./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product21.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_spec4_product21.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 8ca334e090ac37635ea5e20a191b6f0bec293495 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 19:03:07,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 19:03:07,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 19:03:07,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 19:03:07,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 19:03:07,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 19:03:07,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 19:03:07,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 19:03:07,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 19:03:07,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 19:03:07,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 19:03:07,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 19:03:07,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 19:03:07,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 19:03:07,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 19:03:07,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 19:03:07,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 19:03:07,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 19:03:07,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 19:03:07,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 19:03:07,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 19:03:07,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 19:03:07,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 19:03:07,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 19:03:07,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 19:03:07,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 19:03:07,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 19:03:07,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 19:03:07,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 19:03:07,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 19:03:07,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 19:03:07,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 19:03:07,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 19:03:07,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 19:03:07,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 19:03:07,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 19:03:07,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 19:03:07,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 19:03:07,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 19:03:07,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 19:03:07,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 19:03:07,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 19:03:07,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 19:03:07,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 19:03:07,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 19:03:07,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 19:03:07,575 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 19:03:07,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 19:03:07,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 19:03:07,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 19:03:07,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 19:03:07,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 19:03:07,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 19:03:07,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 19:03:07,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 19:03:07,577 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 19:03:07,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 19:03:07,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 19:03:07,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 19:03:07,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 19:03:07,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 19:03:07,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 19:03:07,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 19:03:07,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 19:03:07,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 19:03:07,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 19:03:07,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 19:03:07,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 19:03:07,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 19:03:07,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 19:03:07,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 19:03:07,582 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 -> 8ca334e090ac37635ea5e20a191b6f0bec293495 [2020-07-28 19:03:07,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 19:03:07,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 19:03:07,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 19:03:07,911 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 19:03:07,911 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 19:03:07,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-07-28 19:03:07,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7e24807/fb0dbb263c3d4facb19b1aa8cba02187/FLAG76bc5694b [2020-07-28 19:03:08,497 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 19:03:08,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product21.cil.c [2020-07-28 19:03:08,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7e24807/fb0dbb263c3d4facb19b1aa8cba02187/FLAG76bc5694b [2020-07-28 19:03:08,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc7e24807/fb0dbb263c3d4facb19b1aa8cba02187 [2020-07-28 19:03:08,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 19:03:08,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 19:03:08,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:08,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 19:03:08,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 19:03:08,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:08" (1/1) ... [2020-07-28 19:03:08,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e36648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:08, skipping insertion in model container [2020-07-28 19:03:08,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 07:03:08" (1/1) ... [2020-07-28 19:03:08,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 19:03:08,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 19:03:09,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:09,271 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 19:03:09,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 19:03:09,435 INFO L208 MainTranslator]: Completed translation [2020-07-28 19:03:09,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09 WrapperNode [2020-07-28 19:03:09,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 19:03:09,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:09,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 19:03:09,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 19:03:09,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 19:03:09,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 19:03:09,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 19:03:09,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 19:03:09,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (1/1) ... [2020-07-28 19:03:09,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 19:03:09,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 19:03:09,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 19:03:09,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 19:03:09,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (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 19:03:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 19:03:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-28 19:03:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 19:03:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 19:03:11,272 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 19:03:11,273 INFO L295 CfgBuilder]: Removed 156 assume(true) statements. [2020-07-28 19:03:11,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:11 BoogieIcfgContainer [2020-07-28 19:03:11,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 19:03:11,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 19:03:11,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 19:03:11,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 19:03:11,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 07:03:08" (1/3) ... [2020-07-28 19:03:11,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f41e906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:11, skipping insertion in model container [2020-07-28 19:03:11,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 07:03:09" (2/3) ... [2020-07-28 19:03:11,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f41e906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 07:03:11, skipping insertion in model container [2020-07-28 19:03:11,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:11" (3/3) ... [2020-07-28 19:03:11,290 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2020-07-28 19:03:11,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 19:03:11,312 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-28 19:03:11,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-28 19:03:11,356 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 19:03:11,356 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 19:03:11,357 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 19:03:11,357 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 19:03:11,357 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 19:03:11,358 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 19:03:11,358 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 19:03:11,358 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 19:03:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-07-28 19:03:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-28 19:03:11,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:11,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:11,391 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:11,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:11,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1624388130, now seen corresponding path program 1 times [2020-07-28 19:03:11,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:11,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305485374] [2020-07-28 19:03:11,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:11,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {108#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {108#true} is VALID [2020-07-28 19:03:11,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {108#true} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; {108#true} is VALID [2020-07-28 19:03:11,838 INFO L280 TraceCheckUtils]: 2: Hoare triple {108#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {108#true} is VALID [2020-07-28 19:03:11,838 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#true} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; {108#true} is VALID [2020-07-28 19:03:11,839 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#true} assume 0 != main_~tmp~7; {108#true} is VALID [2020-07-28 19:03:11,839 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {108#true} is VALID [2020-07-28 19:03:11,846 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#true} assume false; {109#false} is VALID [2020-07-28 19:03:11,846 INFO L280 TraceCheckUtils]: 7: Hoare triple {109#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {109#false} is VALID [2020-07-28 19:03:11,847 INFO L280 TraceCheckUtils]: 8: Hoare triple {109#false} assume !(0 != ~pumpRunning~0); {109#false} is VALID [2020-07-28 19:03:11,847 INFO L280 TraceCheckUtils]: 9: Hoare triple {109#false} assume !(0 != ~systemActive~0); {109#false} is VALID [2020-07-28 19:03:11,847 INFO L280 TraceCheckUtils]: 10: Hoare triple {109#false} havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {109#false} is VALID [2020-07-28 19:03:11,848 INFO L280 TraceCheckUtils]: 11: Hoare triple {109#false} __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret61 && __utac_acc__Specification4_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; {109#false} is VALID [2020-07-28 19:03:11,848 INFO L280 TraceCheckUtils]: 12: Hoare triple {109#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {109#false} is VALID [2020-07-28 19:03:11,849 INFO L280 TraceCheckUtils]: 13: Hoare triple {109#false} __utac_acc__Specification4_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret62 && __utac_acc__Specification4_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret62;havoc __utac_acc__Specification4_spec__1_#t~ret62; {109#false} is VALID [2020-07-28 19:03:11,849 INFO L280 TraceCheckUtils]: 14: Hoare triple {109#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {109#false} is VALID [2020-07-28 19:03:11,849 INFO L280 TraceCheckUtils]: 15: Hoare triple {109#false} assume !false; {109#false} is VALID [2020-07-28 19:03:11,853 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 19:03:11,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305485374] [2020-07-28 19:03:11,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:11,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:11,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722622539] [2020-07-28 19:03:11,864 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:11,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:11,870 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 19:03:11,909 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:11,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 19:03:11,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:11,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 19:03:11,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 19:03:11,923 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-07-28 19:03:12,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,280 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2020-07-28 19:03:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 19:03:12,280 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-07-28 19:03:12,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:12,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 305 transitions. [2020-07-28 19:03:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 19:03:12,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 305 transitions. [2020-07-28 19:03:12,319 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 305 transitions. [2020-07-28 19:03:12,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 305 edges. 305 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:12,765 INFO L225 Difference]: With dead ends: 204 [2020-07-28 19:03:12,765 INFO L226 Difference]: Without dead ends: 101 [2020-07-28 19:03:12,769 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 19:03:12,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-28 19:03:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-28 19:03:12,832 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:12,833 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-28 19:03:12,833 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-28 19:03:12,834 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-28 19:03:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,842 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-07-28 19:03:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-07-28 19:03:12,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,844 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,844 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-28 19:03:12,845 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-28 19:03:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:12,852 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-07-28 19:03:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-07-28 19:03:12,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:12,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:12,854 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:12,854 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-28 19:03:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2020-07-28 19:03:12,862 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2020-07-28 19:03:12,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:12,863 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2020-07-28 19:03:12,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 19:03:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2020-07-28 19:03:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-28 19:03:12,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:12,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 19:03:12,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 19:03:12,865 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:12,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:12,866 INFO L82 PathProgramCache]: Analyzing trace with hash 577631233, now seen corresponding path program 1 times [2020-07-28 19:03:12,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:12,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869266405] [2020-07-28 19:03:12,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:13,044 INFO L280 TraceCheckUtils]: 0: Hoare triple {740#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {740#true} is VALID [2020-07-28 19:03:13,044 INFO L280 TraceCheckUtils]: 1: Hoare triple {740#true} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; {740#true} is VALID [2020-07-28 19:03:13,045 INFO L280 TraceCheckUtils]: 2: Hoare triple {740#true} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {740#true} is VALID [2020-07-28 19:03:13,045 INFO L280 TraceCheckUtils]: 3: Hoare triple {740#true} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; {740#true} is VALID [2020-07-28 19:03:13,045 INFO L280 TraceCheckUtils]: 4: Hoare triple {740#true} assume 0 != main_~tmp~7; {740#true} is VALID [2020-07-28 19:03:13,048 INFO L280 TraceCheckUtils]: 5: Hoare triple {740#true} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {742#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:13,049 INFO L280 TraceCheckUtils]: 6: Hoare triple {742#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !false; {742#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} is VALID [2020-07-28 19:03:13,050 INFO L280 TraceCheckUtils]: 7: Hoare triple {742#(= 0 ULTIMATE.start_test_~splverifierCounter~0)} assume !(test_~splverifierCounter~0 < 4); {741#false} is VALID [2020-07-28 19:03:13,050 INFO L280 TraceCheckUtils]: 8: Hoare triple {741#false} havoc cleanup_~i~0, cleanup_~__cil_tmp2~0;havoc cleanup_~i~0;havoc cleanup_~__cil_tmp2~0; {741#false} is VALID [2020-07-28 19:03:13,051 INFO L280 TraceCheckUtils]: 9: Hoare triple {741#false} assume !(0 != ~pumpRunning~0); {741#false} is VALID [2020-07-28 19:03:13,051 INFO L280 TraceCheckUtils]: 10: Hoare triple {741#false} assume !(0 != ~systemActive~0); {741#false} is VALID [2020-07-28 19:03:13,051 INFO L280 TraceCheckUtils]: 11: Hoare triple {741#false} havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {741#false} is VALID [2020-07-28 19:03:13,052 INFO L280 TraceCheckUtils]: 12: Hoare triple {741#false} __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret61 && __utac_acc__Specification4_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; {741#false} is VALID [2020-07-28 19:03:13,052 INFO L280 TraceCheckUtils]: 13: Hoare triple {741#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {741#false} is VALID [2020-07-28 19:03:13,052 INFO L280 TraceCheckUtils]: 14: Hoare triple {741#false} __utac_acc__Specification4_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret62 && __utac_acc__Specification4_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret62;havoc __utac_acc__Specification4_spec__1_#t~ret62; {741#false} is VALID [2020-07-28 19:03:13,053 INFO L280 TraceCheckUtils]: 15: Hoare triple {741#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {741#false} is VALID [2020-07-28 19:03:13,053 INFO L280 TraceCheckUtils]: 16: Hoare triple {741#false} assume !false; {741#false} is VALID [2020-07-28 19:03:13,057 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 19:03:13,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869266405] [2020-07-28 19:03:13,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:13,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-28 19:03:13,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384270246] [2020-07-28 19:03:13,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:13,062 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:13,062 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:13,097 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:13,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:13,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:13,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:13,099 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2020-07-28 19:03:13,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,353 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2020-07-28 19:03:13,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:13,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-28 19:03:13,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 144 transitions. [2020-07-28 19:03:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 144 transitions. [2020-07-28 19:03:13,360 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 144 transitions. [2020-07-28 19:03:13,552 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,554 INFO L225 Difference]: With dead ends: 101 [2020-07-28 19:03:13,555 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 19:03:13,556 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 19:03:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 19:03:13,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-28 19:03:13,573 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:13,573 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:13,573 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:13,573 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,579 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2020-07-28 19:03:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-07-28 19:03:13,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,580 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:13,580 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:13,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,583 INFO L93 Difference]: Finished difference Result 43 states and 61 transitions. [2020-07-28 19:03:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-07-28 19:03:13,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:13,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:13,584 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:13,584 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-28 19:03:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2020-07-28 19:03:13,586 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2020-07-28 19:03:13,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:13,586 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2020-07-28 19:03:13,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2020-07-28 19:03:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-28 19:03:13,587 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:13,588 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] [2020-07-28 19:03:13,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 19:03:13,588 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:13,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:13,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1301096006, now seen corresponding path program 1 times [2020-07-28 19:03:13,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:13,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785627973] [2020-07-28 19:03:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:13,698 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,699 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,700 INFO L280 TraceCheckUtils]: 2: Hoare triple {1033#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,701 INFO L280 TraceCheckUtils]: 3: Hoare triple {1033#(= 1 ~systemActive~0)} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,702 INFO L280 TraceCheckUtils]: 4: Hoare triple {1033#(= 1 ~systemActive~0)} assume 0 != main_~tmp~7; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {1033#(= 1 ~systemActive~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,703 INFO L280 TraceCheckUtils]: 6: Hoare triple {1033#(= 1 ~systemActive~0)} assume !false; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,704 INFO L280 TraceCheckUtils]: 7: Hoare triple {1033#(= 1 ~systemActive~0)} assume test_~splverifierCounter~0 < 4; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,705 INFO L280 TraceCheckUtils]: 8: Hoare triple {1033#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,706 INFO L280 TraceCheckUtils]: 9: Hoare triple {1033#(= 1 ~systemActive~0)} assume !(0 != test_~tmp~3); {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,707 INFO L280 TraceCheckUtils]: 10: Hoare triple {1033#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,707 INFO L280 TraceCheckUtils]: 11: Hoare triple {1033#(= 1 ~systemActive~0)} assume !(0 != test_~tmp___0~1); {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,708 INFO L280 TraceCheckUtils]: 12: Hoare triple {1033#(= 1 ~systemActive~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,709 INFO L280 TraceCheckUtils]: 13: Hoare triple {1033#(= 1 ~systemActive~0)} assume 0 != test_~tmp___2~0; {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,710 INFO L280 TraceCheckUtils]: 14: Hoare triple {1033#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {1033#(= 1 ~systemActive~0)} is VALID [2020-07-28 19:03:13,711 INFO L280 TraceCheckUtils]: 15: Hoare triple {1033#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {1032#false} is VALID [2020-07-28 19:03:13,711 INFO L280 TraceCheckUtils]: 16: Hoare triple {1032#false} havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1032#false} is VALID [2020-07-28 19:03:13,711 INFO L280 TraceCheckUtils]: 17: Hoare triple {1032#false} __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret61 && __utac_acc__Specification4_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; {1032#false} is VALID [2020-07-28 19:03:13,712 INFO L280 TraceCheckUtils]: 18: Hoare triple {1032#false} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1032#false} is VALID [2020-07-28 19:03:13,712 INFO L280 TraceCheckUtils]: 19: Hoare triple {1032#false} __utac_acc__Specification4_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret62 && __utac_acc__Specification4_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret62;havoc __utac_acc__Specification4_spec__1_#t~ret62; {1032#false} is VALID [2020-07-28 19:03:13,712 INFO L280 TraceCheckUtils]: 20: Hoare triple {1032#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1032#false} is VALID [2020-07-28 19:03:13,712 INFO L280 TraceCheckUtils]: 21: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-28 19:03:13,715 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 19:03:13,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785627973] [2020-07-28 19:03:13,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:13,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 19:03:13,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631960904] [2020-07-28 19:03:13,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:13,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:13,717 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-28 19:03:13,748 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:13,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-28 19:03:13,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-28 19:03:13,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-28 19:03:13,750 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 3 states. [2020-07-28 19:03:13,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:13,913 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2020-07-28 19:03:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 19:03:13,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-07-28 19:03:13,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:13,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2020-07-28 19:03:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-28 19:03:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2020-07-28 19:03:13,919 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 116 transitions. [2020-07-28 19:03:14,075 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:14,077 INFO L225 Difference]: With dead ends: 80 [2020-07-28 19:03:14,077 INFO L226 Difference]: Without dead ends: 43 [2020-07-28 19:03:14,078 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 19:03:14,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-07-28 19:03:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-07-28 19:03:14,115 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:14,115 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:14,115 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:14,115 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:14,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:14,119 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-07-28 19:03:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:03:14,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:14,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:14,120 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:14,121 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 43 states. [2020-07-28 19:03:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:14,133 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-07-28 19:03:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:03:14,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:14,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:14,134 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:14,134 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-28 19:03:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-07-28 19:03:14,138 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2020-07-28 19:03:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:14,139 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-07-28 19:03:14,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-28 19:03:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-07-28 19:03:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-28 19:03:14,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:14,142 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 19:03:14,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-28 19:03:14,143 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:14,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:14,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1386148968, now seen corresponding path program 1 times [2020-07-28 19:03:14,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:14,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788983549] [2020-07-28 19:03:14,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:14,329 INFO L280 TraceCheckUtils]: 0: Hoare triple {1290#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {1292#(= 1 ~waterLevel~0)} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,330 INFO L280 TraceCheckUtils]: 2: Hoare triple {1292#(= 1 ~waterLevel~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,331 INFO L280 TraceCheckUtils]: 3: Hoare triple {1292#(= 1 ~waterLevel~0)} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,331 INFO L280 TraceCheckUtils]: 4: Hoare triple {1292#(= 1 ~waterLevel~0)} assume 0 != main_~tmp~7; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {1292#(= 1 ~waterLevel~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,333 INFO L280 TraceCheckUtils]: 6: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !false; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,333 INFO L280 TraceCheckUtils]: 7: Hoare triple {1292#(= 1 ~waterLevel~0)} assume test_~splverifierCounter~0 < 4; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,334 INFO L280 TraceCheckUtils]: 8: Hoare triple {1292#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,334 INFO L280 TraceCheckUtils]: 9: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp~3); {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,335 INFO L280 TraceCheckUtils]: 10: Hoare triple {1292#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,336 INFO L280 TraceCheckUtils]: 11: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !(0 != test_~tmp___0~1); {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,336 INFO L280 TraceCheckUtils]: 12: Hoare triple {1292#(= 1 ~waterLevel~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,337 INFO L280 TraceCheckUtils]: 13: Hoare triple {1292#(= 1 ~waterLevel~0)} assume 0 != test_~tmp___2~0; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,338 INFO L280 TraceCheckUtils]: 14: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,338 INFO L280 TraceCheckUtils]: 15: Hoare triple {1292#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,339 INFO L280 TraceCheckUtils]: 16: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,340 INFO L280 TraceCheckUtils]: 17: Hoare triple {1292#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1292#(= 1 ~waterLevel~0)} is VALID [2020-07-28 19:03:14,340 INFO L280 TraceCheckUtils]: 18: Hoare triple {1292#(= 1 ~waterLevel~0)} havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1293#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} is VALID [2020-07-28 19:03:14,341 INFO L280 TraceCheckUtils]: 19: Hoare triple {1293#(= 1 |ULTIMATE.start_getWaterLevel_#res|)} __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret61 && __utac_acc__Specification4_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; {1294#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} is VALID [2020-07-28 19:03:14,343 INFO L280 TraceCheckUtils]: 20: Hoare triple {1294#(= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~8)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1291#false} is VALID [2020-07-28 19:03:14,343 INFO L280 TraceCheckUtils]: 21: Hoare triple {1291#false} __utac_acc__Specification4_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret62 && __utac_acc__Specification4_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret62;havoc __utac_acc__Specification4_spec__1_#t~ret62; {1291#false} is VALID [2020-07-28 19:03:14,343 INFO L280 TraceCheckUtils]: 22: Hoare triple {1291#false} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1291#false} is VALID [2020-07-28 19:03:14,344 INFO L280 TraceCheckUtils]: 23: Hoare triple {1291#false} assume !false; {1291#false} is VALID [2020-07-28 19:03:14,345 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 19:03:14,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788983549] [2020-07-28 19:03:14,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:14,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:14,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644724470] [2020-07-28 19:03:14,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:03:14,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:14,347 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:14,384 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 19:03:14,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:14,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:14,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:14,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:14,385 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 5 states. [2020-07-28 19:03:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:15,068 INFO L93 Difference]: Finished difference Result 170 states and 251 transitions. [2020-07-28 19:03:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-28 19:03:15,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-07-28 19:03:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 251 transitions. [2020-07-28 19:03:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 251 transitions. [2020-07-28 19:03:15,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 251 transitions. [2020-07-28 19:03:15,348 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 19:03:15,353 INFO L225 Difference]: With dead ends: 170 [2020-07-28 19:03:15,353 INFO L226 Difference]: Without dead ends: 133 [2020-07-28 19:03:15,354 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 19:03:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-07-28 19:03:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 76. [2020-07-28 19:03:15,455 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:15,455 INFO L82 GeneralOperation]: Start isEquivalent. First operand 133 states. Second operand 76 states. [2020-07-28 19:03:15,455 INFO L74 IsIncluded]: Start isIncluded. First operand 133 states. Second operand 76 states. [2020-07-28 19:03:15,456 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 76 states. [2020-07-28 19:03:15,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:15,465 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:03:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:03:15,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:15,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:15,468 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 133 states. [2020-07-28 19:03:15,468 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 133 states. [2020-07-28 19:03:15,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:15,477 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-07-28 19:03:15,477 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-07-28 19:03:15,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:15,479 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:15,479 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:15,479 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:15,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-28 19:03:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-07-28 19:03:15,484 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 24 [2020-07-28 19:03:15,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:15,485 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-07-28 19:03:15,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:15,486 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-07-28 19:03:15,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-28 19:03:15,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 19:03:15,488 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 19:03:15,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-28 19:03:15,488 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 19:03:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 19:03:15,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1032359194, now seen corresponding path program 1 times [2020-07-28 19:03:15,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 19:03:15,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837934655] [2020-07-28 19:03:15,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 19:03:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 19:03:15,645 INFO L280 TraceCheckUtils]: 0: Hoare triple {1905#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,647 INFO L280 TraceCheckUtils]: 1: Hoare triple {1907#(= 0 ~pumpRunning~0)} havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,648 INFO L280 TraceCheckUtils]: 2: Hoare triple {1907#(= 0 ~pumpRunning~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,649 INFO L280 TraceCheckUtils]: 3: Hoare triple {1907#(= 0 ~pumpRunning~0)} main_#t~ret60 := valid_product_#res;assume -2147483648 <= main_#t~ret60 && main_#t~ret60 <= 2147483647;main_~tmp~7 := main_#t~ret60;havoc main_#t~ret60; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,650 INFO L280 TraceCheckUtils]: 4: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume 0 != main_~tmp~7; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,650 INFO L280 TraceCheckUtils]: 5: Hoare triple {1907#(= 0 ~pumpRunning~0)} havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,651 INFO L280 TraceCheckUtils]: 6: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume !false; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,651 INFO L280 TraceCheckUtils]: 7: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume test_~splverifierCounter~0 < 4; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,652 INFO L280 TraceCheckUtils]: 8: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet20 && test_#t~nondet20 <= 2147483647;test_~tmp~3 := test_#t~nondet20;havoc test_#t~nondet20; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,653 INFO L280 TraceCheckUtils]: 9: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp~3; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,653 INFO L280 TraceCheckUtils]: 10: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume ~waterLevel~0 < 2;~waterLevel~0 := 1 + ~waterLevel~0; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,655 INFO L280 TraceCheckUtils]: 11: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet21 && test_#t~nondet21 <= 2147483647;test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,656 INFO L280 TraceCheckUtils]: 12: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume !(0 != test_~tmp___0~1); {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,657 INFO L280 TraceCheckUtils]: 13: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume -2147483648 <= test_#t~nondet22 && test_#t~nondet22 <= 2147483647;test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,658 INFO L280 TraceCheckUtils]: 14: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume 0 != test_~tmp___2~0; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,659 INFO L280 TraceCheckUtils]: 15: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,660 INFO L280 TraceCheckUtils]: 16: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,661 INFO L280 TraceCheckUtils]: 17: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret0, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,662 INFO L280 TraceCheckUtils]: 18: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume !(0 != ~pumpRunning~0); {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,663 INFO L280 TraceCheckUtils]: 19: Hoare triple {1907#(= 0 ~pumpRunning~0)} havoc __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_#t~ret62, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,664 INFO L280 TraceCheckUtils]: 20: Hoare triple {1907#(= 0 ~pumpRunning~0)} __utac_acc__Specification4_spec__1_#t~ret61 := getWaterLevel_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret61 && __utac_acc__Specification4_spec__1_#t~ret61 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret61;havoc __utac_acc__Specification4_spec__1_#t~ret61; {1907#(= 0 ~pumpRunning~0)} is VALID [2020-07-28 19:03:15,665 INFO L280 TraceCheckUtils]: 21: Hoare triple {1907#(= 0 ~pumpRunning~0)} assume 0 == __utac_acc__Specification4_spec__1_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; {1908#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} is VALID [2020-07-28 19:03:15,666 INFO L280 TraceCheckUtils]: 22: Hoare triple {1908#(= 0 |ULTIMATE.start_isPumpRunning_#res|)} __utac_acc__Specification4_spec__1_#t~ret62 := isPumpRunning_#res;assume -2147483648 <= __utac_acc__Specification4_spec__1_#t~ret62 && __utac_acc__Specification4_spec__1_#t~ret62 <= 2147483647;__utac_acc__Specification4_spec__1_~tmp___0~2 := __utac_acc__Specification4_spec__1_#t~ret62;havoc __utac_acc__Specification4_spec__1_#t~ret62; {1909#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~2)} is VALID [2020-07-28 19:03:15,667 INFO L280 TraceCheckUtils]: 23: Hoare triple {1909#(= 0 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp___0~2)} assume 0 != __utac_acc__Specification4_spec__1_~tmp___0~2; {1906#false} is VALID [2020-07-28 19:03:15,668 INFO L280 TraceCheckUtils]: 24: Hoare triple {1906#false} assume !false; {1906#false} is VALID [2020-07-28 19:03:15,669 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 19:03:15,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837934655] [2020-07-28 19:03:15,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 19:03:15,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-28 19:03:15,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184959150] [2020-07-28 19:03:15,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:03:15,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 19:03:15,672 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-28 19:03:15,712 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 19:03:15,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-28 19:03:15,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 19:03:15,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-28 19:03:15,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-28 19:03:15,713 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-07-28 19:03:16,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:16,124 INFO L93 Difference]: Finished difference Result 148 states and 217 transitions. [2020-07-28 19:03:16,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-28 19:03:16,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-28 19:03:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 19:03:16,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2020-07-28 19:03:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-28 19:03:16,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2020-07-28 19:03:16,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 144 transitions. [2020-07-28 19:03:16,326 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 144 edges. 144 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 19:03:16,327 INFO L225 Difference]: With dead ends: 148 [2020-07-28 19:03:16,327 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 19:03:16,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-28 19:03:16,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 19:03:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 19:03:16,329 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 19:03:16,329 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:16,331 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:16,331 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:16,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:16,331 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:16,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:16,332 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:16,332 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:16,332 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 19:03:16,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 19:03:16,333 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 19:03:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:16,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:16,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 19:03:16,334 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 19:03:16,334 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 19:03:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 19:03:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 19:03:16,334 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-07-28 19:03:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 19:03:16,335 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 19:03:16,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-28 19:03:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 19:03:16,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 19:03:16,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-28 19:03:16,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 19:03:16,641 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,642 INFO L264 CegarLoopResult]: At program point L696(lines 1 919) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,642 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,642 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,642 INFO L268 CegarLoopResult]: For program point L300-2(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,642 INFO L264 CegarLoopResult]: At program point L168(lines 163 171) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,642 INFO L264 CegarLoopResult]: At program point L168-1(lines 163 171) the Hoare annotation is: false [2020-07-28 19:03:16,642 INFO L264 CegarLoopResult]: At program point L168-2(lines 163 171) the Hoare annotation is: false [2020-07-28 19:03:16,642 INFO L268 CegarLoopResult]: For program point L862(lines 862 866) no Hoare annotation was computed. [2020-07-28 19:03:16,643 INFO L268 CegarLoopResult]: For program point L271(lines 271 282) no Hoare annotation was computed. [2020-07-28 19:03:16,643 INFO L271 CegarLoopResult]: At program point L800(lines 781 803) the Hoare annotation is: true [2020-07-28 19:03:16,643 INFO L264 CegarLoopResult]: At program point L768(lines 764 770) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,643 INFO L264 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,643 INFO L268 CegarLoopResult]: For program point L242(lines 241 286) no Hoare annotation was computed. [2020-07-28 19:03:16,643 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-28 19:03:16,643 INFO L268 CegarLoopResult]: For program point L838(lines 838 842) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L838-3(lines 838 842) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L838-6(lines 838 842) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L277-2(lines 57 63) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L264 CegarLoopResult]: At program point L907(lines 902 910) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,644 INFO L264 CegarLoopResult]: At program point L907-1(lines 902 910) the Hoare annotation is: false [2020-07-28 19:03:16,644 INFO L264 CegarLoopResult]: At program point L907-2(lines 902 910) the Hoare annotation is: false [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-07-28 19:03:16,644 INFO L268 CegarLoopResult]: For program point L115-1(lines 115 132) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L115-2(lines 115 132) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L264 CegarLoopResult]: At program point L875(lines 870 878) the Hoare annotation is: false [2020-07-28 19:03:16,645 INFO L264 CegarLoopResult]: At program point L875-1(lines 870 878) the Hoare annotation is: false [2020-07-28 19:03:16,645 INFO L264 CegarLoopResult]: At program point L875-2(lines 870 878) the Hoare annotation is: false [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217-2(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217-3(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217-5(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217-6(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,645 INFO L268 CegarLoopResult]: For program point L217-8(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-9(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-11(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-12(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-14(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-15(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L217-17(lines 217 221) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L268 CegarLoopResult]: For program point L251(lines 251 257) no Hoare annotation was computed. [2020-07-28 19:03:16,646 INFO L264 CegarLoopResult]: At program point L251-1(lines 251 257) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L119-1(lines 119 127) no Hoare annotation was computed. [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L119-2(lines 119 127) no Hoare annotation was computed. [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L814(lines 814 827) no Hoare annotation was computed. [2020-07-28 19:03:16,647 INFO L264 CegarLoopResult]: At program point L814-1(lines 1 919) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L814-2(lines 814 827) no Hoare annotation was computed. [2020-07-28 19:03:16,647 INFO L264 CegarLoopResult]: At program point L814-3(lines 1 919) the Hoare annotation is: false [2020-07-28 19:03:16,647 INFO L268 CegarLoopResult]: For program point L814-4(lines 814 827) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L264 CegarLoopResult]: At program point L814-5(lines 1 919) the Hoare annotation is: false [2020-07-28 19:03:16,648 INFO L264 CegarLoopResult]: At program point L287(lines 240 288) the Hoare annotation is: false [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89-1(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89-2(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89-3(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89-4(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L89-5(lines 89 106) no Hoare annotation was computed. [2020-07-28 19:03:16,648 INFO L264 CegarLoopResult]: At program point L57(lines 56 75) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,648 INFO L268 CegarLoopResult]: For program point L57-1(lines 57 63) no Hoare annotation was computed. [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L57-2(lines 56 75) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L57-3(lines 56 75) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L916(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L916-1(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L268 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L916-2(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L916-3(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,649 INFO L264 CegarLoopResult]: At program point L916-4(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L916-5(lines 911 919) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223-1(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223-2(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223-3(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223-4(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L264 CegarLoopResult]: At program point L223-5(lines 208 226) the Hoare annotation is: false [2020-07-28 19:03:16,650 INFO L268 CegarLoopResult]: For program point L818(lines 818 824) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L818-2(lines 818 824) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L818-4(lines 818 824) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L264 CegarLoopResult]: At program point L720-2(lines 720 734) the Hoare annotation is: false [2020-07-28 19:03:16,651 INFO L264 CegarLoopResult]: At program point L159(lines 152 162) the Hoare annotation is: false [2020-07-28 19:03:16,651 INFO L264 CegarLoopResult]: At program point L159-1(lines 152 162) the Hoare annotation is: false [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L264 CegarLoopResult]: At program point L159-2(lines 152 162) the Hoare annotation is: false [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L93-1(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L93-2(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,651 INFO L268 CegarLoopResult]: For program point L93-3(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L93-5(lines 93 101) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L264 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L268 CegarLoopResult]: For program point L724-1(lines 57 63) no Hoare annotation was computed. [2020-07-28 19:03:16,652 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (and (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 0 ~pumpRunning~0) (= 1 ~systemActive~0)) [2020-07-28 19:03:16,652 INFO L264 CegarLoopResult]: At program point L64-1(lines 64 70) the Hoare annotation is: false [2020-07-28 19:03:16,653 INFO L264 CegarLoopResult]: At program point L64-2(lines 64 70) the Hoare annotation is: false [2020-07-28 19:03:16,653 INFO L268 CegarLoopResult]: For program point L791(lines 791 798) no Hoare annotation was computed. [2020-07-28 19:03:16,653 INFO L271 CegarLoopResult]: At program point L791-1(lines 791 798) the Hoare annotation is: true [2020-07-28 19:03:16,653 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 19:03:16,653 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2020-07-28 19:03:16,657 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 19:03:16,658 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 19:03:16,664 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:03:16,664 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:03:16,664 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-28 19:03:16,668 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:03:16,668 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L242 has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-28 19:03:16,669 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L838-3 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L838-3 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L115-1 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L251 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L115-1 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L115-1 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-28 19:03:16,670 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L261 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L119-1 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L217-9 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L814-2 has no Hoare annotation [2020-07-28 19:03:16,671 WARN L170 areAnnotationChecker]: L862 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L862 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L119-1 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L119-1 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L217-9 has no Hoare annotation [2020-07-28 19:03:16,672 WARN L170 areAnnotationChecker]: L217-9 has no Hoare annotation [2020-07-28 19:03:16,673 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-28 19:03:16,673 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-28 19:03:16,673 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-28 19:03:16,673 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:03:16,673 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L217-11 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L277-2 has no Hoare annotation [2020-07-28 19:03:16,674 WARN L170 areAnnotationChecker]: L277-2 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L217-6 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L300-1 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L300-1 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:03:16,675 WARN L170 areAnnotationChecker]: L838 has no Hoare annotation [2020-07-28 19:03:16,676 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L217-6 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L217-6 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L93-3 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 19:03:16,677 WARN L170 areAnnotationChecker]: L115 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L217-8 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L724-1 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L724-1 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L89-1 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L838-6 has no Hoare annotation [2020-07-28 19:03:16,679 WARN L170 areAnnotationChecker]: L838-6 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L115-2 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L217-3 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L115-2 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L115-2 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 19:03:16,680 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L217-3 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L217-3 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L89-5 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L89-5 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L814-4 has no Hoare annotation [2020-07-28 19:03:16,681 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:03:16,682 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 19:03:16,682 WARN L170 areAnnotationChecker]: L217-5 has no Hoare annotation [2020-07-28 19:03:16,682 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-28 19:03:16,682 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L217-15 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L814-4 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L814-4 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 19:03:16,683 WARN L170 areAnnotationChecker]: L217-15 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L217-15 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L818-4 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L217 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 19:03:16,684 WARN L170 areAnnotationChecker]: L93-1 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L89-4 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L217-17 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L818-4 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L818-4 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L217-2 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L217-12 has no Hoare annotation [2020-07-28 19:03:16,685 WARN L170 areAnnotationChecker]: L93-5 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L300-2 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L300-2 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L217-12 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L217-12 has no Hoare annotation [2020-07-28 19:03:16,686 WARN L170 areAnnotationChecker]: L93-5 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93-5 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L217-14 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:03:16,687 WARN L170 areAnnotationChecker]: L93-4 has no Hoare annotation [2020-07-28 19:03:16,687 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 19:03:16,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 07:03:16 BoogieIcfgContainer [2020-07-28 19:03:16,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 19:03:16,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 19:03:16,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 19:03:16,706 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 19:03:16,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 07:03:11" (3/4) ... [2020-07-28 19:03:16,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 19:03:16,740 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-07-28 19:03:16,741 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-07-28 19:03:16,742 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 19:03:16,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 19:03:16,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 19:03:16,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:16,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 19:03:16,781 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive [2020-07-28 19:03:16,879 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 19:03:16,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 19:03:16,882 INFO L168 Benchmark]: Toolchain (without parser) took 8112.42 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -279.0 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:16,882 INFO L168 Benchmark]: CDTParser took 0.20 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 19:03:16,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:16,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:16,884 INFO L168 Benchmark]: Boogie Preprocessor took 63.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:16,884 INFO L168 Benchmark]: RCFGBuilder took 1665.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 169.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:16,884 INFO L168 Benchmark]: TraceAbstraction took 5425.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 921.7 MB in the beginning and 1.2 GB in the end (delta: -327.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 19:03:16,885 INFO L168 Benchmark]: Witness Printer took 173.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2020-07-28 19:03:16,888 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 0.20 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 664.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.26 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1665.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 169.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5425.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 921.7 MB in the beginning and 1.2 GB in the end (delta: -327.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 173.60 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((0 == splverifierCounter && 0 == \result) && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && 1 == systemActive - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 410 SDtfs, 379 SDslu, 266 SDs, 0 SdLazy, 66 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 42 PreInvPairs, 68 NumberOfFragments, 135 HoareAnnotationTreeSize, 42 FomulaSimplifications, 395 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 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 correct! Received shutdown request...