./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec2_product07.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18788254abfa5723715f3d4730fe86dc47b8285d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:10,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:10,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:10,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:10,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:10,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:10,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:10,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:10,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:10,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:10,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:10,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:10,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:10,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:10,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:10,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:10,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:10,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:10,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:10,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:10,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:10,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:10,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:10,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:10,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:10,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:10,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:10,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:10,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:10,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:10,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:10,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:10,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:10,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:10,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:10,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:10,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:10,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:10,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:10,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:10,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:10,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:10,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:10,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:10,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:10,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:10,729 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:10,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:10,729 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:10,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:10,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:10,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:10,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:10,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:10,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:10,731 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:10,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:10,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:10,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:10,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:10,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:10,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:10,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:10,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:10,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:10,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:10,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:10,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:10,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:10,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:10,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:10,735 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(reach_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 -> 18788254abfa5723715f3d4730fe86dc47b8285d [2020-10-20 01:42:10,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:10,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:10,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:10,969 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:10,970 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:10,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-10-20 01:42:11,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e9432dc/efa5f5c4bbad4a4eb924a4b445bc5829/FLAGa668bf615 [2020-10-20 01:42:11,584 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:11,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2020-10-20 01:42:11,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e9432dc/efa5f5c4bbad4a4eb924a4b445bc5829/FLAGa668bf615 [2020-10-20 01:42:11,907 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03e9432dc/efa5f5c4bbad4a4eb924a4b445bc5829 [2020-10-20 01:42:11,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:11,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:11,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:11,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:11,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:11,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bf9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11, skipping insertion in model container [2020-10-20 01:42:11,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:12,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:12,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:12,421 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:12,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:12,547 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:12,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12 WrapperNode [2020-10-20 01:42:12,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:12,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:12,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:12,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:12,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:12,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:12,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:12,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:12,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (1/1) ... [2020-10-20 01:42:12,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:12,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:12,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:12,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:12,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (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 [2020-10-20 01:42:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:12,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:13,566 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:13,567 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-20 01:42:13,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:13 BoogieIcfgContainer [2020-10-20 01:42:13,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:13,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:13,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:13,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:13,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:11" (1/3) ... [2020-10-20 01:42:13,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400b66b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:13, skipping insertion in model container [2020-10-20 01:42:13,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:12" (2/3) ... [2020-10-20 01:42:13,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400b66b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:13, skipping insertion in model container [2020-10-20 01:42:13,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:13" (3/3) ... [2020-10-20 01:42:13,578 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-10-20 01:42:13,590 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:13,597 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:13,611 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:13,636 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:13,636 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:13,637 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:13,637 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:13,637 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:13,638 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:13,638 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:13,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:42:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:13,659 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:13,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:13,660 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:13,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:13,666 INFO L82 PathProgramCache]: Analyzing trace with hash 968341668, now seen corresponding path program 1 times [2020-10-20 01:42:13,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:13,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673718171] [2020-10-20 01:42:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:13,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673718171] [2020-10-20 01:42:13,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:13,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:13,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344942251] [2020-10-20 01:42:13,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:13,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:13,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:13,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:13,937 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:42:13,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:13,992 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-10-20 01:42:13,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:13,993 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:13,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,013 INFO L225 Difference]: With dead ends: 146 [2020-10-20 01:42:14,013 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:42:14,021 INFO L677 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 [2020-10-20 01:42:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:42:14,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:42:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:42:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-10-20 01:42:14,063 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-10-20 01:42:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,063 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-10-20 01:42:14,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-10-20 01:42:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:14,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:14,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:14,066 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,066 INFO L82 PathProgramCache]: Analyzing trace with hash 749505699, now seen corresponding path program 1 times [2020-10-20 01:42:14,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34570783] [2020-10-20 01:42:14,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:14,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34570783] [2020-10-20 01:42:14,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:14,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59846482] [2020-10-20 01:42:14,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:14,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:14,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:14,165 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-10-20 01:42:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,187 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-20 01:42:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:14,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,189 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:42:14,189 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:42:14,190 INFO L677 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 [2020-10-20 01:42:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:42:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:42:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:42:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:42:14,196 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-20 01:42:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,197 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:42:14,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:42:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:14,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,198 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] [2020-10-20 01:42:14,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:14,198 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,199 INFO L82 PathProgramCache]: Analyzing trace with hash 369120319, now seen corresponding path program 1 times [2020-10-20 01:42:14,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654092443] [2020-10-20 01:42:14,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:14,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654092443] [2020-10-20 01:42:14,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:14,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602193606] [2020-10-20 01:42:14,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:14,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:14,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:14,364 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-10-20 01:42:14,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,381 INFO L93 Difference]: Finished difference Result 91 states and 133 transitions. [2020-10-20 01:42:14,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:14,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,383 INFO L225 Difference]: With dead ends: 91 [2020-10-20 01:42:14,383 INFO L226 Difference]: Without dead ends: 63 [2020-10-20 01:42:14,383 INFO L677 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 [2020-10-20 01:42:14,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-20 01:42:14,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 59. [2020-10-20 01:42:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-20 01:42:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 86 transitions. [2020-10-20 01:42:14,393 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 86 transitions. Word has length 24 [2020-10-20 01:42:14,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,394 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 86 transitions. [2020-10-20 01:42:14,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2020-10-20 01:42:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:14,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,395 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] [2020-10-20 01:42:14,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:14,395 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1510483975, now seen corresponding path program 1 times [2020-10-20 01:42:14,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037450829] [2020-10-20 01:42:14,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:14,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037450829] [2020-10-20 01:42:14,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:14,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652944612] [2020-10-20 01:42:14,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:14,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:14,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:14,482 INFO L87 Difference]: Start difference. First operand 59 states and 86 transitions. Second operand 5 states. [2020-10-20 01:42:14,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,648 INFO L93 Difference]: Finished difference Result 265 states and 407 transitions. [2020-10-20 01:42:14,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:14,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:14,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,651 INFO L225 Difference]: With dead ends: 265 [2020-10-20 01:42:14,651 INFO L226 Difference]: Without dead ends: 213 [2020-10-20 01:42:14,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:14,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-20 01:42:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 103. [2020-10-20 01:42:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-20 01:42:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2020-10-20 01:42:14,671 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 25 [2020-10-20 01:42:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,671 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2020-10-20 01:42:14,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2020-10-20 01:42:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:14,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:14,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:14,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:14,673 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:14,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:14,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1404713871, now seen corresponding path program 1 times [2020-10-20 01:42:14,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:14,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924100948] [2020-10-20 01:42:14,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:14,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924100948] [2020-10-20 01:42:14,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:14,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:14,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689044523] [2020-10-20 01:42:14,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:14,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:14,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:14,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:14,779 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand 5 states. [2020-10-20 01:42:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:14,894 INFO L93 Difference]: Finished difference Result 299 states and 448 transitions. [2020-10-20 01:42:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:14,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:14,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:14,895 INFO L225 Difference]: With dead ends: 299 [2020-10-20 01:42:14,895 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:14,898 INFO L677 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 [2020-10-20 01:42:14,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:14,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 01:42:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:14,902 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:14,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:14,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:14,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:14,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:15,163 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point L779-1(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,164 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,165 INFO L270 CegarLoopResult]: At program point L218(lines 211 221) the Hoare annotation is: false [2020-10-20 01:42:15,165 INFO L270 CegarLoopResult]: At program point L218-1(lines 211 221) the Hoare annotation is: false [2020-10-20 01:42:15,165 INFO L270 CegarLoopResult]: At program point L218-2(lines 211 221) the Hoare annotation is: false [2020-10-20 01:42:15,166 INFO L274 CegarLoopResult]: For program point L879(lines 879 896) no Hoare annotation was computed. [2020-10-20 01:42:15,166 INFO L270 CegarLoopResult]: At program point L879-1(lines 1 899) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,166 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 896) no Hoare annotation was computed. [2020-10-20 01:42:15,166 INFO L270 CegarLoopResult]: At program point L879-3(lines 1 899) the Hoare annotation is: false [2020-10-20 01:42:15,166 INFO L274 CegarLoopResult]: For program point L879-4(lines 879 896) no Hoare annotation was computed. [2020-10-20 01:42:15,167 INFO L270 CegarLoopResult]: At program point L879-5(lines 1 899) the Hoare annotation is: false [2020-10-20 01:42:15,167 INFO L270 CegarLoopResult]: At program point L384(lines 379 387) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,167 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:42:15,167 INFO L274 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:42:15,168 INFO L274 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2020-10-20 01:42:15,168 INFO L274 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-10-20 01:42:15,168 INFO L277 CegarLoopResult]: At program point L848-1(lines 848 855) the Hoare annotation is: true [2020-10-20 01:42:15,168 INFO L274 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-10-20 01:42:15,169 INFO L270 CegarLoopResult]: At program point L304-1(lines 304 310) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,169 INFO L274 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2020-10-20 01:42:15,169 INFO L270 CegarLoopResult]: At program point L271-1(lines 271 277) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,169 INFO L274 CegarLoopResult]: For program point L883(lines 883 893) no Hoare annotation was computed. [2020-10-20 01:42:15,170 INFO L274 CegarLoopResult]: For program point L883-2(lines 883 893) no Hoare annotation was computed. [2020-10-20 01:42:15,170 INFO L274 CegarLoopResult]: For program point L883-4(lines 883 893) no Hoare annotation was computed. [2020-10-20 01:42:15,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,170 INFO L270 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: false [2020-10-20 01:42:15,170 INFO L270 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,171 INFO L270 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2020-10-20 01:42:15,171 INFO L270 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2020-10-20 01:42:15,171 INFO L270 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2020-10-20 01:42:15,171 INFO L270 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2020-10-20 01:42:15,172 INFO L274 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-10-20 01:42:15,172 INFO L274 CegarLoopResult]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2020-10-20 01:42:15,172 INFO L274 CegarLoopResult]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2020-10-20 01:42:15,172 INFO L274 CegarLoopResult]: For program point L174(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:15,173 INFO L274 CegarLoopResult]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:15,173 INFO L274 CegarLoopResult]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2020-10-20 01:42:15,173 INFO L270 CegarLoopResult]: At program point L868(lines 863 870) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,173 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,174 INFO L270 CegarLoopResult]: At program point L142(lines 141 160) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,174 INFO L274 CegarLoopResult]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2020-10-20 01:42:15,174 INFO L270 CegarLoopResult]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2020-10-20 01:42:15,174 INFO L270 CegarLoopResult]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2020-10-20 01:42:15,175 INFO L274 CegarLoopResult]: For program point L324(lines 324 337) no Hoare annotation was computed. [2020-10-20 01:42:15,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,175 INFO L270 CegarLoopResult]: At program point L342(lines 293 343) the Hoare annotation is: false [2020-10-20 01:42:15,175 INFO L274 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2020-10-20 01:42:15,175 INFO L270 CegarLoopResult]: At program point L227(lines 222 230) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,176 INFO L270 CegarLoopResult]: At program point L227-1(lines 222 230) the Hoare annotation is: false [2020-10-20 01:42:15,176 INFO L270 CegarLoopResult]: At program point L227-2(lines 222 230) the Hoare annotation is: false [2020-10-20 01:42:15,176 INFO L270 CegarLoopResult]: At program point L376(lines 1 899) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,176 INFO L274 CegarLoopResult]: For program point L178(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:15,177 INFO L274 CegarLoopResult]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:15,177 INFO L274 CegarLoopResult]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2020-10-20 01:42:15,177 INFO L274 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-10-20 01:42:15,177 INFO L274 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-10-20 01:42:15,177 INFO L274 CegarLoopResult]: For program point L393-2(line 393) no Hoare annotation was computed. [2020-10-20 01:42:15,178 INFO L270 CegarLoopResult]: At program point L823(lines 819 825) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:42:15,178 INFO L274 CegarLoopResult]: For program point L295(lines 294 341) no Hoare annotation was computed. [2020-10-20 01:42:15,178 INFO L277 CegarLoopResult]: At program point L857(lines 838 860) the Hoare annotation is: true [2020-10-20 01:42:15,178 INFO L274 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-10-20 01:42:15,179 INFO L270 CegarLoopResult]: At program point L775-2(lines 775 789) the Hoare annotation is: false [2020-10-20 01:42:15,179 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:15,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:15,179 INFO L274 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-10-20 01:42:15,179 INFO L270 CegarLoopResult]: At program point L330-1(lines 142 148) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,180 INFO L274 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-10-20 01:42:15,180 INFO L274 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-10-20 01:42:15,180 INFO L274 CegarLoopResult]: For program point L314(lines 314 320) no Hoare annotation was computed. [2020-10-20 01:42:15,180 INFO L270 CegarLoopResult]: At program point L314-1(lines 314 320) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,181 INFO L270 CegarLoopResult]: At program point L149(lines 149 155) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:42:15,181 INFO L270 CegarLoopResult]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2020-10-20 01:42:15,181 INFO L270 CegarLoopResult]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2020-10-20 01:42:15,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:15 BoogieIcfgContainer [2020-10-20 01:42:15,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:15,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:15,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:15,204 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:15,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:13" (3/4) ... [2020-10-20 01:42:15,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:15,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:15,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:15,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:15,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:15,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:15,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:15,270 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:42:15,334 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:15,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:15,338 INFO L168 Benchmark]: Toolchain (without parser) took 3424.34 ms. Allocated memory was 35.7 MB in the beginning and 61.9 MB in the end (delta: 26.2 MB). Free memory was 8.8 MB in the beginning and 22.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,338 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 35.7 MB. Free memory is still 14.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:42:15,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.32 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 7.9 MB in the beginning and 17.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.08 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 17.9 MB in the beginning and 27.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,340 INFO L168 Benchmark]: Boogie Preprocessor took 40.06 ms. Allocated memory is still 46.7 MB. Free memory was 27.5 MB in the beginning and 25.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,341 INFO L168 Benchmark]: RCFGBuilder took 899.27 ms. Allocated memory was 46.7 MB in the beginning and 50.3 MB in the end (delta: 3.7 MB). Free memory was 25.0 MB in the beginning and 31.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,341 INFO L168 Benchmark]: TraceAbstraction took 1632.53 ms. Allocated memory was 50.3 MB in the beginning and 61.9 MB in the end (delta: 11.5 MB). Free memory was 31.2 MB in the beginning and 30.7 MB in the end (delta: 493.8 kB). Peak memory consumption was 28.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,342 INFO L168 Benchmark]: Witness Printer took 131.84 ms. Allocated memory is still 61.9 MB. Free memory was 30.7 MB in the beginning and 22.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:15,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 35.7 MB. Free memory is still 14.8 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 629.32 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 7.9 MB in the beginning and 17.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.08 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 17.9 MB in the beginning and 27.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.06 ms. Allocated memory is still 46.7 MB. Free memory was 27.5 MB in the beginning and 25.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 899.27 ms. Allocated memory was 46.7 MB in the beginning and 50.3 MB in the end (delta: 3.7 MB). Free memory was 25.0 MB in the beginning and 31.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1632.53 ms. Allocated memory was 50.3 MB in the beginning and 61.9 MB in the end (delta: 11.5 MB). Free memory was 31.2 MB in the beginning and 30.7 MB in the end (delta: 493.8 kB). Peak memory consumption was 28.5 MB. Max. memory is 14.3 GB. * Witness Printer took 131.84 ms. Allocated memory is still 61.9 MB. Free memory was 30.7 MB in the beginning and 22.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 863]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 293 SDslu, 328 SDs, 0 SdLazy, 65 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 114 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...