./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product25.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_spec1_product25.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 510d78afd0ed540d6db513c55234784145c65178 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:41:29,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:29,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:29,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:29,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:29,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:29,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:29,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:29,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:29,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:29,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:29,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:29,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:29,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:29,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:29,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:29,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:29,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:29,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:29,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:29,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:29,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:29,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:29,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:29,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:29,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:29,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:29,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:29,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:29,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:29,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:29,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:29,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:29,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:29,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:29,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:29,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:29,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:29,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:29,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:29,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:29,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:29,719 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:29,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:29,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:29,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:29,721 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:29,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:29,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:29,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:29,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:29,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:29,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:29,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:29,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:29,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:29,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:29,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:29,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:29,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:29,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:29,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:29,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:29,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:29,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:29,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:29,726 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 -> 510d78afd0ed540d6db513c55234784145c65178 [2020-10-20 01:41:29,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:29,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:29,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:29,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:29,952 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:29,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2020-10-20 01:41:30,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36751f195/d4ad7fc2e89e48578de42108a36899c3/FLAG5e68be295 [2020-10-20 01:41:30,468 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:30,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2020-10-20 01:41:30,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36751f195/d4ad7fc2e89e48578de42108a36899c3/FLAG5e68be295 [2020-10-20 01:41:30,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36751f195/d4ad7fc2e89e48578de42108a36899c3 [2020-10-20 01:41:30,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:30,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:30,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:30,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:30,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:30,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433ee248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:30, skipping insertion in model container [2020-10-20 01:41:30,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:30" (1/1) ... [2020-10-20 01:41:30,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:30,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:31,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:31,451 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:31,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:31,554 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:31,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31 WrapperNode [2020-10-20 01:41:31,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:31,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:31,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:31,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:31,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:31,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:31,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:31,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:31,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (1/1) ... [2020-10-20 01:41:31,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:31,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:31,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:31,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:31,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (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 01:41:31,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:31,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:31,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:32,639 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:32,639 INFO L298 CfgBuilder]: Removed 102 assume(true) statements. [2020-10-20 01:41:32,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32 BoogieIcfgContainer [2020-10-20 01:41:32,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:32,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:32,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:32,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:32,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:30" (1/3) ... [2020-10-20 01:41:32,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d07b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:32, skipping insertion in model container [2020-10-20 01:41:32,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:31" (2/3) ... [2020-10-20 01:41:32,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d07b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:32, skipping insertion in model container [2020-10-20 01:41:32,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32" (3/3) ... [2020-10-20 01:41:32,651 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2020-10-20 01:41:32,664 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:32,672 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:32,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:32,721 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:32,721 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:32,722 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:32,722 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:32,722 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:32,722 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:32,723 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:32,723 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:41:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:32,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:32,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:32,747 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:32,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:32,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1009828906, now seen corresponding path program 1 times [2020-10-20 01:41:32,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:32,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528364812] [2020-10-20 01:41:32,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,048 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 01:41:33,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528364812] [2020-10-20 01:41:33,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:33,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810379436] [2020-10-20 01:41:33,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:33,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:33,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:33,074 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:41:33,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,106 INFO L93 Difference]: Finished difference Result 147 states and 218 transitions. [2020-10-20 01:41:33,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:33,107 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:33,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,120 INFO L225 Difference]: With dead ends: 147 [2020-10-20 01:41:33,120 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:41:33,124 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 01:41:33,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:41:33,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:41:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:41:33,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2020-10-20 01:41:33,200 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2020-10-20 01:41:33,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,200 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2020-10-20 01:41:33,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:33,201 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-10-20 01:41:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:33,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:33,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:33,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,203 INFO L82 PathProgramCache]: Analyzing trace with hash -36927991, now seen corresponding path program 1 times [2020-10-20 01:41:33,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682518883] [2020-10-20 01:41:33,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,312 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 01:41:33,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682518883] [2020-10-20 01:41:33,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:33,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612650976] [2020-10-20 01:41:33,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:33,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:33,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:33,320 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2020-10-20 01:41:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,333 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2020-10-20 01:41:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:33,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:33,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,337 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:41:33,338 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:33,339 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 01:41:33,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:41:33,344 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-20 01:41:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,345 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:41:33,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:41:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:33,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,346 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] [2020-10-20 01:41:33,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:33,346 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,347 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2020-10-20 01:41:33,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202395401] [2020-10-20 01:41:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,416 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 01:41:33,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202395401] [2020-10-20 01:41:33,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:33,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414740732] [2020-10-20 01:41:33,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:33,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:33,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:33,419 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2020-10-20 01:41:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,431 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2020-10-20 01:41:33,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:33,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:41:33,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,436 INFO L225 Difference]: With dead ends: 60 [2020-10-20 01:41:33,437 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:33,437 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 01:41:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:33,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:33,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-20 01:41:33,443 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2020-10-20 01:41:33,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,444 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-20 01:41:33,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-20 01:41:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:33,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,446 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] [2020-10-20 01:41:33,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:33,447 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2020-10-20 01:41:33,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235906597] [2020-10-20 01:41:33,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,563 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 01:41:33,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235906597] [2020-10-20 01:41:33,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:33,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264955327] [2020-10-20 01:41:33,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:33,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:33,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:33,568 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-20 01:41:33,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,656 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2020-10-20 01:41:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:33,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:33,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,658 INFO L225 Difference]: With dead ends: 151 [2020-10-20 01:41:33,658 INFO L226 Difference]: Without dead ends: 124 [2020-10-20 01:41:33,659 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 01:41:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-20 01:41:33,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2020-10-20 01:41:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-20 01:41:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2020-10-20 01:41:33,671 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2020-10-20 01:41:33,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,671 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2020-10-20 01:41:33,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2020-10-20 01:41:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:33,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:33,673 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] [2020-10-20 01:41:33,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:33,673 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:33,674 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2020-10-20 01:41:33,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:33,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063085723] [2020-10-20 01:41:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:33,748 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 01:41:33,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063085723] [2020-10-20 01:41:33,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:33,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:33,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226474302] [2020-10-20 01:41:33,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:33,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:33,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:33,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:33,751 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2020-10-20 01:41:33,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:33,805 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2020-10-20 01:41:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:33,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:33,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:33,806 INFO L225 Difference]: With dead ends: 148 [2020-10-20 01:41:33,806 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:33,808 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 01:41:33,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:33,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:33,809 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:41:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:33,809 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:33,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:33,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:33,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:33,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:34,038 INFO L270 CegarLoopResult]: At program point L382(lines 367 385) the Hoare annotation is: false [2020-10-20 01:41:34,039 INFO L270 CegarLoopResult]: At program point L382-1(lines 367 385) the Hoare annotation is: false [2020-10-20 01:41:34,039 INFO L270 CegarLoopResult]: At program point L382-2(lines 367 385) the Hoare annotation is: false [2020-10-20 01:41:34,039 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,039 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-20 01:41:34,039 INFO L274 CegarLoopResult]: For program point L399(lines 398 443) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-10-20 01:41:34,040 INFO L274 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,041 INFO L270 CegarLoopResult]: At program point L186-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,041 INFO L274 CegarLoopResult]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,041 INFO L270 CegarLoopResult]: At program point L186-3(lines 1 913) the Hoare annotation is: false [2020-10-20 01:41:34,041 INFO L274 CegarLoopResult]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2020-10-20 01:41:34,041 INFO L270 CegarLoopResult]: At program point L186-5(lines 1 913) the Hoare annotation is: false [2020-10-20 01:41:34,041 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-10-20 01:41:34,041 INFO L274 CegarLoopResult]: For program point L434-2(lines 224 230) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L270 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L468-1(lines 224 230) no Hoare annotation was computed. [2020-10-20 01:41:34,042 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-10-20 01:41:34,043 INFO L270 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,043 INFO L274 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2020-10-20 01:41:34,043 INFO L277 CegarLoopResult]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2020-10-20 01:41:34,043 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,043 INFO L274 CegarLoopResult]: For program point L256(lines 256 273) no Hoare annotation was computed. [2020-10-20 01:41:34,043 INFO L274 CegarLoopResult]: For program point L256-1(lines 256 273) no Hoare annotation was computed. [2020-10-20 01:41:34,044 INFO L274 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,044 INFO L274 CegarLoopResult]: For program point L256-2(lines 256 273) no Hoare annotation was computed. [2020-10-20 01:41:34,044 INFO L274 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,044 INFO L274 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2020-10-20 01:41:34,044 INFO L270 CegarLoopResult]: At program point L224(lines 223 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,044 INFO L274 CegarLoopResult]: For program point L224-1(lines 224 230) no Hoare annotation was computed. [2020-10-20 01:41:34,045 INFO L270 CegarLoopResult]: At program point L224-2(lines 223 242) the Hoare annotation is: false [2020-10-20 01:41:34,045 INFO L270 CegarLoopResult]: At program point L224-3(lines 223 242) the Hoare annotation is: false [2020-10-20 01:41:34,045 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,045 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-10-20 01:41:34,045 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-10-20 01:41:34,045 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point L208-2(line 208) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-10-20 01:41:34,046 INFO L270 CegarLoopResult]: At program point L408-1(lines 408 414) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,046 INFO L274 CegarLoopResult]: For program point L260(lines 260 268) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L260-1(lines 260 268) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376-5(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,047 INFO L274 CegarLoopResult]: For program point L376-8(lines 376 380) no Hoare annotation was computed. [2020-10-20 01:41:34,048 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-10-20 01:41:34,048 INFO L270 CegarLoopResult]: At program point L327(lines 322 330) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,048 INFO L270 CegarLoopResult]: At program point L327-1(lines 322 330) the Hoare annotation is: false [2020-10-20 01:41:34,048 INFO L270 CegarLoopResult]: At program point L327-2(lines 322 330) the Hoare annotation is: false [2020-10-20 01:41:34,048 INFO L270 CegarLoopResult]: At program point L163(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,048 INFO L270 CegarLoopResult]: At program point L444(lines 397 445) the Hoare annotation is: false [2020-10-20 01:41:34,049 INFO L274 CegarLoopResult]: For program point L428(lines 428 439) no Hoare annotation was computed. [2020-10-20 01:41:34,049 INFO L277 CegarLoopResult]: At program point L544(lines 525 547) the Hoare annotation is: true [2020-10-20 01:41:34,049 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:34,049 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:34,049 INFO L270 CegarLoopResult]: At program point L231(lines 231 237) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L231-1(lines 231 237) the Hoare annotation is: false [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L231-2(lines 231 237) the Hoare annotation is: false [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L512(lines 508 514) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2020-10-20 01:41:34,050 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-10-20 01:41:34,050 INFO L270 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2020-10-20 01:41:34,051 INFO L270 CegarLoopResult]: At program point L464-2(lines 464 478) the Hoare annotation is: false [2020-10-20 01:41:34,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:34 BoogieIcfgContainer [2020-10-20 01:41:34,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:34,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:34,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:34,072 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:34,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:32" (3/4) ... [2020-10-20 01:41:34,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:34,094 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:34,095 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:34,095 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:34,096 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:34,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:34,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:34,098 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:34,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-10-20 01:41:34,207 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:34,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:34,210 INFO L168 Benchmark]: Toolchain (without parser) took 3429.26 ms. Allocated memory was 35.1 MB in the beginning and 62.4 MB in the end (delta: 27.3 MB). Free memory was 6.3 MB in the beginning and 38.5 MB in the end (delta: -32.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,211 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 35.1 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.38 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.6 MB in the beginning and 17.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.28 ms. Allocated memory was 46.1 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 28.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,212 INFO L168 Benchmark]: Boogie Preprocessor took 40.81 ms. Allocated memory is still 47.7 MB. Free memory was 28.4 MB in the beginning and 26.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,213 INFO L168 Benchmark]: RCFGBuilder took 962.86 ms. Allocated memory was 47.7 MB in the beginning and 50.3 MB in the end (delta: 2.6 MB). Free memory was 26.1 MB in the beginning and 13.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,213 INFO L168 Benchmark]: TraceAbstraction took 1428.41 ms. Allocated memory was 50.3 MB in the beginning and 58.2 MB in the end (delta: 7.9 MB). Free memory was 13.2 MB in the beginning and 15.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,214 INFO L168 Benchmark]: Witness Printer took 136.09 ms. Allocated memory was 58.2 MB in the beginning and 62.4 MB in the end (delta: 4.2 MB). Free memory was 15.4 MB in the beginning and 38.5 MB in the end (delta: -23.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:34,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 35.1 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 52.8 kB). Peak memory consumption was 52.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 752.38 ms. Allocated memory was 38.3 MB in the beginning and 46.1 MB in the end (delta: 7.9 MB). Free memory was 19.6 MB in the beginning and 17.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 82.28 ms. Allocated memory was 46.1 MB in the beginning and 47.7 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 28.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 40.81 ms. Allocated memory is still 47.7 MB. Free memory was 28.4 MB in the beginning and 26.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 962.86 ms. Allocated memory was 47.7 MB in the beginning and 50.3 MB in the end (delta: 2.6 MB). Free memory was 26.1 MB in the beginning and 13.6 MB in the end (delta: 12.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1428.41 ms. Allocated memory was 50.3 MB in the beginning and 58.2 MB in the end (delta: 7.9 MB). Free memory was 13.2 MB in the beginning and 15.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * Witness Printer took 136.09 ms. Allocated memory was 58.2 MB in the beginning and 62.4 MB in the end (delta: 4.2 MB). Free memory was 15.4 MB in the beginning and 38.5 MB in the end (delta: -23.1 MB). Peak memory consumption was 5.2 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: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 299 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=78occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1021 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 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...