./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.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_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:33,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:33,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:33,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:33,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:33,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:33,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:33,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:33,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:33,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:33,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:33,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:33,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:33,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:33,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:33,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:33,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:33,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:33,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:33,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:33,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:33,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:33,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:33,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:33,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:33,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:33,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:33,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:33,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:33,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:33,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:33,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:33,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:33,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:33,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:33,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:33,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:33,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:33,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:33,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:33,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:33,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:33,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:33,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:33,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:33,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:33,058 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:33,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:33,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:33,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:33,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:33,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:33,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:33,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:33,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:33,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:33,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:33,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:33,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:33,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:33,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:33,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:33,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:33,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:33,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:33,062 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_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2019-10-22 09:00:33,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:33,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:33,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:33,099 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:33,099 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:33,100 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-10-22 09:00:33,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/data/8946a2055/7344b91011524207ac95ac76c8ecc200/FLAG23523b515 [2019-10-22 09:00:33,545 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:33,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2019-10-22 09:00:33,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/data/8946a2055/7344b91011524207ac95ac76c8ecc200/FLAG23523b515 [2019-10-22 09:00:33,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/data/8946a2055/7344b91011524207ac95ac76c8ecc200 [2019-10-22 09:00:33,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:33,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:33,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:33,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:33,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:33,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:33" (1/1) ... [2019-10-22 09:00:33,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f289042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:33, skipping insertion in model container [2019-10-22 09:00:33,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:33" (1/1) ... [2019-10-22 09:00:33,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:33,989 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:34,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:34,343 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:34,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:34,474 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:34,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34 WrapperNode [2019-10-22 09:00:34,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:34,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:34,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:34,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:34,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:34,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:34,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:34,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:34,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... [2019-10-22 09:00:34,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:34,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:34,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:34,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:34,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:00:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:00:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:35,457 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:35,457 INFO L284 CfgBuilder]: Removed 196 assume(true) statements. [2019-10-22 09:00:35,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35 BoogieIcfgContainer [2019-10-22 09:00:35,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:35,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:35,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:35,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:35,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:33" (1/3) ... [2019-10-22 09:00:35,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19145ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:35, skipping insertion in model container [2019-10-22 09:00:35,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:34" (2/3) ... [2019-10-22 09:00:35,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19145ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:35, skipping insertion in model container [2019-10-22 09:00:35,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35" (3/3) ... [2019-10-22 09:00:35,466 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2019-10-22 09:00:35,477 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:35,487 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:00:35,497 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:00:35,517 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:35,517 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:35,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:35,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:35,518 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:35,518 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:35,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:35,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:35,533 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-10-22 09:00:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:00:35,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:35,539 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:35,541 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:35,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:35,546 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-10-22 09:00:35,552 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:35,552 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834221487] [2019-10-22 09:00:35,552 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,553 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:35,757 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834221487] [2019-10-22 09:00:35,758 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:35,758 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:35,758 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489501024] [2019-10-22 09:00:35,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:00:35,762 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:35,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:00:35,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:35,775 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-10-22 09:00:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:35,809 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-10-22 09:00:35,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:00:35,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:00:35,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:35,821 INFO L225 Difference]: With dead ends: 268 [2019-10-22 09:00:35,821 INFO L226 Difference]: Without dead ends: 133 [2019-10-22 09:00:35,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:00:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-22 09:00:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-22 09:00:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-22 09:00:35,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-10-22 09:00:35,864 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-10-22 09:00:35,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:35,864 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-10-22 09:00:35,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:00:35,865 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-10-22 09:00:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:00:35,865 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:35,866 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:35,866 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:35,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:35,866 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-10-22 09:00:35,867 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:35,867 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393786587] [2019-10-22 09:00:35,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,867 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,868 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:35,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:35,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393786587] [2019-10-22 09:00:35,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:35,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:35,957 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742039306] [2019-10-22 09:00:35,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:35,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:35,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:35,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:35,959 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-10-22 09:00:35,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:35,976 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-10-22 09:00:35,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:35,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:00:35,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:35,977 INFO L225 Difference]: With dead ends: 133 [2019-10-22 09:00:35,978 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 09:00:35,978 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 09:00:35,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 09:00:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 09:00:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-10-22 09:00:35,983 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-10-22 09:00:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:35,984 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-10-22 09:00:35,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-10-22 09:00:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:00:35,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:35,985 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] [2019-10-22 09:00:35,985 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:35,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-10-22 09:00:35,985 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:35,986 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379209582] [2019-10-22 09:00:35,986 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,986 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:35,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:36,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379209582] [2019-10-22 09:00:36,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:36,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:36,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827075692] [2019-10-22 09:00:36,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:36,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:36,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:36,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:36,063 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-10-22 09:00:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:36,205 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-10-22 09:00:36,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:36,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 09:00:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:36,207 INFO L225 Difference]: With dead ends: 176 [2019-10-22 09:00:36,207 INFO L226 Difference]: Without dead ends: 127 [2019-10-22 09:00:36,207 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 09:00:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-22 09:00:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-10-22 09:00:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-22 09:00:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-10-22 09:00:36,227 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-10-22 09:00:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:36,227 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-10-22 09:00:36,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-10-22 09:00:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:00:36,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:36,229 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,229 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:36,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-10-22 09:00:36,230 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868072800] [2019-10-22 09:00:36,230 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,230 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:36,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868072800] [2019-10-22 09:00:36,320 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:36,320 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:36,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917391409] [2019-10-22 09:00:36,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:36,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:36,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:36,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:36,321 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-10-22 09:00:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:36,377 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-10-22 09:00:36,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:36,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 09:00:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:36,378 INFO L225 Difference]: With dead ends: 163 [2019-10-22 09:00:36,378 INFO L226 Difference]: Without dead ends: 95 [2019-10-22 09:00:36,379 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:36,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-22 09:00:36,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-10-22 09:00:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-10-22 09:00:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-10-22 09:00:36,392 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-10-22 09:00:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:36,393 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-10-22 09:00:36,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-10-22 09:00:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 09:00:36,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:36,394 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] [2019-10-22 09:00:36,394 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:36,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-10-22 09:00:36,394 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,394 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798160865] [2019-10-22 09:00:36,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:36,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:36,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798160865] [2019-10-22 09:00:36,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:36,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:36,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625681899] [2019-10-22 09:00:36,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:36,504 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:36,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:36,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:36,505 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-10-22 09:00:36,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:36,657 INFO L93 Difference]: Finished difference Result 477 states and 692 transitions. [2019-10-22 09:00:36,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:00:36,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 09:00:36,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:36,660 INFO L225 Difference]: With dead ends: 477 [2019-10-22 09:00:36,660 INFO L226 Difference]: Without dead ends: 390 [2019-10-22 09:00:36,661 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:36,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-22 09:00:36,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 172. [2019-10-22 09:00:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 09:00:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 242 transitions. [2019-10-22 09:00:36,704 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 242 transitions. Word has length 25 [2019-10-22 09:00:36,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:36,704 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 242 transitions. [2019-10-22 09:00:36,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 242 transitions. [2019-10-22 09:00:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 09:00:36,706 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:36,707 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,707 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:36,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1188091424, now seen corresponding path program 1 times [2019-10-22 09:00:36,707 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,708 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004776114] [2019-10-22 09:00:36,708 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,708 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:36,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:36,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004776114] [2019-10-22 09:00:36,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:36,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:36,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328692088] [2019-10-22 09:00:36,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:36,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:36,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:36,782 INFO L87 Difference]: Start difference. First operand 172 states and 242 transitions. Second operand 5 states. [2019-10-22 09:00:36,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:36,918 INFO L93 Difference]: Finished difference Result 490 states and 693 transitions. [2019-10-22 09:00:36,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:00:36,919 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 09:00:36,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:36,921 INFO L225 Difference]: With dead ends: 490 [2019-10-22 09:00:36,921 INFO L226 Difference]: Without dead ends: 488 [2019-10-22 09:00:36,922 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:00:36,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-22 09:00:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 172. [2019-10-22 09:00:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-10-22 09:00:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 240 transitions. [2019-10-22 09:00:36,944 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 240 transitions. Word has length 26 [2019-10-22 09:00:36,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:36,944 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 240 transitions. [2019-10-22 09:00:36,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 240 transitions. [2019-10-22 09:00:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:36,947 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:36,947 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:36,947 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:36,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:36,948 INFO L82 PathProgramCache]: Analyzing trace with hash 770731220, now seen corresponding path program 1 times [2019-10-22 09:00:36,948 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:36,948 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736229686] [2019-10-22 09:00:36,948 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,949 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:36,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:37,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736229686] [2019-10-22 09:00:37,010 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:37,010 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:37,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400542531] [2019-10-22 09:00:37,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:37,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:37,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:37,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:37,012 INFO L87 Difference]: Start difference. First operand 172 states and 240 transitions. Second operand 5 states. [2019-10-22 09:00:37,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:37,109 INFO L93 Difference]: Finished difference Result 500 states and 692 transitions. [2019-10-22 09:00:37,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:00:37,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 09:00:37,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:37,110 INFO L225 Difference]: With dead ends: 500 [2019-10-22 09:00:37,111 INFO L226 Difference]: Without dead ends: 334 [2019-10-22 09:00:37,111 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-22 09:00:37,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 184. [2019-10-22 09:00:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-22 09:00:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions. [2019-10-22 09:00:37,130 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 34 [2019-10-22 09:00:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:37,131 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions. [2019-10-22 09:00:37,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:37,132 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions. [2019-10-22 09:00:37,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:37,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:37,133 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,133 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,133 INFO L82 PathProgramCache]: Analyzing trace with hash 183925206, now seen corresponding path program 1 times [2019-10-22 09:00:37,133 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171109828] [2019-10-22 09:00:37,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:37,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171109828] [2019-10-22 09:00:37,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:37,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:37,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520180697] [2019-10-22 09:00:37,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:37,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:37,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:37,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:37,181 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand 4 states. [2019-10-22 09:00:37,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:37,243 INFO L93 Difference]: Finished difference Result 458 states and 624 transitions. [2019-10-22 09:00:37,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:37,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 09:00:37,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:37,248 INFO L225 Difference]: With dead ends: 458 [2019-10-22 09:00:37,248 INFO L226 Difference]: Without dead ends: 280 [2019-10-22 09:00:37,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-10-22 09:00:37,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 192. [2019-10-22 09:00:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-10-22 09:00:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 260 transitions. [2019-10-22 09:00:37,268 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 260 transitions. Word has length 34 [2019-10-22 09:00:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:37,269 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 260 transitions. [2019-10-22 09:00:37,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 260 transitions. [2019-10-22 09:00:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 09:00:37,271 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:37,271 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,271 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:37,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1095938472, now seen corresponding path program 1 times [2019-10-22 09:00:37,272 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832796419] [2019-10-22 09:00:37,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,272 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:37,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:37,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832796419] [2019-10-22 09:00:37,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:37,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:00:37,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699865285] [2019-10-22 09:00:37,307 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:00:37,307 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:37,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:00:37,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:37,308 INFO L87 Difference]: Start difference. First operand 192 states and 260 transitions. Second operand 3 states. [2019-10-22 09:00:37,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:37,345 INFO L93 Difference]: Finished difference Result 466 states and 630 transitions. [2019-10-22 09:00:37,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:00:37,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 09:00:37,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:37,346 INFO L225 Difference]: With dead ends: 466 [2019-10-22 09:00:37,346 INFO L226 Difference]: Without dead ends: 280 [2019-10-22 09:00:37,347 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:00:37,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-10-22 09:00:37,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2019-10-22 09:00:37,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-22 09:00:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 370 transitions. [2019-10-22 09:00:37,372 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 370 transitions. Word has length 34 [2019-10-22 09:00:37,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:37,372 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 370 transitions. [2019-10-22 09:00:37,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:00:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 370 transitions. [2019-10-22 09:00:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 09:00:37,375 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:37,378 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,379 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:37,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,379 INFO L82 PathProgramCache]: Analyzing trace with hash 420497238, now seen corresponding path program 1 times [2019-10-22 09:00:37,379 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562775330] [2019-10-22 09:00:37,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,380 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,380 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:37,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562775330] [2019-10-22 09:00:37,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:37,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:00:37,446 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673861459] [2019-10-22 09:00:37,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:37,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:37,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:37,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:37,447 INFO L87 Difference]: Start difference. First operand 280 states and 370 transitions. Second operand 8 states. [2019-10-22 09:00:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:37,763 INFO L93 Difference]: Finished difference Result 1008 states and 1334 transitions. [2019-10-22 09:00:37,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-22 09:00:37,764 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-10-22 09:00:37,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:37,766 INFO L225 Difference]: With dead ends: 1008 [2019-10-22 09:00:37,766 INFO L226 Difference]: Without dead ends: 734 [2019-10-22 09:00:37,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2019-10-22 09:00:37,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2019-10-22 09:00:37,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 280. [2019-10-22 09:00:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-22 09:00:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 363 transitions. [2019-10-22 09:00:37,796 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 363 transitions. Word has length 35 [2019-10-22 09:00:37,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:37,796 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 363 transitions. [2019-10-22 09:00:37,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:37,797 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 363 transitions. [2019-10-22 09:00:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:00:37,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:37,798 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:37,798 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:37,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash 507471461, now seen corresponding path program 1 times [2019-10-22 09:00:37,798 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:37,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697252109] [2019-10-22 09:00:37,798 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,799 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:37,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:37,868 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697252109] [2019-10-22 09:00:37,868 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:37,868 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:00:37,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957426309] [2019-10-22 09:00:37,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:00:37,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:00:37,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:00:37,869 INFO L87 Difference]: Start difference. First operand 280 states and 363 transitions. Second operand 6 states. [2019-10-22 09:00:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:38,176 INFO L93 Difference]: Finished difference Result 1476 states and 1962 transitions. [2019-10-22 09:00:38,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:00:38,176 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-22 09:00:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:38,181 INFO L225 Difference]: With dead ends: 1476 [2019-10-22 09:00:38,181 INFO L226 Difference]: Without dead ends: 1290 [2019-10-22 09:00:38,182 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2019-10-22 09:00:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 444. [2019-10-22 09:00:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2019-10-22 09:00:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 578 transitions. [2019-10-22 09:00:38,233 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 578 transitions. Word has length 56 [2019-10-22 09:00:38,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:38,233 INFO L462 AbstractCegarLoop]: Abstraction has 444 states and 578 transitions. [2019-10-22 09:00:38,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:00:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 578 transitions. [2019-10-22 09:00:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 09:00:38,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:38,234 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:38,234 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:38,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1208536039, now seen corresponding path program 1 times [2019-10-22 09:00:38,235 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:38,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055638449] [2019-10-22 09:00:38,235 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:38,235 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:38,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:00:38,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055638449] [2019-10-22 09:00:38,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:38,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:38,283 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800037541] [2019-10-22 09:00:38,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:38,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:38,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:38,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:38,284 INFO L87 Difference]: Start difference. First operand 444 states and 578 transitions. Second operand 5 states. [2019-10-22 09:00:38,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:38,384 INFO L93 Difference]: Finished difference Result 1010 states and 1313 transitions. [2019-10-22 09:00:38,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:38,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-22 09:00:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:38,385 INFO L225 Difference]: With dead ends: 1010 [2019-10-22 09:00:38,385 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:38,386 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:00:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:38,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:38,387 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-22 09:00:38,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:38,387 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:38,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:38,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:38,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:38,758 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2019-10-22 09:00:39,632 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2019-10-22 09:00:39,997 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 165 [2019-10-22 09:00:40,220 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2019-10-22 09:00:40,908 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 205 [2019-10-22 09:00:41,350 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2019-10-22 09:00:41,856 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 211 [2019-10-22 09:00:42,340 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 217 [2019-10-22 09:00:42,504 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 146 [2019-10-22 09:00:42,984 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 175 [2019-10-22 09:00:43,138 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2019-10-22 09:00:43,294 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2019-10-22 09:00:43,411 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 19 [2019-10-22 09:00:43,965 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 12 [2019-10-22 09:00:45,423 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 210 DAG size of output: 22 [2019-10-22 09:00:46,132 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2019-10-22 09:00:46,622 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2019-10-22 09:00:47,620 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 25 [2019-10-22 09:00:48,403 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 34 [2019-10-22 09:00:49,379 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 21 [2019-10-22 09:00:50,491 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 214 DAG size of output: 22 [2019-10-22 09:00:50,980 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 26 [2019-10-22 09:00:51,184 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 19 [2019-10-22 09:00:52,052 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 34 [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465-3(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465-5(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465-6(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L300-3(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,065 INFO L443 ceAbstractionStarter]: For program point L465-8(lines 465 469) no Hoare annotation was computed. [2019-10-22 09:00:52,066 INFO L443 ceAbstractionStarter]: For program point L300-4(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,066 INFO L443 ceAbstractionStarter]: For program point L300-5(lines 300 317) no Hoare annotation was computed. [2019-10-22 09:00:52,066 INFO L439 ceAbstractionStarter]: At program point L268(lines 267 286) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1))) (or (and (and .cse0 .cse1 (and (not (= 0 ~systemActive~0)) .cse2)) (not (= 0 ~waterLevel~0))) (and .cse0 (and (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-10-22 09:00:52,066 INFO L443 ceAbstractionStarter]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2019-10-22 09:00:52,066 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2019-10-22 09:00:52,066 INFO L439 ceAbstractionStarter]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2019-10-22 09:00:52,066 INFO L439 ceAbstractionStarter]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2019-10-22 09:00:52,066 INFO L439 ceAbstractionStarter]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2 .cse3)))) [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-10-22 09:00:52,067 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-10-22 09:00:52,067 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-22 09:00:52,067 INFO L439 ceAbstractionStarter]: At program point L237-1(lines 268 274) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 (and (not (= 0 ~systemActive~0)) .cse2))) (and .cse0 (and (= ~pumpRunning~0 0) .cse2) .cse1))) [2019-10-22 09:00:52,067 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,067 INFO L443 ceAbstractionStarter]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,068 INFO L443 ceAbstractionStarter]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,068 INFO L443 ceAbstractionStarter]: For program point L304-3(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,068 INFO L443 ceAbstractionStarter]: For program point L304-4(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,068 INFO L443 ceAbstractionStarter]: For program point L304-5(lines 304 312) no Hoare annotation was computed. [2019-10-22 09:00:52,068 INFO L439 ceAbstractionStarter]: At program point L471(lines 456 474) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:52,068 INFO L439 ceAbstractionStarter]: At program point L471-1(lines 456 474) the Hoare annotation is: false [2019-10-22 09:00:52,068 INFO L439 ceAbstractionStarter]: At program point L471-2(lines 456 474) the Hoare annotation is: false [2019-10-22 09:00:52,068 INFO L439 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (and (= ~pumpRunning~0 0) .cse1) .cse2) (and (<= 2 ~waterLevel~0) (and .cse0 .cse2 (and (= 0 ~methaneLevelCritical~0) (and (not (= 0 ~systemActive~0)) .cse1)))))) [2019-10-22 09:00:52,068 INFO L439 ceAbstractionStarter]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2019-10-22 09:00:52,069 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-10-22 09:00:52,069 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L211-1(lines 211 217) the Hoare annotation is: (let ((.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (and (not (= 0 ~systemActive~0)) .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (and .cse2 .cse3) (not .cse4) (not .cse5)) (and .cse0 .cse1 (and (and .cse4 .cse6) .cse2)) (and .cse0 (and .cse4 .cse5 .cse7 .cse6) .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse4 .cse5 .cse7 .cse2 .cse3)))) [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L146(lines 141 149) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-10-22 09:00:52,069 INFO L439 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: false [2019-10-22 09:00:52,069 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-22 09:00:52,069 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L439 ceAbstractionStarter]: At program point L479-1(lines 479 485) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-3(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-5(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-6(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-8(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-9(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-11(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-12(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,070 INFO L443 ceAbstractionStarter]: For program point L446-14(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,071 INFO L443 ceAbstractionStarter]: For program point L446-15(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L446-17(lines 446 450) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L439 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: false [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L183-1(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L183-2(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L910-1(lines 268 274) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L446 ceAbstractionStarter]: At program point L977-1(lines 977 984) the Hoare annotation is: true [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-10-22 09:00:52,072 INFO L443 ceAbstractionStarter]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-10-22 09:00:52,073 INFO L443 ceAbstractionStarter]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452(lines 437 455) the Hoare annotation is: false [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452-1(lines 437 455) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))) (or (and .cse0 .cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 .cse2 .cse3)))) [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452-2(lines 437 455) the Hoare annotation is: false [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452-3(lines 437 455) the Hoare annotation is: false [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452-4(lines 437 455) the Hoare annotation is: false [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L452-5(lines 437 455) the Hoare annotation is: false [2019-10-22 09:00:52,073 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-22 09:00:52,073 INFO L439 ceAbstractionStarter]: At program point L221-1(lines 221 227) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and .cse0 .cse1 (and (not (= 0 ~systemActive~0)) .cse2))) (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2))) [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L882(lines 1 989) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:52,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388(lines 381 391) the Hoare annotation is: false [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388-1(lines 381 391) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (and (and .cse3 .cse4 .cse5) .cse6)) (and .cse0 (not (= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) .cse1 .cse2 (not .cse3) .cse5 .cse6 (not .cse4)))) [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388-2(lines 381 391) the Hoare annotation is: false [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388-3(lines 381 391) the Hoare annotation is: false [2019-10-22 09:00:52,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388-4(lines 381 391) the Hoare annotation is: false [2019-10-22 09:00:52,074 INFO L439 ceAbstractionStarter]: At program point L388-5(lines 381 391) the Hoare annotation is: false [2019-10-22 09:00:52,075 INFO L439 ceAbstractionStarter]: At program point L91(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,075 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 86 94) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (and (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (.cse5 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (not .cse6)) (and .cse0 .cse1 .cse2 (and (and .cse3 .cse6 .cse4) .cse5)))) [2019-10-22 09:00:52,075 INFO L439 ceAbstractionStarter]: At program point L91-2(lines 86 94) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (and .cse2 .cse3) (not .cse4) (not .cse5)) (and .cse0 .cse1 .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (and .cse4 .cse5 (and (not (= 0 ~systemActive~0)) .cse3))))) [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-3(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-4(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-5(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-6(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-7(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L439 ceAbstractionStarter]: At program point L91-8(lines 86 94) the Hoare annotation is: false [2019-10-22 09:00:52,076 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,076 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:52,076 INFO L446 ceAbstractionStarter]: At program point L986(lines 967 989) the Hoare annotation is: true [2019-10-22 09:00:52,076 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 343) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 343) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L439 ceAbstractionStarter]: At program point L161-1(lines 1 989) the Hoare annotation is: (let ((.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse6 (and (not (= 0 ~systemActive~0)) .cse3)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~0 0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (and .cse2 .cse3) (not .cse4) (not .cse5)) (and .cse0 .cse1 (and (and .cse4 .cse6) .cse2)) (and .cse0 (and .cse4 .cse5 .cse7 .cse6) .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse4 .cse5 .cse7 .cse2 .cse3)))) [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L161-2(lines 161 174) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L439 ceAbstractionStarter]: At program point L161-3(lines 1 989) the Hoare annotation is: false [2019-10-22 09:00:52,077 INFO L443 ceAbstractionStarter]: For program point L161-4(lines 161 174) no Hoare annotation was computed. [2019-10-22 09:00:52,077 INFO L439 ceAbstractionStarter]: At program point L161-5(lines 1 989) the Hoare annotation is: false [2019-10-22 09:00:52,077 INFO L439 ceAbstractionStarter]: At program point L954(lines 950 956) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~10 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-22 09:00:52,078 INFO L439 ceAbstractionStarter]: At program point L890(lines 885 893) 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 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L363-2(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,078 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 338) no Hoare annotation was computed. [2019-10-22 09:00:52,079 INFO L443 ceAbstractionStarter]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2019-10-22 09:00:52,079 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2019-10-22 09:00:52,079 INFO L443 ceAbstractionStarter]: For program point L363-4(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,079 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L363-6(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L363-8(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L363-10(lines 363 369) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L443 ceAbstractionStarter]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2019-10-22 09:00:52,080 INFO L439 ceAbstractionStarter]: At program point L397(lines 392 400) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~10 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (not (= 0 ~methaneLevelCritical~0)) (= ~pumpRunning~0 0) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:00:52,080 INFO L439 ceAbstractionStarter]: At program point L397-1(lines 392 400) the Hoare annotation is: false [2019-10-22 09:00:52,080 INFO L439 ceAbstractionStarter]: At program point L397-2(lines 392 400) the Hoare annotation is: false [2019-10-22 09:00:52,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:52 BoogieIcfgContainer [2019-10-22 09:00:52,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:52,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:52,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:52,107 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:52,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:35" (3/4) ... [2019-10-22 09:00:52,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:52,140 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:00:52,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 09:00:52,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 09:00:52,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:52,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:52,147 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:00:52,173 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-10-22 09:00:52,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0 [2019-10-22 09:00:52,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || ((\result == 1 && tmp == 1) && (0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((\result == 1 && ((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && !(0 == systemActive) && 0 == splverifierCounter) && tmp == 1) && 2 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:52,176 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || ((\result == 1 && tmp == 1) && (0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((\result == 1 && ((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && !(0 == systemActive) && 0 == splverifierCounter) && tmp == 1) && 2 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:52,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) || (((\result == 1 && tmp == 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 09:00:52,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (2 <= waterLevel && (\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) || ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) [2019-10-22 09:00:52,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) && !(0 == waterLevel)) || ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) [2019-10-22 09:00:52,177 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) || (2 <= waterLevel && (\result == 1 && tmp == 1) && 0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) [2019-10-22 09:00:52,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:00:52,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((\result == 1 && tmp == 1) && 2 <= waterLevel) && (0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) [2019-10-22 09:00:52,179 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:00:52,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && ((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) [2019-10-22 09:00:52,181 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && \result == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter [2019-10-22 09:00:52,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && 0 == \result) && !(0 == waterLevel)) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter [2019-10-22 09:00:52,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && tmp == 1) && ((0 == \result && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && ((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) [2019-10-22 09:00:52,183 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == methaneLevelCritical)) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && !(0 == \result)) || (((\result == 1 && tmp == 1) && 2 <= waterLevel) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) [2019-10-22 09:00:52,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && 2 <= waterLevel) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((((((\result == 1 && !(0 == \result)) && tmp == 1) && 2 <= waterLevel) && !(0 == methaneLevelCritical)) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && !(0 == \result)) [2019-10-22 09:00:52,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c204eb0-cb50-49dc-958c-ca8a6e0fdc1c/bin/uautomizer/witness.graphml [2019-10-22 09:00:52,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:52,264 INFO L168 Benchmark]: Toolchain (without parser) took 18345.65 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 593.5 MB). Free memory was 944.5 MB in the beginning and 1.4 GB in the end (delta: -434.2 MB). Peak memory consumption was 159.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,264 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:52,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,265 INFO L168 Benchmark]: Boogie Preprocessor took 58.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,265 INFO L168 Benchmark]: RCFGBuilder took 847.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,265 INFO L168 Benchmark]: TraceAbstraction took 16648.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -351.6 MB). Peak memory consumption was 652.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,265 INFO L168 Benchmark]: Witness Printer took 155.71 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:52,267 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 847.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16648.00 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.9 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -351.6 MB). Peak memory consumption was 652.3 MB. Max. memory is 11.5 GB. * Witness Printer took 155.71 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 183]: 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: 86]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && 2 <= waterLevel) && !(0 == methaneLevelCritical)) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && !(0 == \result)) || (((\result == 1 && tmp == 1) && 2 <= waterLevel) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && 0 == \result) && !(0 == waterLevel)) && 1 == tmp___0) && 1 == \result) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) || ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && tmp == systemActive) && pumpRunning == 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || (((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || (((\result == 1 && tmp == 1) && 2 <= waterLevel) && (0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && 2 <= waterLevel) && ((0 == methaneLevelCritical && 0 == \result) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) || (((((((\result == 1 && !(0 == \result)) && tmp == 1) && 2 <= waterLevel) && !(0 == methaneLevelCritical)) && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0) && !(0 == \result)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((\result == 1 && \result == 1) && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && ((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) || (2 <= waterLevel && (\result == 1 && tmp == 1) && 0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || ((\result == 1 && tmp == 1) && (0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((\result == 1 && ((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && !(0 == systemActive) && 0 == splverifierCounter) && tmp == 1) && 2 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (2 <= waterLevel && (\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) || (((\result == 1 && tmp == 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && !(0 == systemActive) && 0 == splverifierCounter) && !(0 == waterLevel)) || ((\result == 1 && pumpRunning == 0 && 0 == splverifierCounter) && tmp == 1) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: ((\result == 1 && tmp == 1) && ((0 == \result && 0 == tmp___0) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) || (2 <= waterLevel && ((\result == 1 && tmp == 1) && pumpRunning == 0) && !(0 == systemActive) && 0 == splverifierCounter) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && \result == 0) && !(0 == methaneLevelCritical)) && pumpRunning == 0) && !(0 == \result)) && 0 == splverifierCounter - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((((((\result == 1 && tmp == 1) && pumpRunning == 0 && 0 == splverifierCounter) && !(0 == methaneLevelCritical)) && !(0 == \result)) || ((\result == 1 && tmp == 1) && (0 == methaneLevelCritical && !(0 == systemActive) && 0 == splverifierCounter) && pumpRunning == 0)) || (((\result == 1 && ((0 == methaneLevelCritical && 0 == \result) && tmp == 0) && !(0 == systemActive) && 0 == splverifierCounter) && tmp == 1) && 2 <= waterLevel)) || ((((((\result == 1 && tmp == 1) && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 16.5s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, HoareTripleCheckerStatistics: 1519 SDtfs, 2356 SDslu, 3022 SDs, 0 SdLazy, 355 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=444occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2127 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 792 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3106700 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 2772054 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 23590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 28/28 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...