computed. [2019-11-28 00:23:54,157 INFO L246 CegarLoopResult]: For program point L124-2(lines 124 132) no Hoare annotation was computed. [2019-11-28 00:23:54,158 INFO L242 CegarLoopResult]: At program point L951(lines 62 68) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4))) [2019-11-28 00:23:54,158 INFO L242 CegarLoopResult]: At program point L951-1(lines 62 68) the Hoare annotation is: false [2019-11-28 00:23:54,158 INFO L242 CegarLoopResult]: At program point L951-2(lines 62 68) the Hoare annotation is: false [2019-11-28 00:23:54,158 INFO L242 CegarLoopResult]: At program point L556(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:54,158 INFO L246 CegarLoopResult]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,158 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,158 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:23:54,158 INFO L246 CegarLoopResult]: For program point L94-2(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,158 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,159 INFO L246 CegarLoopResult]: For program point L94-4(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,159 INFO L246 CegarLoopResult]: For program point L94-5(lines 94 111) no Hoare annotation was computed. [2019-11-28 00:23:54,159 INFO L242 CegarLoopResult]: At program point L62(lines 58 80) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 0) .cse4) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse3 .cse4))) [2019-11-28 00:23:54,159 INFO L242 CegarLoopResult]: At program point L62-1(lines 58 80) the Hoare annotation is: false [2019-11-28 00:23:54,159 INFO L242 CegarLoopResult]: At program point L62-2(lines 58 80) the Hoare annotation is: false [2019-11-28 00:23:54,159 INFO L242 CegarLoopResult]: At program point L492(lines 488 494) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~5) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 00:23:54,159 INFO L246 CegarLoopResult]: For program point L327(lines 327 331) no Hoare annotation was computed. [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228(lines 213 231) the Hoare annotation is: false [2019-11-28 00:23:54,160 INFO L246 CegarLoopResult]: For program point L327-3(lines 327 331) no Hoare annotation was computed. [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228-1(lines 213 231) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 .cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) .cse3 .cse4 .cse5))) [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228-2(lines 213 231) the Hoare annotation is: false [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228-3(lines 213 231) the Hoare annotation is: false [2019-11-28 00:23:54,160 INFO L246 CegarLoopResult]: For program point L327-6(lines 327 331) no Hoare annotation was computed. [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228-4(lines 213 231) the Hoare annotation is: false [2019-11-28 00:23:54,160 INFO L242 CegarLoopResult]: At program point L228-5(lines 213 231) the Hoare annotation is: false [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L295(lines 295 306) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L428-2(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L98-1(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L98-2(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L98-3(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,161 INFO L246 CegarLoopResult]: For program point L98-4(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,162 INFO L246 CegarLoopResult]: For program point L98-5(lines 98 106) no Hoare annotation was computed. [2019-11-28 00:23:54,162 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-11-28 00:23:54,162 INFO L242 CegarLoopResult]: At program point L396(lines 391 399) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~5)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ULTIMATE.start_main_~tmp~5 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse4 .cse5) (and (= 1 ~systemActive~0) .cse2 .cse3 .cse4 (= ~pumpRunning~0 0) .cse5))) [2019-11-28 00:23:54,162 INFO L242 CegarLoopResult]: At program point L396-1(lines 391 399) the Hoare annotation is: false [2019-11-28 00:23:54,162 INFO L242 CegarLoopResult]: At program point L396-2(lines 391 399) the Hoare annotation is: false [2019-11-28 00:23:54,162 INFO L249 CegarLoopResult]: At program point L529(lines 510 532) the Hoare annotation is: true [2019-11-28 00:23:54,162 INFO L246 CegarLoopResult]: For program point L266(lines 265 310) no Hoare annotation was computed. [2019-11-28 00:23:54,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:54 BoogieIcfgContainer [2019-11-28 00:23:54,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:23:54,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:23:54,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:23:54,198 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:23:54,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:47" (3/4) ... [2019-11-28 00:23:54,202 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:23:54,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:23:54,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:23:54,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:23:54,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:23:54,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:23:54,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:54,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:23:54,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:54,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:54,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == tmp && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 [2019-11-28 00:23:54,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((((((1 <= pumpRunning && 1 == tmp) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result <= 2) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) [2019-11-28 00:23:54,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 00:23:54,268 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 00:23:54,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 00:23:54,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) [2019-11-28 00:23:54,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result <= 2) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,275 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter [2019-11-28 00:23:54,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && !(\result == 0)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter [2019-11-28 00:23:54,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 00:23:54,395 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:23:54,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:23:54,397 INFO L168 Benchmark]: Toolchain (without parser) took 8695.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -190.6 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,397 INFO L168 Benchmark]: CDTParser took 0.27 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 00:23:54,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.34 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. [2019-11-28 00:23:54,399 INFO L168 Benchmark]: Boogie Preprocessor took 53.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,399 INFO L168 Benchmark]: RCFGBuilder took 859.04 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,400 INFO L168 Benchmark]: TraceAbstraction took 6695.94 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -165.7 MB). Peak memory consumption was 318.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,400 INFO L168 Benchmark]: Witness Printer took 198.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:23:54,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 798.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -123.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.34 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 53.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 859.04 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6695.94 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 190.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -165.7 MB). Peak memory consumption was 318.2 MB. Max. memory is 11.5 GB. * Witness Printer took 198.25 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 428]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && !(\result == 0)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == tmp && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((((((1 <= pumpRunning && 1 == tmp) && tmp <= 2) && 2 <= tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result <= 2) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((1 == tmp && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result <= 2) && \result == systemActive) && 2 <= \result) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || (((((1 == systemActive && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 == tmp) && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter) || (((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter)) || ((((((1 == tmp && \result == 0) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 2 <= waterLevel) && waterLevel <= 2) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((1 == tmp && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 414]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: ((((((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 == tmp) && waterLevel <= 2) && tmp == systemActive) && 1 <= \result) && \result == systemActive) && 0 == splverifierCounter - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1025 SDtfs, 1587 SDslu, 1412 SDs, 0 SdLazy, 266 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, 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, 10 MinimizatonAttempts, 478 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 120 NumberOfFragments, 798 HoareAnnotationTreeSize, 49 FomulaSimplifications, 70482 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 49 FomulaSimplificationsInter, 10166 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 31288 SizeOfPredicates, 4 NumberOfNonLiveVariables, 421 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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 correct! Received shutdown request...