./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer --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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:31:46,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:31:46,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:31:46,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:31:46,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:31:46,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:31:46,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:31:46,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:31:46,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:31:46,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:31:46,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:31:46,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:31:46,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:31:46,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:31:46,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:31:46,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:31:46,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:31:46,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:31:46,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:31:46,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:31:46,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:31:46,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:31:46,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:31:46,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:31:46,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:31:46,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:31:46,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:31:46,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:31:46,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:31:46,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:31:46,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:31:46,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:31:46,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:31:46,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:31:46,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:31:46,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:31:46,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:31:46,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:31:46,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:31:46,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:31:46,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:31:46,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:31:46,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:31:46,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:31:46,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:31:46,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:31:46,682 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:31:46,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:31:46,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:31:46,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:31:46,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:31:46,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:31:46,685 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:31:46,685 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer 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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2019-12-07 16:31:46,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:31:46,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:31:46,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:31:46,796 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:31:46,797 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:31:46,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 16:31:46,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/data/5456de396/6f1127c4e2d849a3b86f7ed13afc399a/FLAGe8cdbdd6e [2019-12-07 16:31:47,278 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:31:47,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2019-12-07 16:31:47,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/data/5456de396/6f1127c4e2d849a3b86f7ed13afc399a/FLAGe8cdbdd6e [2019-12-07 16:31:47,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/data/5456de396/6f1127c4e2d849a3b86f7ed13afc399a [2019-12-07 16:31:47,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:31:47,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:31:47,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:47,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:31:47,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:31:47,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:47,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5025d23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47, skipping insertion in model container [2019-12-07 16:31:47,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:47,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:31:47,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:31:47,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:47,888 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:31:47,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:31:47,956 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:31:47,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47 WrapperNode [2019-12-07 16:31:47,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:31:47,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:47,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:31:47,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:31:47,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:47,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:31:48,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:31:48,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:31:48,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:31:48,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... [2019-12-07 16:31:48,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:31:48,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:31:48,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:31:48,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:31:48,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/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 [2019-12-07 16:31:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:31:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 16:31:48,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:31:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:31:48,650 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:31:48,650 INFO L287 CfgBuilder]: Removed 284 assume(true) statements. [2019-12-07 16:31:48,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:48 BoogieIcfgContainer [2019-12-07 16:31:48,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:31:48,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:31:48,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:31:48,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:31:48,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:31:47" (1/3) ... [2019-12-07 16:31:48,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f5ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:48, skipping insertion in model container [2019-12-07 16:31:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:31:47" (2/3) ... [2019-12-07 16:31:48,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f5ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:31:48, skipping insertion in model container [2019-12-07 16:31:48,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:48" (3/3) ... [2019-12-07 16:31:48,656 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2019-12-07 16:31:48,663 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:31:48,668 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 16:31:48,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 16:31:48,692 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:31:48,692 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:31:48,692 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:31:48,692 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:31:48,692 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:31:48,692 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:31:48,692 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:31:48,693 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:31:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-12-07 16:31:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 16:31:48,711 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:48,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:31:48,711 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:48,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:48,715 INFO L82 PathProgramCache]: Analyzing trace with hash 60762052, now seen corresponding path program 1 times [2019-12-07 16:31:48,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:48,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951044034] [2019-12-07 16:31:48,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:48,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951044034] [2019-12-07 16:31:48,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:48,868 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:31:48,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809603340] [2019-12-07 16:31:48,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:31:48,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:48,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:31:48,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:31:48,882 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-12-07 16:31:48,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:48,909 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2019-12-07 16:31:48,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:31:48,910 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 16:31:48,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:48,919 INFO L225 Difference]: With dead ends: 384 [2019-12-07 16:31:48,919 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 16:31:48,922 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 [2019-12-07 16:31:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 16:31:48,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2019-12-07 16:31:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2019-12-07 16:31:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2019-12-07 16:31:48,956 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2019-12-07 16:31:48,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:48,956 INFO L462 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2019-12-07 16:31:48,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:31:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2019-12-07 16:31:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 16:31:48,957 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:48,958 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:31:48,958 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:48,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:48,958 INFO L82 PathProgramCache]: Analyzing trace with hash -850268701, now seen corresponding path program 1 times [2019-12-07 16:31:48,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:48,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154044099] [2019-12-07 16:31:48,958 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,017 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154044099] [2019-12-07 16:31:49,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:31:49,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714649153] [2019-12-07 16:31:49,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:31:49,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:31:49,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:49,020 INFO L87 Difference]: Start difference. First operand 191 states and 285 transitions. Second operand 3 states. [2019-12-07 16:31:49,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,030 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2019-12-07 16:31:49,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:31:49,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 16:31:49,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,032 INFO L225 Difference]: With dead ends: 191 [2019-12-07 16:31:49,032 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 16:31:49,033 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 [2019-12-07 16:31:49,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 16:31:49,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:31:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:31:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2019-12-07 16:31:49,039 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2019-12-07 16:31:49,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,039 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2019-12-07 16:31:49,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:31:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2019-12-07 16:31:49,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 16:31:49,040 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,040 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] [2019-12-07 16:31:49,040 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1473925832, now seen corresponding path program 1 times [2019-12-07 16:31:49,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073279336] [2019-12-07 16:31:49,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073279336] [2019-12-07 16:31:49,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:31:49,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891581082] [2019-12-07 16:31:49,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:31:49,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:31:49,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:49,102 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2019-12-07 16:31:49,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,127 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2019-12-07 16:31:49,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:31:49,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 16:31:49,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,128 INFO L225 Difference]: With dead ends: 140 [2019-12-07 16:31:49,128 INFO L226 Difference]: Without dead ends: 73 [2019-12-07 16:31:49,129 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 [2019-12-07 16:31:49,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-12-07 16:31:49,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2019-12-07 16:31:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-12-07 16:31:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2019-12-07 16:31:49,136 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2019-12-07 16:31:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,136 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2019-12-07 16:31:49,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:31:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2019-12-07 16:31:49,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 16:31:49,137 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,137 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] [2019-12-07 16:31:49,138 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,138 INFO L82 PathProgramCache]: Analyzing trace with hash -17775911, now seen corresponding path program 1 times [2019-12-07 16:31:49,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,138 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611981101] [2019-12-07 16:31:49,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611981101] [2019-12-07 16:31:49,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:31:49,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604912753] [2019-12-07 16:31:49,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 16:31:49,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 16:31:49,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 16:31:49,183 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2019-12-07 16:31:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,211 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2019-12-07 16:31:49,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 16:31:49,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 16:31:49,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,213 INFO L225 Difference]: With dead ends: 151 [2019-12-07 16:31:49,213 INFO L226 Difference]: Without dead ends: 84 [2019-12-07 16:31:49,213 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 [2019-12-07 16:31:49,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-12-07 16:31:49,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2019-12-07 16:31:49,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 16:31:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2019-12-07 16:31:49,219 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2019-12-07 16:31:49,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,219 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2019-12-07 16:31:49,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 16:31:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-12-07 16:31:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:31:49,220 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,220 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] [2019-12-07 16:31:49,220 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,220 INFO L82 PathProgramCache]: Analyzing trace with hash 585251370, now seen corresponding path program 1 times [2019-12-07 16:31:49,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018757270] [2019-12-07 16:31:49,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018757270] [2019-12-07 16:31:49,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:31:49,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899998944] [2019-12-07 16:31:49,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:31:49,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:31:49,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:31:49,263 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand 5 states. [2019-12-07 16:31:49,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,325 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2019-12-07 16:31:49,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:31:49,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 16:31:49,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,327 INFO L225 Difference]: With dead ends: 216 [2019-12-07 16:31:49,327 INFO L226 Difference]: Without dead ends: 140 [2019-12-07 16:31:49,327 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:31:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-12-07 16:31:49,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2019-12-07 16:31:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 16:31:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2019-12-07 16:31:49,334 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2019-12-07 16:31:49,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,335 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2019-12-07 16:31:49,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:31:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2019-12-07 16:31:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 16:31:49,335 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,336 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] [2019-12-07 16:31:49,336 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,336 INFO L82 PathProgramCache]: Analyzing trace with hash -542144723, now seen corresponding path program 1 times [2019-12-07 16:31:49,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537596412] [2019-12-07 16:31:49,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,380 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537596412] [2019-12-07 16:31:49,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:31:49,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210558837] [2019-12-07 16:31:49,381 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:31:49,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:31:49,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:31:49,381 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand 5 states. [2019-12-07 16:31:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,475 INFO L93 Difference]: Finished difference Result 444 states and 625 transitions. [2019-12-07 16:31:49,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:31:49,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 16:31:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,478 INFO L225 Difference]: With dead ends: 444 [2019-12-07 16:31:49,478 INFO L226 Difference]: Without dead ends: 359 [2019-12-07 16:31:49,478 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 [2019-12-07 16:31:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-12-07 16:31:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 139. [2019-12-07 16:31:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-12-07 16:31:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2019-12-07 16:31:49,493 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 33 [2019-12-07 16:31:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,494 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2019-12-07 16:31:49,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:31:49,494 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2019-12-07 16:31:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:31:49,495 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,495 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] [2019-12-07 16:31:49,495 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,495 INFO L82 PathProgramCache]: Analyzing trace with hash 615151215, now seen corresponding path program 1 times [2019-12-07 16:31:49,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608440221] [2019-12-07 16:31:49,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608440221] [2019-12-07 16:31:49,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:31:49,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248473311] [2019-12-07 16:31:49,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:31:49,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:31:49,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:31:49,543 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand 5 states. [2019-12-07 16:31:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,678 INFO L93 Difference]: Finished difference Result 669 states and 929 transitions. [2019-12-07 16:31:49,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:31:49,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-12-07 16:31:49,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,681 INFO L225 Difference]: With dead ends: 669 [2019-12-07 16:31:49,681 INFO L226 Difference]: Without dead ends: 584 [2019-12-07 16:31:49,681 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:31:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-12-07 16:31:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 216. [2019-12-07 16:31:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-12-07 16:31:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 291 transitions. [2019-12-07 16:31:49,695 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 291 transitions. Word has length 34 [2019-12-07 16:31:49,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,695 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 291 transitions. [2019-12-07 16:31:49,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:31:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2019-12-07 16:31:49,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:31:49,696 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,696 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] [2019-12-07 16:31:49,696 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,697 INFO L82 PathProgramCache]: Analyzing trace with hash -395966035, now seen corresponding path program 1 times [2019-12-07 16:31:49,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,697 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968836646] [2019-12-07 16:31:49,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968836646] [2019-12-07 16:31:49,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:31:49,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134638489] [2019-12-07 16:31:49,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:31:49,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:31:49,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:31:49,723 INFO L87 Difference]: Start difference. First operand 216 states and 291 transitions. Second operand 4 states. [2019-12-07 16:31:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,770 INFO L93 Difference]: Finished difference Result 533 states and 729 transitions. [2019-12-07 16:31:49,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:31:49,770 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-12-07 16:31:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,772 INFO L225 Difference]: With dead ends: 533 [2019-12-07 16:31:49,772 INFO L226 Difference]: Without dead ends: 369 [2019-12-07 16:31:49,772 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 [2019-12-07 16:31:49,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-12-07 16:31:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 207. [2019-12-07 16:31:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-12-07 16:31:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 279 transitions. [2019-12-07 16:31:49,783 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 279 transitions. Word has length 34 [2019-12-07 16:31:49,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,783 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 279 transitions. [2019-12-07 16:31:49,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:31:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 279 transitions. [2019-12-07 16:31:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:31:49,784 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:49,784 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] [2019-12-07 16:31:49,784 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:49,784 INFO L82 PathProgramCache]: Analyzing trace with hash 989595496, now seen corresponding path program 1 times [2019-12-07 16:31:49,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:49,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700529567] [2019-12-07 16:31:49,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:49,822 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700529567] [2019-12-07 16:31:49,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:49,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:31:49,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434061082] [2019-12-07 16:31:49,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:31:49,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:31:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:31:49,823 INFO L87 Difference]: Start difference. First operand 207 states and 279 transitions. Second operand 6 states. [2019-12-07 16:31:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:49,980 INFO L93 Difference]: Finished difference Result 568 states and 782 transitions. [2019-12-07 16:31:49,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:31:49,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 16:31:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:49,983 INFO L225 Difference]: With dead ends: 568 [2019-12-07 16:31:49,983 INFO L226 Difference]: Without dead ends: 367 [2019-12-07 16:31:49,984 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:31:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-12-07 16:31:49,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 175. [2019-12-07 16:31:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-12-07 16:31:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 229 transitions. [2019-12-07 16:31:49,999 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 229 transitions. Word has length 34 [2019-12-07 16:31:49,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:49,999 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 229 transitions. [2019-12-07 16:31:49,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:31:49,999 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2019-12-07 16:31:50,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 16:31:50,000 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:50,000 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] [2019-12-07 16:31:50,001 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:50,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:50,001 INFO L82 PathProgramCache]: Analyzing trace with hash -137800597, now seen corresponding path program 1 times [2019-12-07 16:31:50,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:50,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338646429] [2019-12-07 16:31:50,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:50,043 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338646429] [2019-12-07 16:31:50,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:50,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 16:31:50,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828496596] [2019-12-07 16:31:50,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:31:50,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:50,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:31:50,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:31:50,045 INFO L87 Difference]: Start difference. First operand 175 states and 229 transitions. Second operand 6 states. [2019-12-07 16:31:50,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:50,111 INFO L93 Difference]: Finished difference Result 480 states and 634 transitions. [2019-12-07 16:31:50,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:31:50,112 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-07 16:31:50,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:50,113 INFO L225 Difference]: With dead ends: 480 [2019-12-07 16:31:50,113 INFO L226 Difference]: Without dead ends: 311 [2019-12-07 16:31:50,114 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:31:50,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2019-12-07 16:31:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 175. [2019-12-07 16:31:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-12-07 16:31:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 226 transitions. [2019-12-07 16:31:50,123 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 226 transitions. Word has length 34 [2019-12-07 16:31:50,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:50,123 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 226 transitions. [2019-12-07 16:31:50,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:31:50,123 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 226 transitions. [2019-12-07 16:31:50,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-07 16:31:50,124 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:50,124 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 16:31:50,124 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:50,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:50,124 INFO L82 PathProgramCache]: Analyzing trace with hash 282802848, now seen corresponding path program 1 times [2019-12-07 16:31:50,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:50,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680817569] [2019-12-07 16:31:50,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:31:50,158 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680817569] [2019-12-07 16:31:50,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:31:50,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:31:50,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731675029] [2019-12-07 16:31:50,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:31:50,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:50,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:31:50,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:31:50,159 INFO L87 Difference]: Start difference. First operand 175 states and 226 transitions. Second operand 5 states. [2019-12-07 16:31:50,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:50,246 INFO L93 Difference]: Finished difference Result 903 states and 1161 transitions. [2019-12-07 16:31:50,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:31:50,246 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-07 16:31:50,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:50,249 INFO L225 Difference]: With dead ends: 903 [2019-12-07 16:31:50,249 INFO L226 Difference]: Without dead ends: 734 [2019-12-07 16:31:50,250 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 16:31:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-12-07 16:31:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 342. [2019-12-07 16:31:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-12-07 16:31:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 433 transitions. [2019-12-07 16:31:50,270 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 433 transitions. Word has length 52 [2019-12-07 16:31:50,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:50,270 INFO L462 AbstractCegarLoop]: Abstraction has 342 states and 433 transitions. [2019-12-07 16:31:50,270 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:31:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 433 transitions. [2019-12-07 16:31:50,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-07 16:31:50,271 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:50,271 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 16:31:50,271 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:50,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:50,271 INFO L82 PathProgramCache]: Analyzing trace with hash 140278630, now seen corresponding path program 1 times [2019-12-07 16:31:50,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:50,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104401513] [2019-12-07 16:31:50,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 16:31:50,307 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104401513] [2019-12-07 16:31:50,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163494749] [2019-12-07 16:31:50,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:31:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:50,399 INFO L264 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 16:31:50,404 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:31:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 16:31:50,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:31:50,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-12-07 16:31:50,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338228712] [2019-12-07 16:31:50,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:31:50,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:50,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:31:50,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:31:50,437 INFO L87 Difference]: Start difference. First operand 342 states and 433 transitions. Second operand 8 states. [2019-12-07 16:31:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:50,586 INFO L93 Difference]: Finished difference Result 854 states and 1079 transitions. [2019-12-07 16:31:50,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:31:50,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-12-07 16:31:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:50,589 INFO L225 Difference]: With dead ends: 854 [2019-12-07 16:31:50,589 INFO L226 Difference]: Without dead ends: 518 [2019-12-07 16:31:50,590 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:31:50,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2019-12-07 16:31:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 326. [2019-12-07 16:31:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-12-07 16:31:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 402 transitions. [2019-12-07 16:31:50,618 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 402 transitions. Word has length 53 [2019-12-07 16:31:50,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:50,618 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 402 transitions. [2019-12-07 16:31:50,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:31:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 402 transitions. [2019-12-07 16:31:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 16:31:50,620 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:31:50,620 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 16:31:50,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:31:50,821 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:31:50,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:31:50,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1173555437, now seen corresponding path program 1 times [2019-12-07 16:31:50,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:31:50,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134001716] [2019-12-07 16:31:50,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:31:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:31:50,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134001716] [2019-12-07 16:31:50,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138242160] [2019-12-07 16:31:50,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:31:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:31:51,067 INFO L264 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:31:51,069 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:31:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 16:31:51,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:31:51,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2019-12-07 16:31:51,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747094544] [2019-12-07 16:31:51,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:31:51,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:31:51,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:31:51,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:31:51,076 INFO L87 Difference]: Start difference. First operand 326 states and 402 transitions. Second operand 6 states. [2019-12-07 16:31:51,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:31:51,209 INFO L93 Difference]: Finished difference Result 1143 states and 1436 transitions. [2019-12-07 16:31:51,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:31:51,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-07 16:31:51,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:31:51,210 INFO L225 Difference]: With dead ends: 1143 [2019-12-07 16:31:51,210 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:31:51,211 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-12-07 16:31:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:31:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:31:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:31:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:31:51,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-12-07 16:31:51,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:31:51,212 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:31:51,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:31:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:31:51,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:31:51,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:31:51,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:31:51,820 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 210 [2019-12-07 16:31:52,098 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 190 [2019-12-07 16:31:52,397 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2019-12-07 16:31:52,769 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2019-12-07 16:31:52,876 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2019-12-07 16:31:53,154 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2019-12-07 16:31:54,313 WARN L192 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 202 DAG size of output: 34 [2019-12-07 16:31:54,540 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-12-07 16:31:54,799 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-12-07 16:31:55,407 WARN L192 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 38 [2019-12-07 16:31:55,627 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-12-07 16:31:55,845 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2019-12-07 16:31:56,770 WARN L192 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2019-12-07 16:31:57,403 WARN L192 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2019-12-07 16:31:59,259 WARN L192 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 157 DAG size of output: 44 [2019-12-07 16:32:01,247 WARN L192 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2019-12-07 16:32:02,012 WARN L192 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 40 [2019-12-07 16:32:02,427 WARN L192 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2019-12-07 16:32:03,253 WARN L192 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,256 INFO L242 CegarLoopResult]: At program point L729-1(lines 729 735) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse6 (not .cse9)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse9 .cse5 .cse7)))) [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point L961-3(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,256 INFO L246 CegarLoopResult]: For program point L961-5(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-6(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-8(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-9(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-11(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-12(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-14(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-15(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-17(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-18(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-20(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-21(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-23(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-24(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,257 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-26(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,257 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,257 INFO L246 CegarLoopResult]: For program point L961-27(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse1 .cse7 .cse4 .cse5 .cse6))) [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L961-29(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L961-30(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-6(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-7(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L961-32(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-8(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L961-33(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-9(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L863-1(lines 863 871) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L242 CegarLoopResult]: At program point L136-10(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L961-35(lines 961 965) no Hoare annotation was computed. [2019-12-07 16:32:03,258 INFO L246 CegarLoopResult]: For program point L863-2(lines 863 871) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L242 CegarLoopResult]: At program point L136-11(lines 127 140) the Hoare annotation is: false [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833-1(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833-2(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833-3(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833-4(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L833-5(lines 833 850) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L272(lines 272 292) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L239(lines 239 246) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L272-2(lines 272 292) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L249 CegarLoopResult]: At program point L239-1(lines 239 246) the Hoare annotation is: true [2019-12-07 16:32:03,259 INFO L246 CegarLoopResult]: For program point L272-4(lines 272 292) no Hoare annotation was computed. [2019-12-07 16:32:03,259 INFO L242 CegarLoopResult]: At program point L967(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,259 INFO L242 CegarLoopResult]: At program point L967-1(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,259 INFO L242 CegarLoopResult]: At program point L967-2(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,259 INFO L242 CegarLoopResult]: At program point L967-3(lines 952 970) the Hoare annotation is: (let ((.cse10 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) (.cse9 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse4 (not .cse9)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (not .cse10)) (.cse2 (= 1 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse12 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse2 .cse10 .cse3 .cse11 .cse7 .cse8) (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse6 .cse7 .cse8) (and .cse1 .cse2 .cse4 .cse11 .cse6 .cse7 .cse8 .cse12) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse9 .cse2 .cse10 .cse11 .cse7 .cse8 .cse12)))) [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-4(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-5(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-6(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-7(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-8(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-9(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-10(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L967-11(lines 952 970) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L903(lines 896 906) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse0 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 .cse6))) [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L903-1(lines 896 906) the Hoare annotation is: false [2019-12-07 16:32:03,260 INFO L246 CegarLoopResult]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,260 INFO L242 CegarLoopResult]: At program point L903-2(lines 896 906) the Hoare annotation is: false [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L837-1(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L837-2(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L837-3(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L837-4(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L837-5(lines 837 845) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L246 CegarLoopResult]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-12-07 16:32:03,261 INFO L242 CegarLoopResult]: At program point L278-1(lines 1 997) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0))) (let ((.cse0 (= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1)) (.cse5 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse3 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse8 (not .cse11)) (.cse13 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1)) (.cse14 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse10 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse12 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse10 .cse5 .cse11 .cse7 .cse9) (and .cse1 .cse2 .cse12 .cse13 .cse3 .cse14 .cse4 .cse6 .cse7 .cse8) (and .cse2 .cse12 .cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1) (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse14 .cse10 .cse11 .cse7) (and .cse2 .cse12 (= 1 ~waterLevel~0) .cse11 .cse7)))) [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L212(lines 208 214) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:03,262 INFO L246 CegarLoopResult]: For program point L278-2(lines 278 291) no Hoare annotation was computed. [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L278-3(lines 1 997) the Hoare annotation is: false [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse0 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 .cse6))) [2019-12-07 16:32:03,262 INFO L246 CegarLoopResult]: For program point L278-4(lines 278 291) no Hoare annotation was computed. [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L278-5(lines 1 997) the Hoare annotation is: false [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L146-3(lines 141 149) the Hoare annotation is: false [2019-12-07 16:32:03,262 INFO L242 CegarLoopResult]: At program point L146-4(lines 141 149) the Hoare annotation is: false [2019-12-07 16:32:03,263 INFO L242 CegarLoopResult]: At program point L146-5(lines 141 149) the Hoare annotation is: false [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-3(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-4(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-5(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-6(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-7(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-8(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,263 INFO L246 CegarLoopResult]: For program point L807-9(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L807-10(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L807-11(lines 807 824) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L242 CegarLoopResult]: At program point L775(lines 774 793) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse5 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse6 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse9 (not .cse3)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse10 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse4 .cse9 .cse10) (and .cse5 .cse0 .cse6 .cse1 .cse7 .cse8 .cse4 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse10)))) [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L775-1(lines 775 781) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L242 CegarLoopResult]: At program point L775-2(lines 774 793) the Hoare annotation is: false [2019-12-07 16:32:03,264 INFO L242 CegarLoopResult]: At program point L775-3(lines 774 793) the Hoare annotation is: false [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L249 CegarLoopResult]: At program point L248(lines 229 251) the Hoare annotation is: true [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-12-07 16:32:03,264 INFO L246 CegarLoopResult]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L282-2(lines 282 288) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L282-4(lines 282 288) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-3(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-4(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-5(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-6(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-7(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,265 INFO L246 CegarLoopResult]: For program point L811-8(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L246 CegarLoopResult]: For program point L811-9(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L246 CegarLoopResult]: For program point L811-10(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L246 CegarLoopResult]: For program point L811-11(lines 811 819) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L242 CegarLoopResult]: At program point L912(lines 907 915) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) (= 0 ~methaneLevelCritical~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= ~waterLevel~0 2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) (not (= ~pumpRunning~0 0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 16:32:03,266 INFO L242 CegarLoopResult]: At program point L912-1(lines 907 915) the Hoare annotation is: false [2019-12-07 16:32:03,266 INFO L242 CegarLoopResult]: At program point L912-2(lines 907 915) the Hoare annotation is: false [2019-12-07 16:32:03,266 INFO L246 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-12-07 16:32:03,266 INFO L242 CegarLoopResult]: At program point L747-2(lines 775 781) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse6 (not .cse9)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse3 .cse9 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse9 .cse5 .cse7)))) [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L242 CegarLoopResult]: At program point L319(lines 1 997) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L980(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L980-3(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L980-5(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,267 INFO L242 CegarLoopResult]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse6 (not .cse10)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse8 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse1 .cse3 .cse9 .cse10 .cse7) (and .cse1 .cse9 .cse10 .cse7 .cse8)))) [2019-12-07 16:32:03,267 INFO L246 CegarLoopResult]: For program point L980-6(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L242 CegarLoopResult]: At program point L782-1(lines 782 788) the Hoare annotation is: false [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-8(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L242 CegarLoopResult]: At program point L782-2(lines 782 788) the Hoare annotation is: false [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-9(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-11(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-12(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-14(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-15(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L246 CegarLoopResult]: For program point L980-17(lines 980 984) no Hoare annotation was computed. [2019-12-07 16:32:03,268 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9) .cse1 .cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse3 (<= ~waterLevel~0 2) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2)) (not .cse4) .cse5) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse3 (<= ~waterLevel~0 1) .cse4 .cse5))) [2019-12-07 16:32:03,268 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91(lines 86 94) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse0 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 .cse6))) [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse1 (<= ~waterLevel~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse0 (= 1 ~systemActive~0)) (.cse9 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse10 (<= ~waterLevel~0 2)) (.cse2 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse12 (not .cse3)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse1 .cse3 .cse4) (and .cse8 .cse0 .cse6 .cse9 .cse7 .cse10 .cse11 .cse4 .cse12) (and .cse8 .cse0 .cse9 .cse10 .cse2 .cse11 .cse4 .cse12 .cse5)))) [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91-2(lines 86 94) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L242 CegarLoopResult]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-12-07 16:32:03,269 INFO L246 CegarLoopResult]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-12-07 16:32:03,270 INFO L242 CegarLoopResult]: At program point L719-1(lines 719 725) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0))) (let ((.cse5 (= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1)) (.cse6 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse0 (= 1 ~systemActive~0)) (.cse9 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse11 (not .cse3))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse5 .cse8 .cse0 .cse9 .cse2 .cse6 .cse10 .cse4 .cse11 .cse7) (and .cse8 .cse0 .cse9 .cse1 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse10 .cse4 .cse11)))) [2019-12-07 16:32:03,270 INFO L246 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,270 INFO L246 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,270 INFO L246 CegarLoopResult]: For program point L257-2(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,270 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:32:03,270 INFO L242 CegarLoopResult]: At program point L986(lines 971 989) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~9)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (not (= ~pumpRunning~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse5 .cse6 (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse0 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 .cse6))) [2019-12-07 16:32:03,270 INFO L242 CegarLoopResult]: At program point L986-1(lines 971 989) the Hoare annotation is: false [2019-12-07 16:32:03,270 INFO L242 CegarLoopResult]: At program point L986-2(lines 971 989) the Hoare annotation is: false [2019-12-07 16:32:03,270 INFO L242 CegarLoopResult]: At program point L986-3(lines 971 989) the Hoare annotation is: false [2019-12-07 16:32:03,271 INFO L242 CegarLoopResult]: At program point L986-4(lines 971 989) the Hoare annotation is: false [2019-12-07 16:32:03,271 INFO L242 CegarLoopResult]: At program point L986-5(lines 971 989) the Hoare annotation is: false [2019-12-07 16:32:03,271 INFO L242 CegarLoopResult]: At program point L327(lines 322 330) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-12-07 16:32:03,271 INFO L242 CegarLoopResult]: At program point L757(lines 708 758) the Hoare annotation is: false [2019-12-07 16:32:03,271 INFO L242 CegarLoopResult]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:32:03,271 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-6(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-7(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-8(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-9(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-10(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L131-11(lines 131 137) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L859(lines 859 876) no Hoare annotation was computed. [2019-12-07 16:32:03,272 INFO L246 CegarLoopResult]: For program point L859-1(lines 859 876) no Hoare annotation was computed. [2019-12-07 16:32:03,273 INFO L246 CegarLoopResult]: For program point L859-2(lines 859 876) no Hoare annotation was computed. [2019-12-07 16:32:03,273 INFO L246 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-12-07 16:32:03,273 INFO L246 CegarLoopResult]: For program point L167-1(lines 775 781) no Hoare annotation was computed. [2019-12-07 16:32:03,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:32:03 BoogieIcfgContainer [2019-12-07 16:32:03,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:32:03,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:32:03,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:32:03,309 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:32:03,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:31:48" (3/4) ... [2019-12-07 16:32:03,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:32:03,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 16:32:03,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 16:32:03,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 16:32:03,332 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 16:32:03,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:32:03,335 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:32:03,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:32:03,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == tmp && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((1 == tmp && 1 == systemActive) && waterLevel <= 1) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == tmp) && tmp___0 <= 1) && \result <= 1) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 16:32:03,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 1 == systemActive) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((((1 == tmp && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:32:03,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && waterLevel <= 1) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,358 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:32:03,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:32:03,359 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && 0 == tmp) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 16:32:03,360 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 0 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-12-07 16:32:03,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && 0 == tmp) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter [2019-12-07 16:32:03,361 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:32:03,362 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 16:32:03,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d85ff724-c491-4cb4-9025-fb9f77531865/bin/uautomizer/witness.graphml [2019-12-07 16:32:03,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:32:03,428 INFO L168 Benchmark]: Toolchain (without parser) took 15787.77 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 399.0 MB). Free memory was 942.4 MB in the beginning and 1.2 GB in the end (delta: -279.7 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,428 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:32:03,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,429 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,429 INFO L168 Benchmark]: RCFGBuilder took 604.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,429 INFO L168 Benchmark]: TraceAbstraction took 14656.22 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 405.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,429 INFO L168 Benchmark]: Witness Printer took 118.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:32:03,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.11 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.42 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 604.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14656.22 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -226.0 MB). Peak memory consumption was 405.5 MB. Max. memory is 11.5 GB. * Witness Printer took 118.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 257]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 257]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && waterLevel <= 1) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 0 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1 == tmp && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((1 == tmp && 1 == systemActive) && waterLevel <= 1) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && 0 == tmp) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == tmp) && tmp___0 <= 1) && \result <= 1) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: ((((((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 0 == methaneLevelCritical) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && 0 == methaneLevelCritical) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((((\result == 0 && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && 0 == tmp) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && 1 == systemActive) && waterLevel <= 2) && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((((((((1 == tmp && 0 == tmp) && 1 == systemActive) && !(0 == \result)) && waterLevel <= 2) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical)) || (((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && 0 == methaneLevelCritical) && 0 == tmp) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && 0 == tmp) && !(0 == \result)) && 0 == \result) && waterLevel <= 2) && !(0 == tmp___0)) && !(pumpRunning == 0)) && 0 == splverifierCounter) || (((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == tmp) && \result <= 1) && 0 == \result) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((((((0 == tmp && 1 == systemActive) && !(0 == \result)) && waterLevel <= 1) && 1 == \result) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 1 == methaneLevelCritical) || ((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == \result) && waterLevel <= 1) && !(0 == tmp___0)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, HoareTripleCheckerStatistics: 1719 SDtfs, 2702 SDslu, 2709 SDs, 0 SdLazy, 432 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=342occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1713 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 427 NumberOfFragments, 1370 HoareAnnotationTreeSize, 70 FomulaSimplifications, 5492028 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 767910 FormulaSimplificationTreeSizeReductionInter, 10.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 46511 SizeOfPredicates, 8 NumberOfNonLiveVariables, 835 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 62/74 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...