./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/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 4366671714130af280ec4232c34176d9c997fd05 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:42,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:42,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:43,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:43,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:43,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:43,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:43,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:43,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:43,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:43,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:43,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:43,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:43,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:43,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:43,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:43,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:43,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:43,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:43,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:43,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:43,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:43,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:43,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:43,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:43,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:43,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:43,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:43,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:43,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:43,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:43,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:43,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:43,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:43,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:43,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:43,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:43,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:43,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:43,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:43,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:43,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:43,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:43,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:43,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:43,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:43,050 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:43,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:43,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:43,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:43,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:43,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:43,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:43,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:43,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:43,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:43,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:43,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:43,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:43,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:43,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:43,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:43,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:43,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:43,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:43,055 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/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2019-10-22 09:00:43,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:43,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:43,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:43,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:43,095 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:43,096 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2019-10-22 09:00:43,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/data/0b06ec56e/51dc90ddd49a4b7885bbc8d5e269c5cb/FLAG5aa1db424 [2019-10-22 09:00:43,570 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:43,570 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2019-10-22 09:00:43,581 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/data/0b06ec56e/51dc90ddd49a4b7885bbc8d5e269c5cb/FLAG5aa1db424 [2019-10-22 09:00:43,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/data/0b06ec56e/51dc90ddd49a4b7885bbc8d5e269c5cb [2019-10-22 09:00:43,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:43,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:43,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:43,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:43,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:43,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:43" (1/1) ... [2019-10-22 09:00:43,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58628272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:43, skipping insertion in model container [2019-10-22 09:00:43,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:43" (1/1) ... [2019-10-22 09:00:43,950 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:43,989 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:44,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:44,306 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:44,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:44,454 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:44,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44 WrapperNode [2019-10-22 09:00:44,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:44,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:44,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:44,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:44,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,499 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:44,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:44,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:44,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:44,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... [2019-10-22 09:00:44,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:44,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:44,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:44,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:44,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/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 [2019-10-22 09:00:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:44,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:45,657 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:45,658 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-10-22 09:00:45,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:45 BoogieIcfgContainer [2019-10-22 09:00:45,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:45,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:45,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:45,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:45,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:43" (1/3) ... [2019-10-22 09:00:45,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5792e5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:45, skipping insertion in model container [2019-10-22 09:00:45,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:44" (2/3) ... [2019-10-22 09:00:45,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5792e5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:45, skipping insertion in model container [2019-10-22 09:00:45,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:45" (3/3) ... [2019-10-22 09:00:45,666 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2019-10-22 09:00:45,675 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:45,683 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:45,694 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:45,716 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:45,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:45,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:45,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:45,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:45,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:45,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:45,718 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2019-10-22 09:00:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:00:45,739 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:45,740 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:45,742 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:45,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:45,748 INFO L82 PathProgramCache]: Analyzing trace with hash 849715888, now seen corresponding path program 1 times [2019-10-22 09:00:45,754 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:45,754 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76614811] [2019-10-22 09:00:45,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:45,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:45,943 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76614811] [2019-10-22 09:00:45,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:45,944 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:45,944 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775679211] [2019-10-22 09:00:45,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:45,949 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:45,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:45,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:45,965 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 2 states. [2019-10-22 09:00:45,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:45,997 INFO L93 Difference]: Finished difference Result 259 states and 390 transitions. [2019-10-22 09:00:45,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:45,999 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 09:00:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,010 INFO L225 Difference]: With dead ends: 259 [2019-10-22 09:00:46,010 INFO L226 Difference]: Without dead ends: 129 [2019-10-22 09:00:46,014 INFO L600 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 [2019-10-22 09:00:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-22 09:00:46,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-22 09:00:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-22 09:00:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 187 transitions. [2019-10-22 09:00:46,056 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 187 transitions. Word has length 18 [2019-10-22 09:00:46,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,056 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 187 transitions. [2019-10-22 09:00:46,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 187 transitions. [2019-10-22 09:00:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:00:46,058 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,058 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:46,058 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,058 INFO L82 PathProgramCache]: Analyzing trace with hash 2136736995, now seen corresponding path program 1 times [2019-10-22 09:00:46,059 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,059 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232762902] [2019-10-22 09:00:46,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,059 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232762902] [2019-10-22 09:00:46,158 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,158 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:46,158 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511106786] [2019-10-22 09:00:46,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:46,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:46,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:46,160 INFO L87 Difference]: Start difference. First operand 129 states and 187 transitions. Second operand 3 states. [2019-10-22 09:00:46,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,180 INFO L93 Difference]: Finished difference Result 129 states and 187 transitions. [2019-10-22 09:00:46,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:46,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 09:00:46,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,182 INFO L225 Difference]: With dead ends: 129 [2019-10-22 09:00:46,183 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 09:00:46,185 INFO L600 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 [2019-10-22 09:00:46,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 09:00:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 09:00:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 09:00:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 09:00:46,193 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 19 [2019-10-22 09:00:46,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,194 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 09:00:46,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 09:00:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:00:46,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,195 INFO L380 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] [2019-10-22 09:00:46,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2062368201, now seen corresponding path program 1 times [2019-10-22 09:00:46,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987325791] [2019-10-22 09:00:46,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,196 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987325791] [2019-10-22 09:00:46,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:46,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133658466] [2019-10-22 09:00:46,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:46,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:46,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:46,255 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 09:00:46,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,280 INFO L93 Difference]: Finished difference Result 99 states and 145 transitions. [2019-10-22 09:00:46,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:46,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 09:00:46,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,282 INFO L225 Difference]: With dead ends: 99 [2019-10-22 09:00:46,282 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 09:00:46,283 INFO L600 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 [2019-10-22 09:00:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 09:00:46,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 09:00:46,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 09:00:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-10-22 09:00:46,288 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 24 [2019-10-22 09:00:46,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,289 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-10-22 09:00:46,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-10-22 09:00:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:46,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,290 INFO L380 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] [2019-10-22 09:00:46,290 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,290 INFO L82 PathProgramCache]: Analyzing trace with hash 2079031545, now seen corresponding path program 1 times [2019-10-22 09:00:46,290 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983548912] [2019-10-22 09:00:46,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,291 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,360 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983548912] [2019-10-22 09:00:46,360 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,360 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:46,361 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980035625] [2019-10-22 09:00:46,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:46,361 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:46,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:46,362 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-10-22 09:00:46,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,404 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2019-10-22 09:00:46,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:46,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:00:46,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,406 INFO L225 Difference]: With dead ends: 121 [2019-10-22 09:00:46,406 INFO L226 Difference]: Without dead ends: 75 [2019-10-22 09:00:46,406 INFO L600 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 [2019-10-22 09:00:46,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-22 09:00:46,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2019-10-22 09:00:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2019-10-22 09:00:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2019-10-22 09:00:46,418 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 26 [2019-10-22 09:00:46,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,418 INFO L462 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2019-10-22 09:00:46,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2019-10-22 09:00:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:00:46,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,419 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:46,419 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,420 INFO L82 PathProgramCache]: Analyzing trace with hash -449932985, now seen corresponding path program 1 times [2019-10-22 09:00:46,420 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960664737] [2019-10-22 09:00:46,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,420 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960664737] [2019-10-22 09:00:46,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:46,512 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169425286] [2019-10-22 09:00:46,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:46,512 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:46,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:46,513 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 4 states. [2019-10-22 09:00:46,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,576 INFO L93 Difference]: Finished difference Result 203 states and 291 transitions. [2019-10-22 09:00:46,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:46,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-22 09:00:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,579 INFO L225 Difference]: With dead ends: 203 [2019-10-22 09:00:46,579 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 09:00:46,580 INFO L600 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 [2019-10-22 09:00:46,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 09:00:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2019-10-22 09:00:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 09:00:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-10-22 09:00:46,601 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 32 [2019-10-22 09:00:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,605 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-10-22 09:00:46,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-10-22 09:00:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:00:46,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,606 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:46,606 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1150997563, now seen corresponding path program 1 times [2019-10-22 09:00:46,607 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,607 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385537860] [2019-10-22 09:00:46,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:46,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385537860] [2019-10-22 09:00:46,701 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:46,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:46,702 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829092362] [2019-10-22 09:00:46,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:46,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:46,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:46,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:46,703 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-10-22 09:00:46,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:46,880 INFO L93 Difference]: Finished difference Result 364 states and 517 transitions. [2019-10-22 09:00:46,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:46,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 09:00:46,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:46,882 INFO L225 Difference]: With dead ends: 364 [2019-10-22 09:00:46,882 INFO L226 Difference]: Without dead ends: 294 [2019-10-22 09:00:46,883 INFO L600 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 [2019-10-22 09:00:46,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-10-22 09:00:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 139. [2019-10-22 09:00:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-22 09:00:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 192 transitions. [2019-10-22 09:00:46,917 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 192 transitions. Word has length 32 [2019-10-22 09:00:46,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:46,918 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 192 transitions. [2019-10-22 09:00:46,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:46,918 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 192 transitions. [2019-10-22 09:00:46,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:00:46,921 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:46,921 INFO L380 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] [2019-10-22 09:00:46,921 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:46,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:46,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1151154099, now seen corresponding path program 1 times [2019-10-22 09:00:46,922 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:46,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578597360] [2019-10-22 09:00:46,922 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,922 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:46,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578597360] [2019-10-22 09:00:47,002 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:47,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737867771] [2019-10-22 09:00:47,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:47,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:47,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:47,005 INFO L87 Difference]: Start difference. First operand 139 states and 192 transitions. Second operand 5 states. [2019-10-22 09:00:47,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:47,118 INFO L93 Difference]: Finished difference Result 526 states and 731 transitions. [2019-10-22 09:00:47,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:47,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 09:00:47,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:47,121 INFO L225 Difference]: With dead ends: 526 [2019-10-22 09:00:47,121 INFO L226 Difference]: Without dead ends: 394 [2019-10-22 09:00:47,122 INFO L600 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 [2019-10-22 09:00:47,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-22 09:00:47,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 138. [2019-10-22 09:00:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-22 09:00:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 189 transitions. [2019-10-22 09:00:47,141 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 189 transitions. Word has length 33 [2019-10-22 09:00:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:47,142 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 189 transitions. [2019-10-22 09:00:47,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 189 transitions. [2019-10-22 09:00:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:00:47,143 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:47,143 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:47,143 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,144 INFO L82 PathProgramCache]: Analyzing trace with hash -59777108, now seen corresponding path program 1 times [2019-10-22 09:00:47,144 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,144 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078219964] [2019-10-22 09:00:47,144 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,145 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,206 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078219964] [2019-10-22 09:00:47,206 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,206 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:47,207 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713102344] [2019-10-22 09:00:47,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:47,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:47,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:47,207 INFO L87 Difference]: Start difference. First operand 138 states and 189 transitions. Second operand 5 states. [2019-10-22 09:00:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:47,269 INFO L93 Difference]: Finished difference Result 355 states and 485 transitions. [2019-10-22 09:00:47,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:47,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 09:00:47,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:47,271 INFO L225 Difference]: With dead ends: 355 [2019-10-22 09:00:47,271 INFO L226 Difference]: Without dead ends: 224 [2019-10-22 09:00:47,272 INFO L600 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 [2019-10-22 09:00:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-10-22 09:00:47,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 150. [2019-10-22 09:00:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-22 09:00:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 201 transitions. [2019-10-22 09:00:47,287 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 201 transitions. Word has length 36 [2019-10-22 09:00:47,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:47,287 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 201 transitions. [2019-10-22 09:00:47,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:47,288 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2019-10-22 09:00:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 09:00:47,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:47,289 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:47,289 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2091962712, now seen corresponding path program 1 times [2019-10-22 09:00:47,290 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318896135] [2019-10-22 09:00:47,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,290 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,346 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318896135] [2019-10-22 09:00:47,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:47,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485959197] [2019-10-22 09:00:47,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:47,347 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:47,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:47,348 INFO L87 Difference]: Start difference. First operand 150 states and 201 transitions. Second operand 3 states. [2019-10-22 09:00:47,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:47,385 INFO L93 Difference]: Finished difference Result 343 states and 459 transitions. [2019-10-22 09:00:47,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:47,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 09:00:47,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:47,387 INFO L225 Difference]: With dead ends: 343 [2019-10-22 09:00:47,387 INFO L226 Difference]: Without dead ends: 200 [2019-10-22 09:00:47,388 INFO L600 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 [2019-10-22 09:00:47,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-10-22 09:00:47,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-10-22 09:00:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 09:00:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2019-10-22 09:00:47,408 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 36 [2019-10-22 09:00:47,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:47,408 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2019-10-22 09:00:47,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2019-10-22 09:00:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 09:00:47,409 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:47,409 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:47,410 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:47,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:47,410 INFO L82 PathProgramCache]: Analyzing trace with hash 728525800, now seen corresponding path program 1 times [2019-10-22 09:00:47,410 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:47,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801491354] [2019-10-22 09:00:47,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:47,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:47,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801491354] [2019-10-22 09:00:47,484 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:47,484 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:47,485 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052781352] [2019-10-22 09:00:47,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:47,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:47,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:47,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:47,486 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand 8 states. [2019-10-22 09:00:48,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:48,034 INFO L93 Difference]: Finished difference Result 1040 states and 1349 transitions. [2019-10-22 09:00:48,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-22 09:00:48,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2019-10-22 09:00:48,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:48,038 INFO L225 Difference]: With dead ends: 1040 [2019-10-22 09:00:48,038 INFO L226 Difference]: Without dead ends: 847 [2019-10-22 09:00:48,039 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2019-10-22 09:00:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2019-10-22 09:00:48,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 200. [2019-10-22 09:00:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-22 09:00:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 256 transitions. [2019-10-22 09:00:48,071 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 256 transitions. Word has length 37 [2019-10-22 09:00:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:48,072 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 256 transitions. [2019-10-22 09:00:48,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 256 transitions. [2019-10-22 09:00:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:00:48,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:48,073 INFO L380 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, 1, 1, 1] [2019-10-22 09:00:48,074 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:48,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:48,075 INFO L82 PathProgramCache]: Analyzing trace with hash 980113013, now seen corresponding path program 1 times [2019-10-22 09:00:48,075 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:48,075 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531773485] [2019-10-22 09:00:48,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,075 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 09:00:48,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531773485] [2019-10-22 09:00:48,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653820560] [2019-10-22 09:00:48,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/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 [2019-10-22 09:00:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 09:00:48,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:48,323 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:00:48,323 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-22 09:00:48,323 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242590271] [2019-10-22 09:00:48,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:48,324 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:48,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:48,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:48,325 INFO L87 Difference]: Start difference. First operand 200 states and 256 transitions. Second operand 3 states. [2019-10-22 09:00:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:48,372 INFO L93 Difference]: Finished difference Result 311 states and 401 transitions. [2019-10-22 09:00:48,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:48,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-10-22 09:00:48,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:48,375 INFO L225 Difference]: With dead ends: 311 [2019-10-22 09:00:48,375 INFO L226 Difference]: Without dead ends: 309 [2019-10-22 09:00:48,375 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-10-22 09:00:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2019-10-22 09:00:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-22 09:00:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 292 transitions. [2019-10-22 09:00:48,397 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 292 transitions. Word has length 56 [2019-10-22 09:00:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:48,397 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 292 transitions. [2019-10-22 09:00:48,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2019-10-22 09:00:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-22 09:00:48,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:48,398 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:48,599 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:48,600 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:48,600 INFO L82 PathProgramCache]: Analyzing trace with hash 350790393, now seen corresponding path program 1 times [2019-10-22 09:00:48,600 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:48,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129170500] [2019-10-22 09:00:48,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,600 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:48,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:00:48,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129170500] [2019-10-22 09:00:48,659 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230883152] [2019-10-22 09:00:48,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/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 [2019-10-22 09:00:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:48,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 09:00:48,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:00:48,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:00:48,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-10-22 09:00:48,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797304476] [2019-10-22 09:00:48,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:48,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:48,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:48,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:48,834 INFO L87 Difference]: Start difference. First operand 224 states and 292 transitions. Second operand 6 states. [2019-10-22 09:00:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:49,005 INFO L93 Difference]: Finished difference Result 523 states and 678 transitions. [2019-10-22 09:00:49,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:49,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-22 09:00:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:49,005 INFO L225 Difference]: With dead ends: 523 [2019-10-22 09:00:49,005 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:49,006 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-10-22 09:00:49,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:49,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:49,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2019-10-22 09:00:49,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:49,007 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:49,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:49,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:49,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:49,207 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:49,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:49,557 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 121 [2019-10-22 09:00:49,703 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-10-22 09:00:50,114 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2019-10-22 09:00:50,357 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 135 [2019-10-22 09:00:50,763 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 116 [2019-10-22 09:00:50,887 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 130 [2019-10-22 09:00:51,523 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 20 [2019-10-22 09:00:51,759 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2019-10-22 09:00:52,435 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2019-10-22 09:00:52,935 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 20 [2019-10-22 09:00:53,190 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-10-22 09:00:53,482 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-10-22 09:00:54,068 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 15 [2019-10-22 09:00:54,288 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 16 [2019-10-22 09:00:54,448 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2019-10-22 09:00:54,449 INFO L439 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: false [2019-10-22 09:00:54,450 INFO L439 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2) (and (and .cse1 .cse3 .cse2) .cse0))) [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2019-10-22 09:00:54,450 INFO L439 ceAbstractionStarter]: At program point L665-1(lines 665 671) the Hoare annotation is: false [2019-10-22 09:00:54,450 INFO L439 ceAbstractionStarter]: At program point L665-2(lines 665 671) the Hoare annotation is: false [2019-10-22 09:00:54,450 INFO L446 ceAbstractionStarter]: At program point L632-1(lines 632 639) the Hoare annotation is: true [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,450 INFO L443 ceAbstractionStarter]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L439 ceAbstractionStarter]: At program point L932-1(lines 932 938) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L835-3(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,451 INFO L443 ceAbstractionStarter]: For program point L835-5(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-6(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-8(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-9(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-11(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-12(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-14(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-15(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L443 ceAbstractionStarter]: For program point L835-17(lines 835 839) no Hoare annotation was computed. [2019-10-22 09:00:54,452 INFO L439 ceAbstractionStarter]: At program point L869(lines 864 871) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:00:54,453 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539(lines 530 543) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= 1 ~methaneLevelCritical~0) .cse1) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539-3(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L539-5(lines 530 543) the Hoare annotation is: false [2019-10-22 09:00:54,453 INFO L439 ceAbstractionStarter]: At program point L606(lines 602 608) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:00:54,454 INFO L446 ceAbstractionStarter]: At program point L641(lines 622 644) the Hoare annotation is: true [2019-10-22 09:00:54,454 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,454 INFO L439 ceAbstractionStarter]: At program point L841(lines 826 844) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:54,454 INFO L439 ceAbstractionStarter]: At program point L841-1(lines 826 844) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (and .cse0 (and .cse1 .cse2)) (= 1 ~methaneLevelCritical~0)) (and (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2) .cse0))) [2019-10-22 09:00:54,454 INFO L439 ceAbstractionStarter]: At program point L841-2(lines 826 844) the Hoare annotation is: false [2019-10-22 09:00:54,454 INFO L439 ceAbstractionStarter]: At program point L841-3(lines 826 844) the Hoare annotation is: false [2019-10-22 09:00:54,455 INFO L439 ceAbstractionStarter]: At program point L841-4(lines 826 844) the Hoare annotation is: false [2019-10-22 09:00:54,455 INFO L439 ceAbstractionStarter]: At program point L841-5(lines 826 844) the Hoare annotation is: false [2019-10-22 09:00:54,455 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2019-10-22 09:00:54,455 INFO L439 ceAbstractionStarter]: At program point L777(lines 770 780) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 09:00:54,455 INFO L439 ceAbstractionStarter]: At program point L777-1(lines 770 780) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-2(lines 770 780) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0))) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2))) [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-3(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-4(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-5(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-6(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-7(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L439 ceAbstractionStarter]: At program point L777-8(lines 770 780) the Hoare annotation is: false [2019-10-22 09:00:54,456 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2019-10-22 09:00:54,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L439 ceAbstractionStarter]: At program point L880-1(lines 1 967) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and (and .cse0 .cse4 .cse1 .cse2) .cse3) (and .cse0 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3))) [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 897) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L439 ceAbstractionStarter]: At program point L880-3(lines 1 967) the Hoare annotation is: false [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L880-4(lines 880 897) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L439 ceAbstractionStarter]: At program point L880-5(lines 1 967) the Hoare annotation is: false [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2019-10-22 09:00:54,457 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 716 733) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L716-2(lines 716 733) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L439 ceAbstractionStarter]: At program point L950-2(lines 658 664) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L884-2(lines 884 894) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,458 INFO L443 ceAbstractionStarter]: For program point L884-4(lines 884 894) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L752-4(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L752-6(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L752-8(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L752-10(lines 752 758) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L885-2(lines 885 891) no Hoare annotation was computed. [2019-10-22 09:00:54,459 INFO L439 ceAbstractionStarter]: At program point L786(lines 781 789) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-10-22 09:00:54,459 INFO L439 ceAbstractionStarter]: At program point L786-1(lines 781 789) the Hoare annotation is: false [2019-10-22 09:00:54,459 INFO L443 ceAbstractionStarter]: For program point L885-4(lines 885 891) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L439 ceAbstractionStarter]: At program point L786-2(lines 781 789) the Hoare annotation is: false [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 728) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L439 ceAbstractionStarter]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,460 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L690-2(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L690-3(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L690-4(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L690-5(lines 690 707) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-22 09:00:54,461 INFO L439 ceAbstractionStarter]: At program point L922-1(lines 922 928) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and (and .cse0 .cse4 .cse1 .cse2) .cse3) (and .cse0 .cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8 0) .cse2 .cse3))) [2019-10-22 09:00:54,461 INFO L439 ceAbstractionStarter]: At program point L658(lines 657 676) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse2 .cse3)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and (and (= ~pumpRunning~0 0) .cse0) .cse1) (and .cse2 (= 0 ~methaneLevelCritical~0) .cse3) (and (and .cse0 .cse1) (= 0 ~methAndRunningLastTime~0))))) [2019-10-22 09:00:54,461 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 658 664) no Hoare annotation was computed. [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L658-2(lines 657 676) the Hoare annotation is: false [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L658-3(lines 657 676) the Hoare annotation is: false [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (and .cse0 .cse1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0)))) [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494-2(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and (and (and .cse0 .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494-3(lines 489 497) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (= 1 ~methaneLevelCritical~0))))) [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,462 INFO L439 ceAbstractionStarter]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-6(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-7(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-8(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-9(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-10(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L494-11(lines 489 497) the Hoare annotation is: false [2019-10-22 09:00:54,463 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 09:00:54,463 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:54,463 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L858-1(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L858-2(line 858) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 658 664) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694-1(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694-2(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694-3(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694-4(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,464 INFO L443 ceAbstractionStarter]: For program point L694-5(lines 694 702) no Hoare annotation was computed. [2019-10-22 09:00:54,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:54 BoogieIcfgContainer [2019-10-22 09:00:54,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:54,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:54,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:54,510 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:54,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:45" (3/4) ... [2019-10-22 09:00:54,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:54,537 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:54,538 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:54,539 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:54,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:54,540 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:54,541 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:54,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 09:00:54,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 09:00:54,572 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 09:00:54,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 09:00:54,573 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) [2019-10-22 09:00:54,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 09:00:54,574 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-10-22 09:00:54,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:54,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) [2019-10-22 09:00:54,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:54,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 <= \result && 1 <= \result) && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:54,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:54,578 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:54,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c9584c27-99ef-43e0-809a-b15a64dde43c/bin/uautomizer/witness.graphml [2019-10-22 09:00:54,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:54,639 INFO L168 Benchmark]: Toolchain (without parser) took 10703.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 356.5 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -292.6 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,640 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:54,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.00 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. [2019-10-22 09:00:54,640 INFO L168 Benchmark]: Boogie Preprocessor took 75.97 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. [2019-10-22 09:00:54,641 INFO L168 Benchmark]: RCFGBuilder took 1023.60 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,641 INFO L168 Benchmark]: TraceAbstraction took 8848.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -232.6 MB). Peak memory consumption was 317.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,641 INFO L168 Benchmark]: Witness Printer took 128.97 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:54,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.00 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 75.97 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 1023.60 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8848.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -232.6 MB). Peak memory consumption was 317.5 MB. Max. memory is 11.5 GB. * Witness Printer took 128.97 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 858]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 858]: 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: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 932]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || (1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 0 == methAndRunningLastTime) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: ((1 <= \result && 1 <= \result) && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || (((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == methAndRunningLastTime) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 133 locations, 3 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, HoareTripleCheckerStatistics: 1345 SDtfs, 1790 SDslu, 2652 SDs, 0 SdLazy, 426 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1279 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 202 NumberOfFragments, 663 HoareAnnotationTreeSize, 56 FomulaSimplifications, 731753 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 451375 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 561 NumberOfCodeBlocks, 561 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 42243 SizeOfPredicates, 6 NumberOfNonLiveVariables, 912 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 124/128 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...