./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f25a9f8800d2b9b6ef21419533be8e4411f52f7f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:54,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:54,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:54,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:54,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:54,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:54,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:54,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:54,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:54,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:54,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:54,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:54,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:54,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:54,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:54,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:54,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:54,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:54,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:54,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:54,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:54,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:54,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:54,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:54,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:54,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:54,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:54,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:54,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:54,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:54,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:54,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:54,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:54,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:54,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:54,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:54,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:54,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:54,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:54,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:54,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:54,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:54,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:54,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:54,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:54,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:54,637 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:54,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:54,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:54,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:54,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:54,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:54,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:54,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:54,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:54,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:54,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:54,639 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:54,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:54,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:54,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:54,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:54,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:54,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:54,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:54,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:54,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:54,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:54,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:54,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:54,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2019-11-28 00:21:54,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:54,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:54,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:54,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:54,987 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:54,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-11-28 00:21:55,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4496505a/2058dfd21fe147a3aa963fe2d229d3c4/FLAG8679f1bcc [2019-11-28 00:21:55,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:55,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-11-28 00:21:55,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4496505a/2058dfd21fe147a3aa963fe2d229d3c4/FLAG8679f1bcc [2019-11-28 00:21:55,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4496505a/2058dfd21fe147a3aa963fe2d229d3c4 [2019-11-28 00:21:55,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:55,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:55,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:55,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:55,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:55,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7dcd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:55, skipping insertion in model container [2019-11-28 00:21:55,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:55" (1/1) ... [2019-11-28 00:21:55,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:56,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:56,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:56,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:56,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:56,660 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:56,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56 WrapperNode [2019-11-28 00:21:56,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:56,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:56,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:56,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:56,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:56,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:56,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:56,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:56,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... [2019-11-28 00:21:56,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:56,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:56,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:56,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:56,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:56,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:56,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:57,648 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:57,648 INFO L297 CfgBuilder]: Removed 120 assume(true) statements. [2019-11-28 00:21:57,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57 BoogieIcfgContainer [2019-11-28 00:21:57,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:57,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:57,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:57,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:57,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:55" (1/3) ... [2019-11-28 00:21:57,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fadff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:57, skipping insertion in model container [2019-11-28 00:21:57,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:56" (2/3) ... [2019-11-28 00:21:57,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38fadff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:57, skipping insertion in model container [2019-11-28 00:21:57,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57" (3/3) ... [2019-11-28 00:21:57,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-11-28 00:21:57,670 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:57,678 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:57,690 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:57,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:57,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:57,719 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:57,719 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:57,719 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:57,719 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:57,719 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:57,720 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-11-28 00:21:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:57,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:57,747 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:57,748 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:57,754 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2019-11-28 00:21:57,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:57,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192275913] [2019-11-28 00:21:57,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192275913] [2019-11-28 00:21:58,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:58,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386276283] [2019-11-28 00:21:58,077 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:58,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:58,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:58,092 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2019-11-28 00:21:58,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,125 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2019-11-28 00:21:58,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:58,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:58,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,138 INFO L225 Difference]: With dead ends: 180 [2019-11-28 00:21:58,139 INFO L226 Difference]: Without dead ends: 89 [2019-11-28 00:21:58,143 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-11-28 00:21:58,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-11-28 00:21:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-11-28 00:21:58,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-11-28 00:21:58,189 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2019-11-28 00:21:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,190 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-11-28 00:21:58,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2019-11-28 00:21:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:58,191 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,192 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,192 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2019-11-28 00:21:58,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746724511] [2019-11-28 00:21:58,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,292 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746724511] [2019-11-28 00:21:58,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:58,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868506491] [2019-11-28 00:21:58,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:58,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:58,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,296 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2019-11-28 00:21:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,310 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-11-28 00:21:58,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:58,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:58,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,313 INFO L225 Difference]: With dead ends: 89 [2019-11-28 00:21:58,314 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 00:21:58,315 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 00:21:58,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 00:21:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 00:21:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-11-28 00:21:58,329 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2019-11-28 00:21:58,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,330 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-11-28 00:21:58,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-11-28 00:21:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:58,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,332 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,332 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,333 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2019-11-28 00:21:58,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693588846] [2019-11-28 00:21:58,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693588846] [2019-11-28 00:21:58,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:58,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821528265] [2019-11-28 00:21:58,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:58,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:58,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,489 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2019-11-28 00:21:58,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,502 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2019-11-28 00:21:58,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:58,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:58,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,505 INFO L225 Difference]: With dead ends: 72 [2019-11-28 00:21:58,506 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 00:21:58,507 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 00:21:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-28 00:21:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-28 00:21:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-11-28 00:21:58,517 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2019-11-28 00:21:58,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,518 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-11-28 00:21:58,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-11-28 00:21:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:21:58,527 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,527 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,528 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2019-11-28 00:21:58,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644284114] [2019-11-28 00:21:58,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644284114] [2019-11-28 00:21:58,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:58,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249158385] [2019-11-28 00:21:58,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:58,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:58,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,633 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2019-11-28 00:21:58,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:58,684 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2019-11-28 00:21:58,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:58,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 00:21:58,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:58,685 INFO L225 Difference]: With dead ends: 95 [2019-11-28 00:21:58,686 INFO L226 Difference]: Without dead ends: 62 [2019-11-28 00:21:58,686 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:58,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-11-28 00:21:58,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-11-28 00:21:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:21:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2019-11-28 00:21:58,703 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2019-11-28 00:21:58,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:58,704 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2019-11-28 00:21:58,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-11-28 00:21:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 00:21:58,707 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:58,708 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:58,708 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:58,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:58,708 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2019-11-28 00:21:58,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:58,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049470815] [2019-11-28 00:21:58,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:58,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049470815] [2019-11-28 00:21:58,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:58,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:58,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828313193] [2019-11-28 00:21:58,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:58,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:58,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:58,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:58,833 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2019-11-28 00:21:59,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,020 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2019-11-28 00:21:59,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:59,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 00:21:59,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,023 INFO L225 Difference]: With dead ends: 314 [2019-11-28 00:21:59,024 INFO L226 Difference]: Without dead ends: 260 [2019-11-28 00:21:59,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:59,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-11-28 00:21:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-11-28 00:21:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-28 00:21:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2019-11-28 00:21:59,045 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2019-11-28 00:21:59,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,046 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2019-11-28 00:21:59,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2019-11-28 00:21:59,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:59,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:59,049 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2019-11-28 00:21:59,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114871623] [2019-11-28 00:21:59,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:59,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114871623] [2019-11-28 00:21:59,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:59,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463703401] [2019-11-28 00:21:59,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:59,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:59,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:59,133 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 5 states. [2019-11-28 00:21:59,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,312 INFO L93 Difference]: Finished difference Result 499 states and 716 transitions. [2019-11-28 00:21:59,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:59,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:59,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,316 INFO L225 Difference]: With dead ends: 499 [2019-11-28 00:21:59,317 INFO L226 Difference]: Without dead ends: 445 [2019-11-28 00:21:59,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:59,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-28 00:21:59,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 152. [2019-11-28 00:21:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 00:21:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 210 transitions. [2019-11-28 00:21:59,361 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 210 transitions. Word has length 32 [2019-11-28 00:21:59,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,362 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 210 transitions. [2019-11-28 00:21:59,362 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2019-11-28 00:21:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:59,370 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,370 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:59,373 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2019-11-28 00:21:59,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397925798] [2019-11-28 00:21:59,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:59,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397925798] [2019-11-28 00:21:59,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:59,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102766364] [2019-11-28 00:21:59,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 00:21:59,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 00:21:59,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 00:21:59,437 INFO L87 Difference]: Start difference. First operand 152 states and 210 transitions. Second operand 4 states. [2019-11-28 00:21:59,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,498 INFO L93 Difference]: Finished difference Result 428 states and 599 transitions. [2019-11-28 00:21:59,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:59,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-11-28 00:21:59,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,501 INFO L225 Difference]: With dead ends: 428 [2019-11-28 00:21:59,501 INFO L226 Difference]: Without dead ends: 326 [2019-11-28 00:21:59,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:59,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-11-28 00:21:59,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2019-11-28 00:21:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-11-28 00:21:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 209 transitions. [2019-11-28 00:21:59,520 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 209 transitions. Word has length 32 [2019-11-28 00:21:59,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,520 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 209 transitions. [2019-11-28 00:21:59,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 00:21:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2019-11-28 00:21:59,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:59,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,522 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:59,522 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,522 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2019-11-28 00:21:59,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581427681] [2019-11-28 00:21:59,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:59,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581427681] [2019-11-28 00:21:59,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:59,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913079836] [2019-11-28 00:21:59,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:59,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:59,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:59,590 INFO L87 Difference]: Start difference. First operand 152 states and 209 transitions. Second operand 6 states. [2019-11-28 00:21:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:59,695 INFO L93 Difference]: Finished difference Result 532 states and 741 transitions. [2019-11-28 00:21:59,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:59,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-28 00:21:59,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:59,698 INFO L225 Difference]: With dead ends: 532 [2019-11-28 00:21:59,698 INFO L226 Difference]: Without dead ends: 386 [2019-11-28 00:21:59,699 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:21:59,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-11-28 00:21:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 158. [2019-11-28 00:21:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-28 00:21:59,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2019-11-28 00:21:59,716 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 32 [2019-11-28 00:21:59,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:59,717 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2019-11-28 00:21:59,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:59,717 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2019-11-28 00:21:59,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:21:59,718 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:59,718 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:59,718 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:59,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:59,719 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2019-11-28 00:21:59,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:59,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671548105] [2019-11-28 00:21:59,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:59,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671548105] [2019-11-28 00:21:59,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:59,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:59,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981038597] [2019-11-28 00:21:59,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:59,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:59,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:59,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:59,845 INFO L87 Difference]: Start difference. First operand 158 states and 214 transitions. Second operand 6 states. [2019-11-28 00:22:00,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,216 INFO L93 Difference]: Finished difference Result 1169 states and 1572 transitions. [2019-11-28 00:22:00,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-28 00:22:00,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:22:00,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,222 INFO L225 Difference]: With dead ends: 1169 [2019-11-28 00:22:00,222 INFO L226 Difference]: Without dead ends: 1017 [2019-11-28 00:22:00,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 00:22:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-11-28 00:22:00,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 296. [2019-11-28 00:22:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-28 00:22:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2019-11-28 00:22:00,262 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 35 [2019-11-28 00:22:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,262 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2019-11-28 00:22:00,262 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2019-11-28 00:22:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 00:22:00,263 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,263 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:00,264 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2019-11-28 00:22:00,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,264 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691852826] [2019-11-28 00:22:00,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:00,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691852826] [2019-11-28 00:22:00,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:22:00,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274210710] [2019-11-28 00:22:00,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:22:00,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:22:00,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:22:00,333 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand 6 states. [2019-11-28 00:22:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,526 INFO L93 Difference]: Finished difference Result 771 states and 1042 transitions. [2019-11-28 00:22:00,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:22:00,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 00:22:00,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,528 INFO L225 Difference]: With dead ends: 771 [2019-11-28 00:22:00,529 INFO L226 Difference]: Without dead ends: 207 [2019-11-28 00:22:00,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:22:00,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-11-28 00:22:00,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 97. [2019-11-28 00:22:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-28 00:22:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2019-11-28 00:22:00,544 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2019-11-28 00:22:00,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,545 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2019-11-28 00:22:00,545 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:22:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2019-11-28 00:22:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-28 00:22:00,546 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:00,546 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:00,546 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:00,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:00,547 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2019-11-28 00:22:00,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:00,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462771256] [2019-11-28 00:22:00,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:22:00,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462771256] [2019-11-28 00:22:00,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:00,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:22:00,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900404252] [2019-11-28 00:22:00,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 00:22:00,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:00,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 00:22:00,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:00,618 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 7 states. [2019-11-28 00:22:00,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:00,867 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2019-11-28 00:22:00,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:22:00,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-11-28 00:22:00,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:00,868 INFO L225 Difference]: With dead ends: 281 [2019-11-28 00:22:00,868 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:00,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-11-28 00:22:00,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:00,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:00,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-11-28 00:22:00,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:00,871 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:00,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 00:22:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:00,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:00,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:01,415 WARN L192 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2019-11-28 00:22:01,608 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 138 [2019-11-28 00:22:01,996 WARN L192 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 145 [2019-11-28 00:22:02,179 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2019-11-28 00:22:02,544 WARN L192 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 158 [2019-11-28 00:22:03,048 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 177 [2019-11-28 00:22:03,431 WARN L192 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 165 [2019-11-28 00:22:04,548 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2019-11-28 00:22:05,278 WARN L192 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2019-11-28 00:22:05,639 WARN L192 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2019-11-28 00:22:06,303 WARN L192 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 29 [2019-11-28 00:22:06,938 WARN L192 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 24 [2019-11-28 00:22:08,255 WARN L192 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 153 DAG size of output: 32 [2019-11-28 00:22:08,645 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2019-11-28 00:22:08,764 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2019-11-28 00:22:09,866 WARN L192 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2019-11-28 00:22:10,264 WARN L192 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2019-11-28 00:22:11,213 WARN L192 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-11-28 00:22:11,220 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,220 INFO L242 CegarLoopResult]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) .cse0 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse3 .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse0 .cse4 .cse3 .cse2 .cse1) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse4 .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)))) [2019-11-28 00:22:11,220 INFO L242 CegarLoopResult]: At program point L102-1(lines 102 108) the Hoare annotation is: false [2019-11-28 00:22:11,221 INFO L242 CegarLoopResult]: At program point L102-2(lines 102 108) the Hoare annotation is: false [2019-11-28 00:22:11,221 INFO L242 CegarLoopResult]: At program point L515(lines 511 517) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 00:22:11,221 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:11,221 INFO L242 CegarLoopResult]: At program point L317(lines 270 318) the Hoare annotation is: false [2019-11-28 00:22:11,222 INFO L246 CegarLoopResult]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-11-28 00:22:11,222 INFO L242 CegarLoopResult]: At program point L450(lines 441 454) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse4 .cse6))) [2019-11-28 00:22:11,222 INFO L242 CegarLoopResult]: At program point L450-1(lines 441 454) the Hoare annotation is: false [2019-11-28 00:22:11,222 INFO L242 CegarLoopResult]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2019-11-28 00:22:11,222 INFO L242 CegarLoopResult]: At program point L467-2(lines 467 481) the Hoare annotation is: false [2019-11-28 00:22:11,222 INFO L246 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:11,222 INFO L246 CegarLoopResult]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:11,222 INFO L246 CegarLoopResult]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-11-28 00:22:11,223 INFO L242 CegarLoopResult]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse7 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse2 (= 1 ~systemActive~0)) (.cse9 (<= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse2 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse5 .cse6 .cse7 .cse10) (and .cse2 .cse9 .cse8 .cse5 .cse6 .cse10))) [2019-11-28 00:22:11,223 INFO L242 CegarLoopResult]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2019-11-28 00:22:11,223 INFO L242 CegarLoopResult]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2019-11-28 00:22:11,223 INFO L246 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2019-11-28 00:22:11,223 INFO L246 CegarLoopResult]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-11-28 00:22:11,223 INFO L246 CegarLoopResult]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2019-11-28 00:22:11,223 INFO L246 CegarLoopResult]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L189(lines 182 192) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse15 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse16 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse9 (= 1 ~systemActive~0)) (.cse1 (<= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse2 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0))) (.cse10 (<= ~methaneLevelCritical~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse4 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse11 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse9 .cse2 .cse14 .cse15 .cse12 .cse16 .cse13) (and .cse8 .cse0 .cse9 .cse2 .cse3 .cse15 .cse12 .cse16 .cse13 .cse6) (and .cse9 .cse1 .cse2 .cse10 .cse14 .cse4 .cse5 .cse11 .cse12 .cse13 .cse7))) [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L189-1(lines 182 192) the Hoare annotation is: false [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L189-2(lines 182 192) the Hoare annotation is: false [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)))) [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-11-28 00:22:11,224 INFO L242 CegarLoopResult]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-11-28 00:22:11,225 INFO L246 CegarLoopResult]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-11-28 00:22:11,225 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:11,225 INFO L246 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-11-28 00:22:11,225 INFO L246 CegarLoopResult]: For program point L471-1(lines 95 101) no Hoare annotation was computed. [2019-11-28 00:22:11,225 INFO L242 CegarLoopResult]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse9 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0))) (.cse11 (<= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse12 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse14 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6 .cse10) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse11 .cse12 .cse13 .cse4 .cse6 .cse10 .cse14) (and .cse0 .cse1 .cse11 .cse2 .cse12 .cse13 .cse4 .cse6 .cse14))) [2019-11-28 00:22:11,225 INFO L242 CegarLoopResult]: At program point L405-1(lines 400 408) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse0 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) .cse0 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse3 .cse2 .cse4 .cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse0 .cse5 .cse3 .cse2 .cse4 .cse1) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse5 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)))) [2019-11-28 00:22:11,226 INFO L242 CegarLoopResult]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2019-11-28 00:22:11,226 INFO L242 CegarLoopResult]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2019-11-28 00:22:11,226 INFO L246 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-11-28 00:22:11,226 INFO L242 CegarLoopResult]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2019-11-28 00:22:11,226 INFO L242 CegarLoopResult]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2019-11-28 00:22:11,226 INFO L246 CegarLoopResult]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-11-28 00:22:11,226 INFO L249 CegarLoopResult]: At program point L538-1(lines 538 545) the Hoare annotation is: true [2019-11-28 00:22:11,227 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,227 INFO L246 CegarLoopResult]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-11-28 00:22:11,227 INFO L246 CegarLoopResult]: For program point L307-2(lines 95 101) no Hoare annotation was computed. [2019-11-28 00:22:11,227 INFO L246 CegarLoopResult]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-11-28 00:22:11,227 INFO L242 CegarLoopResult]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 .cse1))) [2019-11-28 00:22:11,227 INFO L246 CegarLoopResult]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-11-28 00:22:11,228 INFO L246 CegarLoopResult]: For program point L127-1(lines 127 144) no Hoare annotation was computed. [2019-11-28 00:22:11,228 INFO L246 CegarLoopResult]: For program point L127-2(lines 127 144) no Hoare annotation was computed. [2019-11-28 00:22:11,228 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:11,228 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-28 00:22:11,228 INFO L242 CegarLoopResult]: At program point L95(lines 94 113) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) .cse2 .cse1))) [2019-11-28 00:22:11,228 INFO L246 CegarLoopResult]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2019-11-28 00:22:11,229 INFO L242 CegarLoopResult]: At program point L95-2(lines 94 113) the Hoare annotation is: false [2019-11-28 00:22:11,229 INFO L242 CegarLoopResult]: At program point L95-3(lines 94 113) the Hoare annotation is: false [2019-11-28 00:22:11,229 INFO L246 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-11-28 00:22:11,229 INFO L242 CegarLoopResult]: At program point L343-1(lines 1 925) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse6 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4))) (.cse7 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) .cse0 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse5 .cse6 .cse2 .cse7 .cse3 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse3 (not .cse2)) (and .cse0 .cse8 .cse5 .cse6 .cse2 .cse7 .cse3) (and .cse0 .cse1 .cse8 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 .cse4))) [2019-11-28 00:22:11,229 INFO L246 CegarLoopResult]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2019-11-28 00:22:11,230 INFO L242 CegarLoopResult]: At program point L343-3(lines 1 925) the Hoare annotation is: false [2019-11-28 00:22:11,230 INFO L246 CegarLoopResult]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2019-11-28 00:22:11,230 INFO L242 CegarLoopResult]: At program point L343-5(lines 1 925) the Hoare annotation is: false [2019-11-28 00:22:11,230 INFO L246 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,230 INFO L246 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,230 INFO L246 CegarLoopResult]: For program point L922-2(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,230 INFO L246 CegarLoopResult]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 139) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L164-2(lines 164 170) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L242 CegarLoopResult]: At program point L65(lines 1 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 139) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L164-4(lines 164 170) no Hoare annotation was computed. [2019-11-28 00:22:11,231 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,232 INFO L246 CegarLoopResult]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,233 INFO L246 CegarLoopResult]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,233 INFO L246 CegarLoopResult]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,233 INFO L246 CegarLoopResult]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,233 INFO L246 CegarLoopResult]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2019-11-28 00:22:11,233 INFO L242 CegarLoopResult]: At program point L198(lines 193 201) the Hoare annotation is: (and (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-11-28 00:22:11,233 INFO L242 CegarLoopResult]: At program point L198-1(lines 193 201) the Hoare annotation is: false [2019-11-28 00:22:11,233 INFO L242 CegarLoopResult]: At program point L198-2(lines 193 201) the Hoare annotation is: false [2019-11-28 00:22:11,234 INFO L246 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-11-28 00:22:11,234 INFO L246 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-11-28 00:22:11,234 INFO L246 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-11-28 00:22:11,234 INFO L246 CegarLoopResult]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2019-11-28 00:22:11,234 INFO L242 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse2 .cse1 (<= 0 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) .cse2 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse1))) [2019-11-28 00:22:11,234 INFO L246 CegarLoopResult]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2019-11-28 00:22:11,235 INFO L249 CegarLoopResult]: At program point L547(lines 528 550) the Hoare annotation is: true [2019-11-28 00:22:11,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:11 BoogieIcfgContainer [2019-11-28 00:22:11,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:11,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:11,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:11,273 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:11,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:57" (3/4) ... [2019-11-28 00:22:11,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:11,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:11,297 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:11,298 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:11,299 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:11,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:11,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:11,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:11,333 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,334 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) [2019-11-28 00:22:11,335 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,337 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,338 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && !(\result == 2)) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,344 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-11-28 00:22:11,346 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && !(0 == tmp)) && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || ((((((((1 == systemActive && !(0 == tmp)) && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((0 == tmp && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && 0 <= \result) && 0 <= \result) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == tmp)) && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((((((1 == systemActive && \result <= 0) && !(0 == tmp)) && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-11-28 00:22:11,450 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:11,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:11,452 INFO L168 Benchmark]: Toolchain (without parser) took 15475.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 406.3 MB). Free memory was 961.7 MB in the beginning and 886.9 MB in the end (delta: 74.8 MB). Peak memory consumption was 481.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,452 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:11,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,454 INFO L168 Benchmark]: Boogie Preprocessor took 42.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:22:11,455 INFO L168 Benchmark]: RCFGBuilder took 868.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,455 INFO L168 Benchmark]: TraceAbstraction took 13621.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 162.9 MB). Peak memory consumption was 426.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,455 INFO L168 Benchmark]: Witness Printer took 177.71 ms. Allocated memory is still 1.4 GB. Free memory was 898.3 MB in the beginning and 886.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:11,458 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 684.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 868.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.9 MB). Peak memory consumption was 57.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13621.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 162.9 MB). Peak memory consumption was 426.4 MB. Max. memory is 11.5 GB. * Witness Printer took 177.71 ms. Allocated memory is still 1.4 GB. Free memory was 898.3 MB in the beginning and 886.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: 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: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) || ((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && !(0 == tmp)) && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || ((((((((1 == systemActive && !(0 == tmp)) && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical == systemActive) && !(0 == tmp)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) || ((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((((0 == tmp && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && 0 <= \result) && 0 <= \result) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && methaneLevelCritical <= 0) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && !(0 == tmp)) && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((((((1 == systemActive && \result <= 0) && !(0 == tmp)) && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && !(\result == 2)) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && methaneLevelCritical == systemActive) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter)) || (((((((1 == systemActive && methaneLevelCritical <= 0) && waterLevel <= 1) && 0 <= \result) && \result <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((1 == systemActive && methaneLevelCritical <= 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, HoareTripleCheckerStatistics: 1031 SDtfs, 1551 SDslu, 1974 SDs, 0 SdLazy, 287 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 216 NumberOfFragments, 1050 HoareAnnotationTreeSize, 39 FomulaSimplifications, 926813 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 219504 FormulaSimplificationTreeSizeReductionInter, 7.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 23994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...