./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.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_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:01:26,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:26,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:26,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:26,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:26,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:26,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:26,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:26,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:26,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:26,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:26,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:26,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:26,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:26,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:26,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:26,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:26,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:26,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:26,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:26,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:26,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:26,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:26,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:26,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:26,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:26,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:26,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:26,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:26,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:26,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:26,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:26,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:26,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:26,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:26,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:26,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:26,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:26,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:26,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:26,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:26,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:26,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:26,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:26,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:26,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:26,819 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:26,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:26,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:26,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:26,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:26,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:26,822 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:26,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:26,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:26,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:26,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:26,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:26,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:26,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:26,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:26,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:26,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:26,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:26,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:26,826 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_c517a9e9-fb54-40ec-add9-27d9d792f94a/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2019-10-22 09:01:26,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:26,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:26,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:26,886 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:26,886 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:26,887 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-10-22 09:01:26,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/data/24a533e11/fe91630ee13c49518659a816ed3681e0/FLAG1d3287e03 [2019-10-22 09:01:27,358 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:27,359 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2019-10-22 09:01:27,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/data/24a533e11/fe91630ee13c49518659a816ed3681e0/FLAG1d3287e03 [2019-10-22 09:01:27,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/data/24a533e11/fe91630ee13c49518659a816ed3681e0 [2019-10-22 09:01:27,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:27,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:27,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:27,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:27,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:27,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:27,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fae0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27, skipping insertion in model container [2019-10-22 09:01:27,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:27,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:27,441 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:27,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:27,823 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:27,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:27,994 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27 WrapperNode [2019-10-22 09:01:27,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:27,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:27,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:27,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:28,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:28,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:28,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:28,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:28,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... [2019-10-22 09:01:28,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:28,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:28,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:28,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:28,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/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 09:01:28,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:28,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:29,130 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:29,130 INFO L284 CfgBuilder]: Removed 162 assume(true) statements. [2019-10-22 09:01:29,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:29 BoogieIcfgContainer [2019-10-22 09:01:29,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:29,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:29,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:29,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:29,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:27" (1/3) ... [2019-10-22 09:01:29,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46502dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:29, skipping insertion in model container [2019-10-22 09:01:29,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:27" (2/3) ... [2019-10-22 09:01:29,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46502dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:29, skipping insertion in model container [2019-10-22 09:01:29,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:29" (3/3) ... [2019-10-22 09:01:29,139 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2019-10-22 09:01:29,149 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:29,156 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:01:29,167 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:01:29,199 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:29,199 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:29,199 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:29,199 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:29,200 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:29,200 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:29,200 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:29,200 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-10-22 09:01:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 09:01:29,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:29,234 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 09:01:29,236 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:29,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:29,245 INFO L82 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2019-10-22 09:01:29,253 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:29,255 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389595328] [2019-10-22 09:01:29,255 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,256 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:29,480 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 09:01:29,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389595328] [2019-10-22 09:01:29,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:29,481 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:29,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859809382] [2019-10-22 09:01:29,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:01:29,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:29,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:01:29,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:01:29,496 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-10-22 09:01:29,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:29,527 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-10-22 09:01:29,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:01:29,529 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 09:01:29,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:29,538 INFO L225 Difference]: With dead ends: 228 [2019-10-22 09:01:29,538 INFO L226 Difference]: Without dead ends: 113 [2019-10-22 09:01:29,541 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 09:01:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-22 09:01:29,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-22 09:01:29,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-22 09:01:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-10-22 09:01:29,582 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-10-22 09:01:29,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:29,583 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-10-22 09:01:29,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:01:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-10-22 09:01:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:01:29,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:29,584 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 09:01:29,584 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:29,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2019-10-22 09:01:29,585 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:29,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986231349] [2019-10-22 09:01:29,585 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,586 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:29,662 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 09:01:29,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986231349] [2019-10-22 09:01:29,662 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:29,662 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:29,663 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948921117] [2019-10-22 09:01:29,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:29,664 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:29,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:29,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:29,665 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-10-22 09:01:29,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:29,677 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-10-22 09:01:29,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:29,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 09:01:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:29,678 INFO L225 Difference]: With dead ends: 113 [2019-10-22 09:01:29,678 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 09:01:29,679 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 09:01:29,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 09:01:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 09:01:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 09:01:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-10-22 09:01:29,685 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-10-22 09:01:29,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:29,685 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-10-22 09:01:29,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-10-22 09:01:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:01:29,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:29,686 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 09:01:29,687 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:29,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:29,687 INFO L82 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2019-10-22 09:01:29,687 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:29,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184853261] [2019-10-22 09:01:29,687 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,688 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:29,790 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 09:01:29,790 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184853261] [2019-10-22 09:01:29,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:29,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:29,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620978893] [2019-10-22 09:01:29,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:29,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:29,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:29,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:29,792 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 6 states. [2019-10-22 09:01:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:29,897 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-10-22 09:01:29,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:29,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 09:01:29,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:29,898 INFO L225 Difference]: With dead ends: 88 [2019-10-22 09:01:29,898 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 09:01:29,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:29,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 09:01:29,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-10-22 09:01:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-22 09:01:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-10-22 09:01:29,906 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-10-22 09:01:29,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:29,906 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-10-22 09:01:29,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-10-22 09:01:29,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:01:29,908 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:29,908 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 09:01:29,908 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:29,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:29,909 INFO L82 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2019-10-22 09:01:29,909 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:29,909 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318706428] [2019-10-22 09:01:29,909 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,910 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:29,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:30,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318706428] [2019-10-22 09:01:30,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:30,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:01:30,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624811701] [2019-10-22 09:01:30,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:30,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:30,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:30,020 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-10-22 09:01:30,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:30,077 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-10-22 09:01:30,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:30,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 09:01:30,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:30,080 INFO L225 Difference]: With dead ends: 111 [2019-10-22 09:01:30,080 INFO L226 Difference]: Without dead ends: 70 [2019-10-22 09:01:30,080 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 09:01:30,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-22 09:01:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-10-22 09:01:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-10-22 09:01:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-10-22 09:01:30,096 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-10-22 09:01:30,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:30,097 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-10-22 09:01:30,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-10-22 09:01:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:01:30,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:30,098 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 09:01:30,098 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:30,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:30,099 INFO L82 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2019-10-22 09:01:30,099 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:30,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180109782] [2019-10-22 09:01:30,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:30,225 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 09:01:30,225 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180109782] [2019-10-22 09:01:30,225 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:30,225 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:30,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014645800] [2019-10-22 09:01:30,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:30,226 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:30,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:30,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:30,227 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-10-22 09:01:30,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:30,308 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-10-22 09:01:30,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:01:30,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 09:01:30,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:30,310 INFO L225 Difference]: With dead ends: 183 [2019-10-22 09:01:30,311 INFO L226 Difference]: Without dead ends: 121 [2019-10-22 09:01:30,311 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 09:01:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-22 09:01:30,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-10-22 09:01:30,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-22 09:01:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-10-22 09:01:30,322 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-10-22 09:01:30,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:30,323 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-10-22 09:01:30,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-10-22 09:01:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 09:01:30,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:30,324 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 09:01:30,324 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:30,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:30,325 INFO L82 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2019-10-22 09:01:30,325 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:30,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607083276] [2019-10-22 09:01:30,325 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:30,404 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 09:01:30,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607083276] [2019-10-22 09:01:30,405 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:30,405 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:30,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418461] [2019-10-22 09:01:30,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:30,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:30,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:30,408 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-10-22 09:01:30,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:30,583 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-10-22 09:01:30,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:01:30,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 09:01:30,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:30,586 INFO L225 Difference]: With dead ends: 373 [2019-10-22 09:01:30,588 INFO L226 Difference]: Without dead ends: 305 [2019-10-22 09:01:30,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:30,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-10-22 09:01:30,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-10-22 09:01:30,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-22 09:01:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-10-22 09:01:30,626 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-10-22 09:01:30,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:30,627 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-10-22 09:01:30,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-10-22 09:01:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:01:30,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:30,628 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 09:01:30,629 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:30,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2019-10-22 09:01:30,629 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:30,630 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672712341] [2019-10-22 09:01:30,630 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,632 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:30,723 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 09:01:30,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672712341] [2019-10-22 09:01:30,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:30,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:30,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272064842] [2019-10-22 09:01:30,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:30,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:30,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:30,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:30,726 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-10-22 09:01:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:30,937 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-10-22 09:01:30,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:01:30,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 09:01:30,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:30,940 INFO L225 Difference]: With dead ends: 628 [2019-10-22 09:01:30,940 INFO L226 Difference]: Without dead ends: 560 [2019-10-22 09:01:30,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:30,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-22 09:01:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-10-22 09:01:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-10-22 09:01:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-10-22 09:01:30,975 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-10-22 09:01:30,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:30,976 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-10-22 09:01:30,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:30,976 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-10-22 09:01:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:01:30,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:30,980 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 09:01:30,980 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:30,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:30,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2019-10-22 09:01:30,981 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:30,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070355086] [2019-10-22 09:01:30,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,981 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:30,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:31,038 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 09:01:31,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070355086] [2019-10-22 09:01:31,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:31,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:31,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302256701] [2019-10-22 09:01:31,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:31,040 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:31,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:31,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:31,040 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-10-22 09:01:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:31,091 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-10-22 09:01:31,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:31,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-10-22 09:01:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:31,093 INFO L225 Difference]: With dead ends: 448 [2019-10-22 09:01:31,093 INFO L226 Difference]: Without dead ends: 318 [2019-10-22 09:01:31,094 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 09:01:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-10-22 09:01:31,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-10-22 09:01:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-10-22 09:01:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-10-22 09:01:31,110 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-10-22 09:01:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:31,110 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-10-22 09:01:31,110 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-10-22 09:01:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:01:31,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:31,112 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 09:01:31,112 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:31,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:31,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2019-10-22 09:01:31,112 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:31,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425170576] [2019-10-22 09:01:31,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,113 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:31,195 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 09:01:31,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425170576] [2019-10-22 09:01:31,196 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:31,196 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:01:31,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838761792] [2019-10-22 09:01:31,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:01:31,197 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:31,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:01:31,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:31,197 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 7 states. [2019-10-22 09:01:31,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:31,425 INFO L93 Difference]: Finished difference Result 494 states and 680 transitions. [2019-10-22 09:01:31,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:01:31,426 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 09:01:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:31,427 INFO L225 Difference]: With dead ends: 494 [2019-10-22 09:01:31,428 INFO L226 Difference]: Without dead ends: 325 [2019-10-22 09:01:31,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-10-22 09:01:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-10-22 09:01:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 160. [2019-10-22 09:01:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-22 09:01:31,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-10-22 09:01:31,452 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-10-22 09:01:31,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:31,454 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-10-22 09:01:31,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:01:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-10-22 09:01:31,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 09:01:31,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:31,455 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 09:01:31,455 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:31,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:31,456 INFO L82 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2019-10-22 09:01:31,456 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:31,456 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469106546] [2019-10-22 09:01:31,456 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,456 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:31,528 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 09:01:31,528 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469106546] [2019-10-22 09:01:31,528 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:31,529 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:01:31,529 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950770480] [2019-10-22 09:01:31,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:01:31,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:31,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:01:31,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:31,530 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 7 states. [2019-10-22 09:01:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:31,637 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-10-22 09:01:31,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:01:31,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 09:01:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:31,639 INFO L225 Difference]: With dead ends: 434 [2019-10-22 09:01:31,639 INFO L226 Difference]: Without dead ends: 280 [2019-10-22 09:01:31,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:01:31,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-10-22 09:01:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-10-22 09:01:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-22 09:01:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-10-22 09:01:31,663 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-10-22 09:01:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:31,663 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-10-22 09:01:31,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:01:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-10-22 09:01:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-22 09:01:31,664 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:31,664 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:31,665 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:31,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:31,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2019-10-22 09:01:31,666 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:31,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842788089] [2019-10-22 09:01:31,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:31,724 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 09:01:31,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842788089] [2019-10-22 09:01:31,725 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:31,725 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:31,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121323268] [2019-10-22 09:01:31,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:01:31,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:31,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:01:31,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:31,726 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-10-22 09:01:31,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:31,868 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-10-22 09:01:31,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:31,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-10-22 09:01:31,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:31,872 INFO L225 Difference]: With dead ends: 822 [2019-10-22 09:01:31,872 INFO L226 Difference]: Without dead ends: 668 [2019-10-22 09:01:31,872 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 09:01:31,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-10-22 09:01:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-10-22 09:01:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-22 09:01:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-10-22 09:01:31,914 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-10-22 09:01:31,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:31,915 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-10-22 09:01:31,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:01:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-10-22 09:01:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 09:01:31,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:31,917 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] [2019-10-22 09:01:31,917 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:31,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:31,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2019-10-22 09:01:31,919 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:31,919 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663223402] [2019-10-22 09:01:31,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,919 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:31,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:31,997 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 09:01:31,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663223402] [2019-10-22 09:01:31,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418768051] [2019-10-22 09:01:31,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/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 09:01:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:32,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 09:01:32,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:32,193 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 09:01:32,195 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:01:32,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-10-22 09:01:32,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551496747] [2019-10-22 09:01:32,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 09:01:32,199 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:32,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 09:01:32,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:01:32,200 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-10-22 09:01:32,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:32,502 INFO L93 Difference]: Finished difference Result 764 states and 965 transitions. [2019-10-22 09:01:32,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:01:32,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-10-22 09:01:32,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:32,505 INFO L225 Difference]: With dead ends: 764 [2019-10-22 09:01:32,505 INFO L226 Difference]: Without dead ends: 458 [2019-10-22 09:01:32,505 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2019-10-22 09:01:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-22 09:01:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 296. [2019-10-22 09:01:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-22 09:01:32,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-10-22 09:01:32,540 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-10-22 09:01:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:32,541 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-10-22 09:01:32,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 09:01:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-10-22 09:01:32,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 09:01:32,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:32,542 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:32,742 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:32,743 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:32,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:32,743 INFO L82 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2019-10-22 09:01:32,744 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:32,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803353118] [2019-10-22 09:01:32,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:32,744 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:32,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:01:32,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803353118] [2019-10-22 09:01:32,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:32,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:32,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811367144] [2019-10-22 09:01:32,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:32,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:32,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:32,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:32,812 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-10-22 09:01:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:32,979 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-10-22 09:01:32,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:01:32,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-22 09:01:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:32,980 INFO L225 Difference]: With dead ends: 737 [2019-10-22 09:01:32,980 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:32,981 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:01:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:32,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-10-22 09:01:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:32,982 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:32,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:32,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:32,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:33,324 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 159 [2019-10-22 09:01:33,852 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 227 [2019-10-22 09:01:34,118 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 103 [2019-10-22 09:01:34,714 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2019-10-22 09:01:35,110 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 217 [2019-10-22 09:01:35,290 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 158 [2019-10-22 09:01:35,901 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 39 [2019-10-22 09:01:37,212 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 224 DAG size of output: 41 [2019-10-22 09:01:37,417 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 36 [2019-10-22 09:01:37,783 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2019-10-22 09:01:38,006 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-10-22 09:01:38,133 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2019-10-22 09:01:38,395 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2019-10-22 09:01:38,935 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 34 [2019-10-22 09:01:39,693 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 34 [2019-10-22 09:01:39,892 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2019-10-22 09:01:40,278 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 48 [2019-10-22 09:01:40,280 INFO L439 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and .cse8 .cse9 .cse10 .cse12 .cse11)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse5 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (let ((.cse0 (and .cse4 (and (and .cse2 .cse8 .cse9 .cse10 .cse11) (not .cse12)) .cse5)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (and .cse3 (<= ~waterLevel~0 1)))) (or (and .cse0 .cse1) (and (and (and .cse2 .cse3) .cse4 .cse5) .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse6 .cse0) (and .cse1 .cse7) (and .cse6 .cse7))))) [2019-10-22 09:01:40,280 INFO L439 ceAbstractionStarter]: At program point L532-1(lines 532 538) the Hoare annotation is: false [2019-10-22 09:01:40,280 INFO L439 ceAbstractionStarter]: At program point L532-2(lines 532 538) the Hoare annotation is: false [2019-10-22 09:01:40,281 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,281 INFO L439 ceAbstractionStarter]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:40,281 INFO L439 ceAbstractionStarter]: At program point L929(lines 924 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:40,281 INFO L446 ceAbstractionStarter]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-10-22 09:01:40,281 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2019-10-22 09:01:40,281 INFO L443 ceAbstractionStarter]: For program point L768-3(lines 768 772) no Hoare annotation was computed. [2019-10-22 09:01:40,281 INFO L439 ceAbstractionStarter]: At program point L636(lines 631 639) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 0 ~methaneLevelCritical~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ULTIMATE.start_main_~tmp~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) (not (= ~pumpRunning~0 0)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:01:40,281 INFO L439 ceAbstractionStarter]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2019-10-22 09:01:40,281 INFO L443 ceAbstractionStarter]: For program point L768-6(lines 768 772) no Hoare annotation was computed. [2019-10-22 09:01:40,281 INFO L439 ceAbstractionStarter]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,282 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L837(lines 832 840) the Hoare annotation is: (let ((.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8))) (or (and .cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 .cse2 (not .cse3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse4 .cse5 .cse6) (and (and (and (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse4 .cse3 .cse6) .cse2) .cse0 .cse1 .cse5))) [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L837-1(lines 832 840) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L837-2(lines 832 840) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805(lines 800 808) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (not (= ~pumpRunning~0 0))) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0))) [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805-1(lines 800 808) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse12 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse6 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse8 (and (= 1 ~systemActive~0) .cse10 .cse11 .cse13 .cse12))) (let ((.cse0 (and (<= ~waterLevel~0 1) .cse8)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (and (and (and .cse7 .cse10 .cse11 .cse12) (not .cse13)) .cse6 (= 1 ULTIMATE.start_main_~tmp~0) .cse9)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse5 .cse3 .cse4) (and (and .cse6 (and .cse7 .cse8) .cse9) .cse1 .cse2) (and .cse5 .cse1 .cse2))))) [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805-2(lines 800 808) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805-3(lines 800 808) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805-4(lines 800 808) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L439 ceAbstractionStarter]: At program point L805-5(lines 800 808) the Hoare annotation is: false [2019-10-22 09:01:40,282 INFO L443 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L874-2(lines 874 894) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L874-4(lines 874 894) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L742-2(lines 525 531) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L439 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845-1(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845-2(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845-3(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845-4(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L845-5(lines 845 851) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-22 09:01:40,283 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L439 ceAbstractionStarter]: At program point L880-1(lines 1 932) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse15 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse16 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse14 (and .cse1 .cse2 .cse3 .cse4 .cse5))) (let ((.cse8 (and (<= ~waterLevel~0 1) .cse14)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse10 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse11 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (and (and (and .cse13 .cse1 .cse2 .cse3 .cse5) (not .cse4)) .cse15 .cse16)) (.cse6 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 (and .cse1 .cse2 (= 1 ~waterLevel~0) .cse3 .cse4 .cse5)) (and .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse12) (and .cse8 .cse0 .cse10 .cse11) (and .cse6 .cse7 (and (and .cse13 .cse14) .cse15 .cse16) .cse9) (and .cse12 .cse6 .cse7 .cse9))))) [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 893) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L439 ceAbstractionStarter]: At program point L880-3(lines 1 932) the Hoare annotation is: false [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L880-4(lines 880 893) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L439 ceAbstractionStarter]: At program point L880-5(lines 1 932) the Hoare annotation is: false [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 583 600) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L583-2(lines 583 600) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L439 ceAbstractionStarter]: At program point L716-1(lines 716 722) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 .cse7 .cse8 .cse10 .cse9)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse6 .cse7 .cse8 .cse9) (not .cse10)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (and .cse5 .cse2 .cse3 .cse4)))) [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 525 531) no Hoare annotation was computed. [2019-10-22 09:01:40,284 INFO L439 ceAbstractionStarter]: At program point L850(lines 841 854) the Hoare annotation is: false [2019-10-22 09:01:40,285 INFO L439 ceAbstractionStarter]: At program point L850-1(lines 841 854) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (and .cse4 (= 1 ULTIMATE.start_main_~tmp~0) (<= ~waterLevel~0 1) .cse5 .cse6 .cse7)) (.cse3 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 1 ~systemActive~0) .cse4 .cse5 .cse6 .cse7)) (.cse0 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse2 .cse1) (and .cse3 .cse0)))) [2019-10-22 09:01:40,285 INFO L439 ceAbstractionStarter]: At program point L850-2(lines 841 854) the Hoare annotation is: false [2019-10-22 09:01:40,285 INFO L439 ceAbstractionStarter]: At program point L850-3(lines 841 854) the Hoare annotation is: false [2019-10-22 09:01:40,285 INFO L439 ceAbstractionStarter]: At program point L850-4(lines 841 854) the Hoare annotation is: false [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L439 ceAbstractionStarter]: At program point L850-5(lines 841 854) the Hoare annotation is: false [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-3(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-5(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-6(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-8(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-9(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-11(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-12(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:40,285 INFO L443 ceAbstractionStarter]: For program point L685-14(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,286 INFO L443 ceAbstractionStarter]: For program point L685-15(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,286 INFO L443 ceAbstractionStarter]: For program point L685-17(lines 685 689) no Hoare annotation was computed. [2019-10-22 09:01:40,286 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2019-10-22 09:01:40,286 INFO L443 ceAbstractionStarter]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2019-10-22 09:01:40,286 INFO L439 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: false [2019-10-22 09:01:40,286 INFO L443 ceAbstractionStarter]: For program point L884-4(lines 884 890) no Hoare annotation was computed. [2019-10-22 09:01:40,288 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2019-10-22 09:01:40,288 INFO L443 ceAbstractionStarter]: For program point L587-1(lines 587 595) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L587-2(lines 587 595) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557-2(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557-3(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557-4(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L557-5(lines 557 574) no Hoare annotation was computed. [2019-10-22 09:01:40,289 INFO L439 ceAbstractionStarter]: At program point L921(lines 1 932) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:01:40,289 INFO L439 ceAbstractionStarter]: At program point L525(lines 524 543) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse5 .cse6 .cse8) (not .cse7)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (and (= 1 ~systemActive~0) .cse5 .cse6 .cse7 .cse8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse4 .cse1) (and .cse3 .cse0)))) [2019-10-22 09:01:40,289 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L525-2(lines 524 543) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L525-3(lines 524 543) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691(lines 676 694) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691-1(lines 676 694) the Hoare annotation is: (let ((.cse9 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6)) (.cse2 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse15 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (.cse10 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse8 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse15 .cse10 .cse11 .cse8 .cse12 .cse13 .cse14)) (.cse5 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse9 .cse10 .cse2 .cse12 .cse13 .cse14)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (not .cse15)) (.cse7 (and .cse9 (= 1 ~systemActive~0) .cse10 .cse11 .cse12 .cse13 .cse14)) (.cse6 (not .cse8))) (or (and .cse0 (and .cse1 .cse2)) (and .cse1 .cse3 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and (and .cse4 .cse7 .cse6) .cse0) (and (and .cse4 .cse5 .cse6) .cse0) (and .cse3 .cse4 .cse7 .cse6)))) [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691-2(lines 676 694) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691-3(lines 676 694) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691-4(lines 676 694) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L439 ceAbstractionStarter]: At program point L691-5(lines 676 694) the Hoare annotation is: false [2019-10-22 09:01:40,290 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-22 09:01:40,290 INFO L446 ceAbstractionStarter]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-10-22 09:01:40,291 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:40,291 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 796) no Hoare annotation was computed. [2019-10-22 09:01:40,291 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-22 09:01:40,291 INFO L439 ceAbstractionStarter]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) .cse5 .cse6 .cse8) (not .cse7)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (.cse4 (= 1 ULTIMATE.start_main_~tmp~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (and (= 1 ~systemActive~0) .cse5 .cse6 .cse7 .cse8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse4 .cse1) (and .cse3 .cse0)))) [2019-10-22 09:01:40,291 INFO L439 ceAbstractionStarter]: At program point L627(lines 620 630) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and (and (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~6) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (not (= ~pumpRunning~0 0))) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))))) (or (and (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2019-10-22 09:01:40,291 INFO L439 ceAbstractionStarter]: At program point L627-1(lines 620 630) the Hoare annotation is: false [2019-10-22 09:01:40,292 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,292 INFO L439 ceAbstractionStarter]: At program point L627-2(lines 620 630) the Hoare annotation is: false [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L561-3(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L561-4(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L561-5(lines 561 569) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,293 INFO L443 ceAbstractionStarter]: For program point L860-2(line 860) no Hoare annotation was computed. [2019-10-22 09:01:40,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:40 BoogieIcfgContainer [2019-10-22 09:01:40,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:40,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:40,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:40,354 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:40,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:29" (3/4) ... [2019-10-22 09:01:40,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:40,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:01:40,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:01:40,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:01:40,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 09:01:40,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:40,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:01:40,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:01:40,414 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:01:40,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= methaneLevelCritical) && waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0))) || ((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp)) || (((1 <= tmp && 1 <= methaneLevelCritical) && ((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= \result)) || ((((((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-10-22 09:01:40,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == tmp)) || (((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-10-22 09:01:40,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:01:40,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:01:40,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) || (((((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (0 == methaneLevelCritical && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (1 <= methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1)) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) [2019-10-22 09:01:40,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || (((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 0 == \result)) || ((((!(0 == \result) && 0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-10-22 09:01:40,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) || ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) [2019-10-22 09:01:40,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) [2019-10-22 09:01:40,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (0 == methaneLevelCritical && ((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) [2019-10-22 09:01:40,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && !(0 == \result)) && 0 == \result) && 1 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == systemActive) && 0 == tmp) && \result == systemActive) && 0 == tmp) && 0 == splverifierCounter) || (((((((((tmp == systemActive && waterLevel <= 1) && !(\result == 2)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) [2019-10-22 09:01:40,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && ((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) || ((((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == tmp)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((!(0 == \result) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((!(0 == \result) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) [2019-10-22 09:01:40,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter [2019-10-22 09:01:40,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c517a9e9-fb54-40ec-add9-27d9d792f94a/bin/uautomizer/witness.graphml [2019-10-22 09:01:40,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:40,488 INFO L168 Benchmark]: Toolchain (without parser) took 13104.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,488 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:40,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,491 INFO L168 Benchmark]: Boogie Preprocessor took 81.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,491 INFO L168 Benchmark]: RCFGBuilder took 980.46 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,491 INFO L168 Benchmark]: TraceAbstraction took 11221.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.3 MB). Peak memory consumption was 392.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,491 INFO L168 Benchmark]: Witness Printer took 132.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:40,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -186.3 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 980.46 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11221.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.3 MB). Peak memory consumption was 392.3 MB. Max. memory is 11.5 GB. * Witness Printer took 132.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 860]: 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: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == tmp)) || (((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) || (((((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (0 == methaneLevelCritical && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0))) || (1 <= methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1)) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 1) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) || ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && ((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) || ((((((((0 == \result && tmp == systemActive) && waterLevel <= 1) && 0 == tmp___0) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 1 == tmp)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || (((!(0 == \result) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((!(0 == \result) && (((((\result == 0 && 0 == tmp) && tmp == systemActive) && 1 == tmp) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && (((((0 == tmp && 1 == systemActive) && tmp == systemActive) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && 0 == tmp) && 0 == methaneLevelCritical) && !(\result == 0)) && !(0 == \result)) && 0 == \result) && 1 == tmp) && \result == systemActive) && 0 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == splverifierCounter - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: (((1 <= methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (0 == methaneLevelCritical && ((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && ((((tmp == systemActive && 1 == tmp) && waterLevel <= 1) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((\result == 0 && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && !(0 == \result)) && 0 == \result) && 1 == tmp) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == systemActive) && 0 == tmp) && \result == systemActive) && 0 == tmp) && 0 == splverifierCounter) || (((((((((tmp == systemActive && waterLevel <= 1) && !(\result == 2)) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == tmp) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 <= \result) || (((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 0 == \result)) || ((((!(0 == \result) && 0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result)) || (((((((((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && 1 == tmp) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((0 == methaneLevelCritical && tmp == systemActive) && 1 == waterLevel) && 1 == tmp) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 0 == methaneLevelCritical) && 1 == tmp)) || ((((!(0 == \result) && (((0 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 == tmp) && 1 <= methaneLevelCritical)) || (0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((((!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) && 1 <= methaneLevelCritical) && 1 <= \result) || ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && ((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == tmp___0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= methaneLevelCritical) && waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0))) || ((((waterLevel <= 1 && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp)) || (((1 <= tmp && 1 <= methaneLevelCritical) && ((0 == tmp && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= \result)) || ((((((((((0 == tmp && 1 == systemActive) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && !(0 == \result)) && !(0 == tmp___0)) && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 11.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, HoareTripleCheckerStatistics: 1355 SDtfs, 2324 SDslu, 2587 SDs, 0 SdLazy, 404 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred 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, 13 MinimizatonAttempts, 1558 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 230 NumberOfFragments, 1502 HoareAnnotationTreeSize, 45 FomulaSimplifications, 3440105 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 925569 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 39921 SizeOfPredicates, 4 NumberOfNonLiveVariables, 407 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 54/58 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...