./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product36.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 deeb3c1689cccb41b32be052288e2f3a90dc0e8e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:01:38,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:01:38,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:01:38,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:01:38,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:01:38,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:01:38,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:01:38,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:01:38,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:01:38,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:01:38,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:01:38,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:01:38,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:01:38,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:01:38,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:01:38,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:01:38,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:01:38,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:01:38,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:01:38,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:01:38,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:01:38,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:01:38,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:01:38,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:01:38,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:01:38,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:01:38,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:01:38,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:01:38,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:01:38,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:01:38,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:01:38,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:01:38,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:01:38,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:01:38,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:01:38,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:01:38,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:01:38,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:01:38,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:01:38,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:01:38,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:01:38,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:01:38,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:01:38,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:01:38,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:01:38,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:01:38,641 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:01:38,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:01:38,642 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:01:38,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:01:38,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:01:38,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:01:38,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:01:38,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:01:38,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:01:38,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:01:38,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:01:38,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:01:38,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:01:38,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:01:38,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:01:38,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:01:38,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:01:38,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:01:38,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:01:38,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:01:38,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:01:38,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:01:38,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:01:38,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:01:38,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:01:38,648 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 -> deeb3c1689cccb41b32be052288e2f3a90dc0e8e [2020-07-28 19:01:38,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:01:39,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:01:39,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:01:39,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:01:39,020 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:01:39,021 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2020-07-28 19:01:39,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f658af4b/6ffee15e1bdf4f938e748e4c9fee6e06/FLAG94e1964fa [2020-07-28 19:01:39,619 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:01:39,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product36.cil.c [2020-07-28 19:01:39,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f658af4b/6ffee15e1bdf4f938e748e4c9fee6e06/FLAG94e1964fa [2020-07-28 19:01:39,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f658af4b/6ffee15e1bdf4f938e748e4c9fee6e06 [2020-07-28 19:01:39,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:01:39,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:01:39,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:39,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:01:39,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:01:39,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8781850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:39, skipping insertion in model container [2020-07-28 19:01:39,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:01:39" (1/1) ... [2020-07-28 19:01:39,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:01:40,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:01:40,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:40,515 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:01:40,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:01:40,648 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:01:40,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40 WrapperNode [2020-07-28 19:01:40,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:01:40,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:40,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:01:40,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:01:40,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:01:40,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:01:40,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:01:40,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:01:40,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (1/1) ... [2020-07-28 19:01:40,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:01:40,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:01:40,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:01:40,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:01:40,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (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 [2020-07-28 19:01:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:01:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:01:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:01:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:01:42,334 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:01:42,334 INFO L295 CfgBuilder]: Removed 108 assume(true) statements. [2020-07-28 19:01:42,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:42 BoogieIcfgContainer [2020-07-28 19:01:42,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:01:42,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:01:42,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:01:42,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:01:42,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:01:39" (1/3) ... [2020-07-28 19:01:42,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067716a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:42, skipping insertion in model container [2020-07-28 19:01:42,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:01:40" (2/3) ... [2020-07-28 19:01:42,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067716a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:01:42, skipping insertion in model container [2020-07-28 19:01:42,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:42" (3/3) ... [2020-07-28 19:01:42,351 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2020-07-28 19:01:42,362 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:01:42,372 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:01:42,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:01:42,409 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:01:42,409 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:01:42,409 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:01:42,409 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:01:42,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:01:42,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:01:42,410 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:01:42,411 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:01:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2020-07-28 19:01:42,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-28 19:01:42,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:42,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:42,437 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:42,444 INFO L82 PathProgramCache]: Analyzing trace with hash -386332649, now seen corresponding path program 1 times [2020-07-28 19:01:42,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:42,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732260552] [2020-07-28 19:01:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:42,825 INFO L280 TraceCheckUtils]: 0: Hoare triple {89#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {89#true} is VALID [2020-07-28 19:01:42,826 INFO L280 TraceCheckUtils]: 1: Hoare triple {89#true} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {89#true} is VALID [2020-07-28 19:01:42,826 INFO L280 TraceCheckUtils]: 2: Hoare triple {89#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {89#true} is VALID [2020-07-28 19:01:42,827 INFO L280 TraceCheckUtils]: 3: Hoare triple {89#true} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {89#true} is VALID [2020-07-28 19:01:42,827 INFO L280 TraceCheckUtils]: 4: Hoare triple {89#true} assume 0 != main_~tmp~6; {89#true} is VALID [2020-07-28 19:01:42,828 INFO L280 TraceCheckUtils]: 5: Hoare triple {89#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {89#true} is VALID [2020-07-28 19:01:42,830 INFO L280 TraceCheckUtils]: 6: Hoare triple {89#true} assume !true; {90#false} is VALID [2020-07-28 19:01:42,830 INFO L280 TraceCheckUtils]: 7: Hoare triple {90#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {90#false} is VALID [2020-07-28 19:01:42,830 INFO L280 TraceCheckUtils]: 8: Hoare triple {90#false} assume !(0 != ~pumpRunning~0); {90#false} is VALID [2020-07-28 19:01:42,831 INFO L280 TraceCheckUtils]: 9: Hoare triple {90#false} assume !(0 != ~systemActive~0); {90#false} is VALID [2020-07-28 19:01:42,833 INFO L280 TraceCheckUtils]: 10: Hoare triple {90#false} havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {90#false} is VALID [2020-07-28 19:01:42,834 INFO L280 TraceCheckUtils]: 11: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {90#false} is VALID [2020-07-28 19:01:42,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {90#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {90#false} is VALID [2020-07-28 19:01:42,835 INFO L280 TraceCheckUtils]: 13: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {90#false} is VALID [2020-07-28 19:01:42,835 INFO L280 TraceCheckUtils]: 14: Hoare triple {90#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {90#false} is VALID [2020-07-28 19:01:42,835 INFO L280 TraceCheckUtils]: 15: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {90#false} is VALID [2020-07-28 19:01:42,836 INFO L280 TraceCheckUtils]: 16: Hoare triple {90#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {90#false} is VALID [2020-07-28 19:01:42,837 INFO L280 TraceCheckUtils]: 17: Hoare triple {90#false} assume !false; {90#false} is VALID [2020-07-28 19:01:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:42,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732260552] [2020-07-28 19:01:42,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:42,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:42,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934761914] [2020-07-28 19:01:42,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:42,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:42,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:01:42,919 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:42,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:01:42,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:42,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:01:42,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:01:42,933 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 2 states. [2020-07-28 19:01:43,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,275 INFO L93 Difference]: Finished difference Result 166 states and 251 transitions. [2020-07-28 19:01:43,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:01:43,276 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-07-28 19:01:43,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:43,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2020-07-28 19:01:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:01:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2020-07-28 19:01:43,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 251 transitions. [2020-07-28 19:01:43,642 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:43,656 INFO L225 Difference]: With dead ends: 166 [2020-07-28 19:01:43,656 INFO L226 Difference]: Without dead ends: 82 [2020-07-28 19:01:43,660 INFO L675 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 [2020-07-28 19:01:43,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-07-28 19:01:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-07-28 19:01:43,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:43,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:43,714 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:43,715 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,724 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:43,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:43,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:43,726 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:43,726 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 82 states. [2020-07-28 19:01:43,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:43,733 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:43,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:43,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:43,736 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:43,736 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-28 19:01:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 117 transitions. [2020-07-28 19:01:43,744 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 117 transitions. Word has length 18 [2020-07-28 19:01:43,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:43,745 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 117 transitions. [2020-07-28 19:01:43,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:01:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2020-07-28 19:01:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-28 19:01:43,747 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:43,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:01:43,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:01:43,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:43,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:43,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1847726980, now seen corresponding path program 1 times [2020-07-28 19:01:43,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:43,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019209182] [2020-07-28 19:01:43,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:43,872 INFO L280 TraceCheckUtils]: 0: Hoare triple {605#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {605#true} is VALID [2020-07-28 19:01:43,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {605#true} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {605#true} is VALID [2020-07-28 19:01:43,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {605#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {605#true} is VALID [2020-07-28 19:01:43,874 INFO L280 TraceCheckUtils]: 3: Hoare triple {605#true} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {605#true} is VALID [2020-07-28 19:01:43,874 INFO L280 TraceCheckUtils]: 4: Hoare triple {605#true} assume 0 != main_~tmp~6; {605#true} is VALID [2020-07-28 19:01:43,875 INFO L280 TraceCheckUtils]: 5: Hoare triple {605#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:43,876 INFO L280 TraceCheckUtils]: 6: Hoare triple {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:01:43,877 INFO L280 TraceCheckUtils]: 7: Hoare triple {607#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {606#false} is VALID [2020-07-28 19:01:43,877 INFO L280 TraceCheckUtils]: 8: Hoare triple {606#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {606#false} is VALID [2020-07-28 19:01:43,878 INFO L280 TraceCheckUtils]: 9: Hoare triple {606#false} assume !(0 != ~pumpRunning~0); {606#false} is VALID [2020-07-28 19:01:43,878 INFO L280 TraceCheckUtils]: 10: Hoare triple {606#false} assume !(0 != ~systemActive~0); {606#false} is VALID [2020-07-28 19:01:43,878 INFO L280 TraceCheckUtils]: 11: Hoare triple {606#false} havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {606#false} is VALID [2020-07-28 19:01:43,879 INFO L280 TraceCheckUtils]: 12: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {606#false} is VALID [2020-07-28 19:01:43,879 INFO L280 TraceCheckUtils]: 13: Hoare triple {606#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {606#false} is VALID [2020-07-28 19:01:43,879 INFO L280 TraceCheckUtils]: 14: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {606#false} is VALID [2020-07-28 19:01:43,880 INFO L280 TraceCheckUtils]: 15: Hoare triple {606#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {606#false} is VALID [2020-07-28 19:01:43,880 INFO L280 TraceCheckUtils]: 16: Hoare triple {606#false} __utac_acc__Specification3_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {606#false} is VALID [2020-07-28 19:01:43,880 INFO L280 TraceCheckUtils]: 17: Hoare triple {606#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {606#false} is VALID [2020-07-28 19:01:43,881 INFO L280 TraceCheckUtils]: 18: Hoare triple {606#false} assume !false; {606#false} is VALID [2020-07-28 19:01:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:43,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019209182] [2020-07-28 19:01:43,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:43,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:43,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552809411] [2020-07-28 19:01:43,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:43,888 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:43,888 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:43,937 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:43,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:43,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:43,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:43,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:43,938 INFO L87 Difference]: Start difference. First operand 82 states and 117 transitions. Second operand 3 states. [2020-07-28 19:01:44,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,161 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2020-07-28 19:01:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:44,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-07-28 19:01:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2020-07-28 19:01:44,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 117 transitions. [2020-07-28 19:01:44,333 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 117 edges. 117 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,336 INFO L225 Difference]: With dead ends: 82 [2020-07-28 19:01:44,336 INFO L226 Difference]: Without dead ends: 38 [2020-07-28 19:01:44,338 INFO L675 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 [2020-07-28 19:01:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-07-28 19:01:44,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-07-28 19:01:44,360 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:44,360 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:44,360 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:44,360 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:44,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,363 INFO L93 Difference]: Finished difference Result 38 states and 54 transitions. [2020-07-28 19:01:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:44,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,364 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:44,364 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 38 states. [2020-07-28 19:01:44,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,367 INFO L93 Difference]: Finished difference Result 38 states and 54 transitions. [2020-07-28 19:01:44,367 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:44,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:44,368 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:44,368 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:44,368 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-07-28 19:01:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 54 transitions. [2020-07-28 19:01:44,371 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 54 transitions. Word has length 19 [2020-07-28 19:01:44,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:44,371 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 54 transitions. [2020-07-28 19:01:44,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-07-28 19:01:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:01:44,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:44,374 INFO L422 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] [2020-07-28 19:01:44,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:01:44,374 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:44,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:44,375 INFO L82 PathProgramCache]: Analyzing trace with hash 2067739700, now seen corresponding path program 1 times [2020-07-28 19:01:44,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:44,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018029520] [2020-07-28 19:01:44,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:44,522 INFO L280 TraceCheckUtils]: 0: Hoare triple {854#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {854#true} is VALID [2020-07-28 19:01:44,523 INFO L280 TraceCheckUtils]: 1: Hoare triple {854#true} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {854#true} is VALID [2020-07-28 19:01:44,523 INFO L280 TraceCheckUtils]: 2: Hoare triple {854#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {854#true} is VALID [2020-07-28 19:01:44,523 INFO L280 TraceCheckUtils]: 3: Hoare triple {854#true} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {854#true} is VALID [2020-07-28 19:01:44,523 INFO L280 TraceCheckUtils]: 4: Hoare triple {854#true} assume 0 != main_~tmp~6; {854#true} is VALID [2020-07-28 19:01:44,524 INFO L280 TraceCheckUtils]: 5: Hoare triple {854#true} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {854#true} is VALID [2020-07-28 19:01:44,524 INFO L280 TraceCheckUtils]: 6: Hoare triple {854#true} assume !false; {854#true} is VALID [2020-07-28 19:01:44,524 INFO L280 TraceCheckUtils]: 7: Hoare triple {854#true} assume test_~splverifierCounter~0 < 4; {854#true} is VALID [2020-07-28 19:01:44,525 INFO L280 TraceCheckUtils]: 8: Hoare triple {854#true} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {854#true} is VALID [2020-07-28 19:01:44,525 INFO L280 TraceCheckUtils]: 9: Hoare triple {854#true} assume !(0 != test_~tmp~5); {854#true} is VALID [2020-07-28 19:01:44,525 INFO L280 TraceCheckUtils]: 10: Hoare triple {854#true} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {854#true} is VALID [2020-07-28 19:01:44,525 INFO L280 TraceCheckUtils]: 11: Hoare triple {854#true} assume !(0 != test_~tmp___0~1); {854#true} is VALID [2020-07-28 19:01:44,526 INFO L280 TraceCheckUtils]: 12: Hoare triple {854#true} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {854#true} is VALID [2020-07-28 19:01:44,527 INFO L280 TraceCheckUtils]: 13: Hoare triple {854#true} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {856#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:44,527 INFO L280 TraceCheckUtils]: 14: Hoare triple {856#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {856#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:01:44,528 INFO L280 TraceCheckUtils]: 15: Hoare triple {856#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {855#false} is VALID [2020-07-28 19:01:44,528 INFO L280 TraceCheckUtils]: 16: Hoare triple {855#false} havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {855#false} is VALID [2020-07-28 19:01:44,529 INFO L280 TraceCheckUtils]: 17: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {855#false} is VALID [2020-07-28 19:01:44,529 INFO L280 TraceCheckUtils]: 18: Hoare triple {855#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {855#false} is VALID [2020-07-28 19:01:44,529 INFO L280 TraceCheckUtils]: 19: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {855#false} is VALID [2020-07-28 19:01:44,530 INFO L280 TraceCheckUtils]: 20: Hoare triple {855#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {855#false} is VALID [2020-07-28 19:01:44,530 INFO L280 TraceCheckUtils]: 21: Hoare triple {855#false} __utac_acc__Specification3_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {855#false} is VALID [2020-07-28 19:01:44,530 INFO L280 TraceCheckUtils]: 22: Hoare triple {855#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {855#false} is VALID [2020-07-28 19:01:44,531 INFO L280 TraceCheckUtils]: 23: Hoare triple {855#false} assume !false; {855#false} is VALID [2020-07-28 19:01:44,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:44,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018029520] [2020-07-28 19:01:44,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:44,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:01:44,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367279428] [2020-07-28 19:01:44,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:44,533 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:44,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:44,569 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:44,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:44,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:44,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:44,570 INFO L87 Difference]: Start difference. First operand 38 states and 54 transitions. Second operand 3 states. [2020-07-28 19:01:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:44,811 INFO L93 Difference]: Finished difference Result 102 states and 150 transitions. [2020-07-28 19:01:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:44,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-07-28 19:01:44,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2020-07-28 19:01:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2020-07-28 19:01:44,824 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 150 transitions. [2020-07-28 19:01:44,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 150 edges. 150 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:44,981 INFO L225 Difference]: With dead ends: 102 [2020-07-28 19:01:44,981 INFO L226 Difference]: Without dead ends: 70 [2020-07-28 19:01:44,982 INFO L675 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 [2020-07-28 19:01:44,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-07-28 19:01:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2020-07-28 19:01:45,027 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:45,028 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 66 states. [2020-07-28 19:01:45,028 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 66 states. [2020-07-28 19:01:45,028 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 66 states. [2020-07-28 19:01:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,031 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2020-07-28 19:01:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-07-28 19:01:45,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:45,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:45,033 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand 70 states. [2020-07-28 19:01:45,033 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 70 states. [2020-07-28 19:01:45,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,036 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2020-07-28 19:01:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2020-07-28 19:01:45,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:45,039 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:45,039 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:45,039 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-07-28 19:01:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 97 transitions. [2020-07-28 19:01:45,043 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 97 transitions. Word has length 24 [2020-07-28 19:01:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:45,045 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 97 transitions. [2020-07-28 19:01:45,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2020-07-28 19:01:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:01:45,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:45,046 INFO L422 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] [2020-07-28 19:01:45,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:01:45,047 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:45,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:45,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1859072455, now seen corresponding path program 1 times [2020-07-28 19:01:45,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:45,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257080423] [2020-07-28 19:01:45,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:45,183 INFO L280 TraceCheckUtils]: 0: Hoare triple {1232#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,187 INFO L280 TraceCheckUtils]: 1: Hoare triple {1234#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,188 INFO L280 TraceCheckUtils]: 2: Hoare triple {1234#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,189 INFO L280 TraceCheckUtils]: 3: Hoare triple {1234#(= 0 ~pumpRunning~0)} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,189 INFO L280 TraceCheckUtils]: 4: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~6; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,190 INFO L280 TraceCheckUtils]: 5: Hoare triple {1234#(= 0 ~pumpRunning~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,190 INFO L280 TraceCheckUtils]: 6: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume !false; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,191 INFO L280 TraceCheckUtils]: 7: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,191 INFO L280 TraceCheckUtils]: 8: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,192 INFO L280 TraceCheckUtils]: 9: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp~5); {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,193 INFO L280 TraceCheckUtils]: 10: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,193 INFO L280 TraceCheckUtils]: 11: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,194 INFO L280 TraceCheckUtils]: 12: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,195 INFO L280 TraceCheckUtils]: 13: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0;~systemActive~0 := 1; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,195 INFO L280 TraceCheckUtils]: 14: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,196 INFO L280 TraceCheckUtils]: 15: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret35, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; {1234#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:01:45,201 INFO L280 TraceCheckUtils]: 16: Hoare triple {1234#(= 0 ~pumpRunning~0)} assume !(0 == ~pumpRunning~0); {1233#false} is VALID [2020-07-28 19:01:45,201 INFO L280 TraceCheckUtils]: 17: Hoare triple {1233#false} havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1233#false} is VALID [2020-07-28 19:01:45,201 INFO L280 TraceCheckUtils]: 18: Hoare triple {1233#false} __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {1233#false} is VALID [2020-07-28 19:01:45,202 INFO L280 TraceCheckUtils]: 19: Hoare triple {1233#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1233#false} is VALID [2020-07-28 19:01:45,202 INFO L280 TraceCheckUtils]: 20: Hoare triple {1233#false} __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {1233#false} is VALID [2020-07-28 19:01:45,202 INFO L280 TraceCheckUtils]: 21: Hoare triple {1233#false} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1233#false} is VALID [2020-07-28 19:01:45,202 INFO L280 TraceCheckUtils]: 22: Hoare triple {1233#false} __utac_acc__Specification3_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1233#false} is VALID [2020-07-28 19:01:45,203 INFO L280 TraceCheckUtils]: 23: Hoare triple {1233#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1233#false} is VALID [2020-07-28 19:01:45,203 INFO L280 TraceCheckUtils]: 24: Hoare triple {1233#false} assume !false; {1233#false} is VALID [2020-07-28 19:01:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:45,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257080423] [2020-07-28 19:01:45,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:45,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:01:45,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403026455] [2020-07-28 19:01:45,210 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:45,210 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:45,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:01:45,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:45,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:01:45,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:45,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:01:45,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:01:45,251 INFO L87 Difference]: Start difference. First operand 66 states and 97 transitions. Second operand 3 states. [2020-07-28 19:01:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,508 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2020-07-28 19:01:45,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:01:45,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-07-28 19:01:45,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2020-07-28 19:01:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:01:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2020-07-28 19:01:45,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 138 transitions. [2020-07-28 19:01:45,673 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 138 edges. 138 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:45,678 INFO L225 Difference]: With dead ends: 171 [2020-07-28 19:01:45,678 INFO L226 Difference]: Without dead ends: 111 [2020-07-28 19:01:45,679 INFO L675 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 [2020-07-28 19:01:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-07-28 19:01:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2020-07-28 19:01:45,762 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:45,762 INFO L82 GeneralOperation]: Start isEquivalent. First operand 111 states. Second operand 109 states. [2020-07-28 19:01:45,763 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 109 states. [2020-07-28 19:01:45,763 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 109 states. [2020-07-28 19:01:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,767 INFO L93 Difference]: Finished difference Result 111 states and 160 transitions. [2020-07-28 19:01:45,768 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-07-28 19:01:45,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:45,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:45,769 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand 111 states. [2020-07-28 19:01:45,769 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 111 states. [2020-07-28 19:01:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:45,774 INFO L93 Difference]: Finished difference Result 111 states and 160 transitions. [2020-07-28 19:01:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-07-28 19:01:45,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:45,775 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:45,775 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:45,775 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-28 19:01:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2020-07-28 19:01:45,780 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 25 [2020-07-28 19:01:45,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:45,780 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2020-07-28 19:01:45,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:01:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2020-07-28 19:01:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-07-28 19:01:45,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:45,782 INFO L422 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] [2020-07-28 19:01:45,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:01:45,782 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1504399113, now seen corresponding path program 1 times [2020-07-28 19:01:45,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:45,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279902603] [2020-07-28 19:01:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:01:45,871 INFO L280 TraceCheckUtils]: 0: Hoare triple {1850#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,872 INFO L280 TraceCheckUtils]: 1: Hoare triple {1852#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,873 INFO L280 TraceCheckUtils]: 2: Hoare triple {1852#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,874 INFO L280 TraceCheckUtils]: 3: Hoare triple {1852#(= 1 ~waterLevel~0)} main_#t~ret68 := valid_product_#res;assume -2147483648 <= main_#t~ret68 && main_#t~ret68 <= 2147483647;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,878 INFO L280 TraceCheckUtils]: 4: Hoare triple {1852#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~6; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,879 INFO L280 TraceCheckUtils]: 5: Hoare triple {1852#(= 1 ~waterLevel~0)} havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,881 INFO L280 TraceCheckUtils]: 6: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !false; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,883 INFO L280 TraceCheckUtils]: 7: Hoare triple {1852#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,885 INFO L280 TraceCheckUtils]: 8: Hoare triple {1852#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet54 && test_#t~nondet54 <= 2147483647;test_~tmp~5 := test_#t~nondet54;havoc test_#t~nondet54; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,885 INFO L280 TraceCheckUtils]: 9: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~5); {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,886 INFO L280 TraceCheckUtils]: 10: Hoare triple {1852#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet55 && test_#t~nondet55 <= 2147483647;test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,887 INFO L280 TraceCheckUtils]: 11: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,888 INFO L280 TraceCheckUtils]: 12: Hoare triple {1852#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet56 && test_#t~nondet56 <= 2147483647;test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,890 INFO L280 TraceCheckUtils]: 13: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___2~0);assume -2147483648 <= test_#t~nondet57 && test_#t~nondet57 <= 2147483647;test_~tmp___1~0 := test_#t~nondet57;havoc test_#t~nondet57; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,891 INFO L280 TraceCheckUtils]: 14: Hoare triple {1852#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___1~0; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,892 INFO L280 TraceCheckUtils]: 15: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,893 INFO L280 TraceCheckUtils]: 16: Hoare triple {1852#(= 1 ~waterLevel~0)} ~systemActive~0 := 0; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,894 INFO L280 TraceCheckUtils]: 17: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,895 INFO L280 TraceCheckUtils]: 18: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,896 INFO L280 TraceCheckUtils]: 19: Hoare triple {1852#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,896 INFO L280 TraceCheckUtils]: 20: Hoare triple {1852#(= 1 ~waterLevel~0)} __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret70 && __utac_acc__Specification3_spec__1_#t~ret70 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; {1852#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:01:45,902 INFO L280 TraceCheckUtils]: 21: Hoare triple {1852#(= 1 ~waterLevel~0)} assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; {1853#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:01:45,904 INFO L280 TraceCheckUtils]: 22: Hoare triple {1853#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret71 && __utac_acc__Specification3_spec__1_#t~ret71 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; {1854#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} is VALID [2020-07-28 19:01:45,904 INFO L280 TraceCheckUtils]: 23: Hoare triple {1854#(= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)} assume 2 == __utac_acc__Specification3_spec__1_~tmp___0~2;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~4;havoc isPumpRunning_~retValue_acc~4;isPumpRunning_~retValue_acc~4 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~4; {1851#false} is VALID [2020-07-28 19:01:45,905 INFO L280 TraceCheckUtils]: 24: Hoare triple {1851#false} __utac_acc__Specification3_spec__1_#t~ret72 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification3_spec__1_#t~ret72 && __utac_acc__Specification3_spec__1_#t~ret72 <= 2147483647;__utac_acc__Specification3_spec__1_~tmp___1~1 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; {1851#false} is VALID [2020-07-28 19:01:45,905 INFO L280 TraceCheckUtils]: 25: Hoare triple {1851#false} assume !(0 != __utac_acc__Specification3_spec__1_~tmp___1~1); {1851#false} is VALID [2020-07-28 19:01:45,905 INFO L280 TraceCheckUtils]: 26: Hoare triple {1851#false} assume !false; {1851#false} is VALID [2020-07-28 19:01:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 19:01:45,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279902603] [2020-07-28 19:01:45,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:01:45,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:01:45,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405033539] [2020-07-28 19:01:45,908 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:45,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:01:45,909 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:01:45,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:45,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:01:45,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:01:45,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:01:45,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:01:45,953 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand 5 states. [2020-07-28 19:01:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,079 INFO L93 Difference]: Finished difference Result 597 states and 891 transitions. [2020-07-28 19:01:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-28 19:01:47,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-07-28 19:01:47,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:01:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 294 transitions. [2020-07-28 19:01:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:01:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 294 transitions. [2020-07-28 19:01:47,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 294 transitions. [2020-07-28 19:01:47,467 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:01:47,483 INFO L225 Difference]: With dead ends: 597 [2020-07-28 19:01:47,483 INFO L226 Difference]: Without dead ends: 494 [2020-07-28 19:01:47,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-28 19:01:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-07-28 19:01:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 198. [2020-07-28 19:01:47,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:01:47,697 INFO L82 GeneralOperation]: Start isEquivalent. First operand 494 states. Second operand 198 states. [2020-07-28 19:01:47,697 INFO L74 IsIncluded]: Start isIncluded. First operand 494 states. Second operand 198 states. [2020-07-28 19:01:47,698 INFO L87 Difference]: Start difference. First operand 494 states. Second operand 198 states. [2020-07-28 19:01:47,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,721 INFO L93 Difference]: Finished difference Result 494 states and 710 transitions. [2020-07-28 19:01:47,721 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 710 transitions. [2020-07-28 19:01:47,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,722 INFO L74 IsIncluded]: Start isIncluded. First operand 198 states. Second operand 494 states. [2020-07-28 19:01:47,722 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 494 states. [2020-07-28 19:01:47,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:01:47,749 INFO L93 Difference]: Finished difference Result 494 states and 710 transitions. [2020-07-28 19:01:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 710 transitions. [2020-07-28 19:01:47,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:01:47,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:01:47,750 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:01:47,751 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:01:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-07-28 19:01:47,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 280 transitions. [2020-07-28 19:01:47,758 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 280 transitions. Word has length 27 [2020-07-28 19:01:47,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:01:47,759 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 280 transitions. [2020-07-28 19:01:47,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:01:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2020-07-28 19:01:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-28 19:01:47,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:01:47,760 INFO L422 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] [2020-07-28 19:01:47,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:01:47,760 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:01:47,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:01:47,761 INFO L82 PathProgramCache]: Analyzing trace with hash -195864629, now seen corresponding path program 1 times [2020-07-28 19:01:47,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:01:47,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328142953] [2020-07-28 19:01:47,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:01:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:47,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 19:01:47,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 19:01:47,945 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 19:01:47,945 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 19:01:47,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-28 19:01:48,065 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:01:48,065 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L890 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L898 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L828 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L854-1 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L918-1 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L918-1 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L918-1 has no Hoare annotation [2020-07-28 19:01:48,066 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L681-3 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L681-3 has no Hoare annotation [2020-07-28 19:01:48,067 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L434-2 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L466-1 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L466-1 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L441-1 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L693 has no Hoare annotation [2020-07-28 19:01:48,068 WARN L170 areAnnotationChecker]: L625-1 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L758-1 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L758-1 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L718-1 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L763-1 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L912-2 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L912-2 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:01:48,069 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L568-3 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L918-3 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L750-1 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L568-5 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-28 19:01:48,070 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L918-2 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L918-2 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L574-1 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-28 19:01:48,071 WARN L170 areAnnotationChecker]: L519-1 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L681 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L681 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L470-1 has no Hoare annotation [2020-07-28 19:01:48,072 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L922-2 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L922-2 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L582-1 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-28 19:01:48,073 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L44-1 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L718 has no Hoare annotation [2020-07-28 19:01:48,074 WARN L170 areAnnotationChecker]: L681-6 has no Hoare annotation [2020-07-28 19:01:48,077 WARN L170 areAnnotationChecker]: L681-6 has no Hoare annotation [2020-07-28 19:01:48,077 WARN L170 areAnnotationChecker]: L434-3 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L434-3 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L466-2 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L441-2 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L750 has no Hoare annotation [2020-07-28 19:01:48,078 WARN L170 areAnnotationChecker]: L758-2 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L758-2 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L718-2 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L763-2 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L912-4 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L912-4 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L568-6 has no Hoare annotation [2020-07-28 19:01:48,079 WARN L170 areAnnotationChecker]: L568-6 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L918-5 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L750-2 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L568-8 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L918-4 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L918-4 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:48,080 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L574-2 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L519-2 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L922-4 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L922-4 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:48,081 WARN L170 areAnnotationChecker]: L44-2 has no Hoare annotation [2020-07-28 19:01:48,081 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:01:48,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:01:48 BoogieIcfgContainer [2020-07-28 19:01:48,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:01:48,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:01:48,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:01:48,087 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:01:48,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:01:42" (3/4) ... [2020-07-28 19:01:48,090 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 19:01:48,247 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:01:48,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:01:48,251 INFO L168 Benchmark]: Toolchain (without parser) took 8345.58 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 135.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:48,252 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:48,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:48,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:48,253 INFO L168 Benchmark]: Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:48,254 INFO L168 Benchmark]: RCFGBuilder took 1501.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.2 MB in the end (delta: 153.0 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:48,255 INFO L168 Benchmark]: TraceAbstraction took 5744.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 957.2 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:01:48,255 INFO L168 Benchmark]: Witness Printer took 161.60 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:01:48,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 742.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1501.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.2 MB in the end (delta: 153.0 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5744.75 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 957.2 MB in the beginning and 1.2 GB in the end (delta: -224.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 161.60 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L675] int waterLevel = 1; [L676] int methaneLevelCritical = 0; [L769] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L693] COND TRUE waterLevel < 2 [L694] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___2)) [L651] tmp___1 = __VERIFIER_nondet_int() [L653] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L434] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L441] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; [L714] int retValue_acc ; [L717] retValue_acc = methaneLevelCritical [L718] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L910] tmp = isMethaneLevelCritical() [L912] COND FALSE !(\read(tmp)) [L746] int retValue_acc ; [L749] retValue_acc = waterLevel [L750] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L916] tmp___0 = getWaterLevel() [L918] COND TRUE tmp___0 == 2 [L515] int retValue_acc ; [L518] retValue_acc = pumpRunning [L519] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L920] tmp___1 = isPumpRunning() [L922] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 349 SDslu, 289 SDs, 0 SdLazy, 56 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 302 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 4522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...