./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:04:38,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:04:38,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:04:38,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:04:38,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:04:38,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:04:38,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:04:38,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:04:38,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:04:38,541 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:04:38,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:04:38,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:04:38,543 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:04:38,543 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:04:38,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:04:38,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:04:38,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:04:38,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:04:38,548 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:04:38,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:04:38,550 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:04:38,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:04:38,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:04:38,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:04:38,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:04:38,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:04:38,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:04:38,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:04:38,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:04:38,558 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:04:38,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:04:38,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:04:38,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:04:38,560 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:04:38,560 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:04:38,561 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:04:38,561 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:04:38,572 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:04:38,572 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:04:38,573 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:04:38,573 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:04:38,573 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:04:38,573 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:04:38,574 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:04:38,574 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:04:38,574 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:04:38,575 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:04:38,575 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:04:38,575 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:04:38,575 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:04:38,576 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:04:38,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:04:38,577 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:04:38,577 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:04:38,577 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:04:38,577 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:04:38,577 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:04:38,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:04:38,579 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:04:38,579 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:04:38,579 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:04:38,580 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:04:38,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:04:38,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:04:38,580 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:04:38,580 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan 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 -> Taipan 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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-11-10 06:04:38,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:04:38,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:04:38,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:04:38,618 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:04:38,618 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:04:38,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-10 06:04:38,663 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/data/f512f2fc3/10b652c3e2e1417db11c28aed45e3f58/FLAG245ee6d35 [2018-11-10 06:04:39,023 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:04:39,023 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-10 06:04:39,030 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/data/f512f2fc3/10b652c3e2e1417db11c28aed45e3f58/FLAG245ee6d35 [2018-11-10 06:04:39,038 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/data/f512f2fc3/10b652c3e2e1417db11c28aed45e3f58 [2018-11-10 06:04:39,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:04:39,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:04:39,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:04:39,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:04:39,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:04:39,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba810fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39, skipping insertion in model container [2018-11-10 06:04:39,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:04:39,091 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:04:39,282 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:04:39,290 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:04:39,342 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:04:39,358 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:04:39,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39 WrapperNode [2018-11-10 06:04:39,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:04:39,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:04:39,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:04:39,359 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:04:39,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:04:39,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:04:39,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:04:39,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:04:39,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... [2018-11-10 06:04:39,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:04:39,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:04:39,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:04:39,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:04:39,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/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 [2018-11-10 06:04:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 06:04:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 06:04:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 06:04:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 06:04:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:04:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:04:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 06:04:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 06:04:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 06:04:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 06:04:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 06:04:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 06:04:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 06:04:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 06:04:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 06:04:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 06:04:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 06:04:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 06:04:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 06:04:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 06:04:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 06:04:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 06:04:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 06:04:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 06:04:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 06:04:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 06:04:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 06:04:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 06:04:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 06:04:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 06:04:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 06:04:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 06:04:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 06:04:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 06:04:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 06:04:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 06:04:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 06:04:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 06:04:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 06:04:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 06:04:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 06:04:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 06:04:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 06:04:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 06:04:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 06:04:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 06:04:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 06:04:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 06:04:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 06:04:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 06:04:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 06:04:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 06:04:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:04:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:04:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 06:04:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 06:04:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:04:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:04:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 06:04:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 06:04:40,051 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:04:40,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:04:40 BoogieIcfgContainer [2018-11-10 06:04:40,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:04:40,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:04:40,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:04:40,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:04:40,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:04:39" (1/3) ... [2018-11-10 06:04:40,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28417718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:04:40, skipping insertion in model container [2018-11-10 06:04:40,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:04:39" (2/3) ... [2018-11-10 06:04:40,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28417718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:04:40, skipping insertion in model container [2018-11-10 06:04:40,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:04:40" (3/3) ... [2018-11-10 06:04:40,059 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-10 06:04:40,068 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:04:40,074 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:04:40,088 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:04:40,115 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:04:40,115 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:04:40,115 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:04:40,115 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:04:40,115 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:04:40,116 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:04:40,116 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:04:40,116 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:04:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-10 06:04:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 06:04:40,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:40,141 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:40,143 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:40,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:40,147 INFO L82 PathProgramCache]: Analyzing trace with hash -41848425, now seen corresponding path program 1 times [2018-11-10 06:04:40,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:40,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:40,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,181 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:40,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:40,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 06:04:40,340 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:40,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 06:04:40,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 06:04:40,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:04:40,357 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-10 06:04:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:40,386 INFO L93 Difference]: Finished difference Result 290 states and 353 transitions. [2018-11-10 06:04:40,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 06:04:40,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 06:04:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:40,396 INFO L225 Difference]: With dead ends: 290 [2018-11-10 06:04:40,396 INFO L226 Difference]: Without dead ends: 145 [2018-11-10 06:04:40,399 INFO L605 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 [2018-11-10 06:04:40,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-10 06:04:40,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-10 06:04:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-10 06:04:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 168 transitions. [2018-11-10 06:04:40,434 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 168 transitions. Word has length 46 [2018-11-10 06:04:40,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:40,435 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 168 transitions. [2018-11-10 06:04:40,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 06:04:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 168 transitions. [2018-11-10 06:04:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 06:04:40,437 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:40,438 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:40,438 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:40,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1807337891, now seen corresponding path program 1 times [2018-11-10 06:04:40,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:40,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:40,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,440 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:40,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:40,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 06:04:40,517 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:40,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 06:04:40,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 06:04:40,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 06:04:40,519 INFO L87 Difference]: Start difference. First operand 145 states and 168 transitions. Second operand 3 states. [2018-11-10 06:04:40,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:40,539 INFO L93 Difference]: Finished difference Result 237 states and 273 transitions. [2018-11-10 06:04:40,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 06:04:40,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 06:04:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:40,541 INFO L225 Difference]: With dead ends: 237 [2018-11-10 06:04:40,542 INFO L226 Difference]: Without dead ends: 135 [2018-11-10 06:04:40,543 INFO L605 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 [2018-11-10 06:04:40,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-10 06:04:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-10 06:04:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-10 06:04:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-11-10 06:04:40,555 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 48 [2018-11-10 06:04:40,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:40,555 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-11-10 06:04:40,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 06:04:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-11-10 06:04:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 06:04:40,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:40,557 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:40,557 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:40,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:40,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1766175785, now seen corresponding path program 1 times [2018-11-10 06:04:40,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:40,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:40,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:40,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:40,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:40,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 06:04:40,660 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:40,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 06:04:40,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 06:04:40,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 06:04:40,661 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 7 states. [2018-11-10 06:04:40,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:40,941 INFO L93 Difference]: Finished difference Result 246 states and 287 transitions. [2018-11-10 06:04:40,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 06:04:40,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 06:04:40,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:40,943 INFO L225 Difference]: With dead ends: 246 [2018-11-10 06:04:40,943 INFO L226 Difference]: Without dead ends: 135 [2018-11-10 06:04:40,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 06:04:40,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-10 06:04:40,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-10 06:04:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-10 06:04:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 154 transitions. [2018-11-10 06:04:40,953 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 154 transitions. Word has length 52 [2018-11-10 06:04:40,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:40,953 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 154 transitions. [2018-11-10 06:04:40,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 06:04:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 154 transitions. [2018-11-10 06:04:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 06:04:40,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:40,955 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:40,955 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:40,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:40,955 INFO L82 PathProgramCache]: Analyzing trace with hash 998573884, now seen corresponding path program 1 times [2018-11-10 06:04:40,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:40,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:40,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:40,957 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:41,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:41,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:41,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 06:04:41,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:41,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 06:04:41,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 06:04:41,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:04:41,052 INFO L87 Difference]: Start difference. First operand 135 states and 154 transitions. Second operand 5 states. [2018-11-10 06:04:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:41,543 INFO L93 Difference]: Finished difference Result 344 states and 409 transitions. [2018-11-10 06:04:41,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:04:41,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-10 06:04:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:41,545 INFO L225 Difference]: With dead ends: 344 [2018-11-10 06:04:41,546 INFO L226 Difference]: Without dead ends: 233 [2018-11-10 06:04:41,547 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:04:41,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-10 06:04:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 214. [2018-11-10 06:04:41,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-10 06:04:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 242 transitions. [2018-11-10 06:04:41,572 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 242 transitions. Word has length 65 [2018-11-10 06:04:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:41,572 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 242 transitions. [2018-11-10 06:04:41,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 06:04:41,573 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 242 transitions. [2018-11-10 06:04:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 06:04:41,575 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:41,576 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:41,578 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:41,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:41,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1894845588, now seen corresponding path program 1 times [2018-11-10 06:04:41,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:41,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:41,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:41,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:41,580 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:41,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:41,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 06:04:41,684 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:41,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 06:04:41,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 06:04:41,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:04:41,686 INFO L87 Difference]: Start difference. First operand 214 states and 242 transitions. Second operand 8 states. [2018-11-10 06:04:41,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:41,743 INFO L93 Difference]: Finished difference Result 411 states and 477 transitions. [2018-11-10 06:04:41,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 06:04:41,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-11-10 06:04:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:41,750 INFO L225 Difference]: With dead ends: 411 [2018-11-10 06:04:41,750 INFO L226 Difference]: Without dead ends: 221 [2018-11-10 06:04:41,751 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:04:41,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-10 06:04:41,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2018-11-10 06:04:41,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-10 06:04:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 246 transitions. [2018-11-10 06:04:41,785 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 246 transitions. Word has length 79 [2018-11-10 06:04:41,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:41,785 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 246 transitions. [2018-11-10 06:04:41,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 06:04:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 246 transitions. [2018-11-10 06:04:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 06:04:41,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:41,787 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:41,787 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:41,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:41,787 INFO L82 PathProgramCache]: Analyzing trace with hash 508642194, now seen corresponding path program 1 times [2018-11-10 06:04:41,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:41,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:41,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:41,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:41,788 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:04:41,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:04:41,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 06:04:41,883 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:41,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 06:04:41,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 06:04:41,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 06:04:41,884 INFO L87 Difference]: Start difference. First operand 218 states and 246 transitions. Second operand 10 states. [2018-11-10 06:04:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:04:42,298 INFO L93 Difference]: Finished difference Result 702 states and 858 transitions. [2018-11-10 06:04:42,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 06:04:42,299 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-10 06:04:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:04:42,301 INFO L225 Difference]: With dead ends: 702 [2018-11-10 06:04:42,301 INFO L226 Difference]: Without dead ends: 508 [2018-11-10 06:04:42,302 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-10 06:04:42,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2018-11-10 06:04:42,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 498. [2018-11-10 06:04:42,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-11-10 06:04:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 579 transitions. [2018-11-10 06:04:42,338 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 579 transitions. Word has length 79 [2018-11-10 06:04:42,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:04:42,338 INFO L481 AbstractCegarLoop]: Abstraction has 498 states and 579 transitions. [2018-11-10 06:04:42,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 06:04:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 579 transitions. [2018-11-10 06:04:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 06:04:42,341 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:04:42,341 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:04:42,341 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:04:42,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:42,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1974685500, now seen corresponding path program 1 times [2018-11-10 06:04:42,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:04:42,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:42,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:04:42,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:04:42,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:04:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:04:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 06:04:42,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:04:42,410 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 06:04:42,411 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-10 06:04:42,413 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [81], [83], [84], [85], [89], [95], [99], [103], [106], [111], [117], [119], [122], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [179], [183], [189], [217], [218], [229], [230], [233], [235], [238], [241], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [279], [280], [287], [288], [289], [290], [293], [294], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320], [321], [322] [2018-11-10 06:04:42,462 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 06:04:42,462 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 06:04:47,024 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 06:04:47,025 INFO L272 AbstractInterpreter]: Visited 51 different actions 51 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 06:04:47,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:04:47,038 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 06:04:51,860 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.76% of their original sizes. [2018-11-10 06:04:51,861 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 06:04:52,241 INFO L415 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2018-11-10 06:04:52,242 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 06:04:52,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:04:52,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [6] total 24 [2018-11-10 06:04:52,243 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:04:52,243 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-10 06:04:52,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-10 06:04:52,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-11-10 06:04:52,244 INFO L87 Difference]: Start difference. First operand 498 states and 579 transitions. Second operand 20 states. [2018-11-10 06:05:09,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:05:09,892 INFO L93 Difference]: Finished difference Result 1351 states and 1631 transitions. [2018-11-10 06:05:09,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 06:05:09,892 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 154 [2018-11-10 06:05:09,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:05:09,896 INFO L225 Difference]: With dead ends: 1351 [2018-11-10 06:05:09,896 INFO L226 Difference]: Without dead ends: 877 [2018-11-10 06:05:09,898 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2018-11-10 06:05:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2018-11-10 06:05:09,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 834. [2018-11-10 06:05:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2018-11-10 06:05:09,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 969 transitions. [2018-11-10 06:05:09,962 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 969 transitions. Word has length 154 [2018-11-10 06:05:09,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:05:09,963 INFO L481 AbstractCegarLoop]: Abstraction has 834 states and 969 transitions. [2018-11-10 06:05:09,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-10 06:05:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 969 transitions. [2018-11-10 06:05:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 06:05:09,966 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:05:09,966 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:05:09,966 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:05:09,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:05:09,967 INFO L82 PathProgramCache]: Analyzing trace with hash 89306726, now seen corresponding path program 1 times [2018-11-10 06:05:09,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:05:09,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:05:09,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:05:09,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:05:09,968 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:05:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:05:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 06:05:10,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:05:10,076 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 06:05:10,076 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-10 06:05:10,077 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [171], [173], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320] [2018-11-10 06:05:10,081 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 06:05:10,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 06:05:28,188 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 06:05:28,188 INFO L272 AbstractInterpreter]: Visited 68 different actions 156 times. Merged at 7 different actions 12 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-11-10 06:05:28,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:05:28,194 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 06:05:36,606 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.59% of their original sizes. [2018-11-10 06:05:36,606 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 06:05:37,454 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-10 06:05:37,454 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 06:05:37,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:05:37,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [6] total 35 [2018-11-10 06:05:37,454 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:05:37,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-10 06:05:37,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-10 06:05:37,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2018-11-10 06:05:37,455 INFO L87 Difference]: Start difference. First operand 834 states and 969 transitions. Second operand 31 states. [2018-11-10 06:06:20,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:06:20,939 INFO L93 Difference]: Finished difference Result 2430 states and 3077 transitions. [2018-11-10 06:06:20,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-10 06:06:20,939 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 153 [2018-11-10 06:06:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:06:20,944 INFO L225 Difference]: With dead ends: 2430 [2018-11-10 06:06:20,944 INFO L226 Difference]: Without dead ends: 1620 [2018-11-10 06:06:20,947 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 119 SyntacticMatches, 4 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=807, Invalid=5355, Unknown=0, NotChecked=0, Total=6162 [2018-11-10 06:06:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2018-11-10 06:06:21,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1426. [2018-11-10 06:06:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2018-11-10 06:06:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1649 transitions. [2018-11-10 06:06:21,071 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1649 transitions. Word has length 153 [2018-11-10 06:06:21,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:06:21,071 INFO L481 AbstractCegarLoop]: Abstraction has 1426 states and 1649 transitions. [2018-11-10 06:06:21,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-10 06:06:21,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1649 transitions. [2018-11-10 06:06:21,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 06:06:21,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:06:21,074 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:06:21,074 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:06:21,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:06:21,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1027146659, now seen corresponding path program 1 times [2018-11-10 06:06:21,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:06:21,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:06:21,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:06:21,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:06:21,075 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:06:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:06:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 06:06:21,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:06:21,202 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 06:06:21,202 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-10 06:06:21,203 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [82], [83], [85], [89], [95], [99], [103], [106], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [165], [166], [171], [173], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320] [2018-11-10 06:06:21,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 06:06:21,205 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 06:07:20,944 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 06:07:20,944 INFO L272 AbstractInterpreter]: Visited 103 different actions 412 times. Merged at 13 different actions 45 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-10 06:07:20,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:07:20,950 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 06:07:43,635 INFO L227 lantSequenceWeakener]: Weakened 127 states. On average, predicates are now at 96.96% of their original sizes. [2018-11-10 06:07:43,635 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 06:07:45,966 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-10 06:07:45,966 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 06:07:45,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:07:45,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [45] imperfect sequences [13] total 56 [2018-11-10 06:07:45,966 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:07:45,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-11-10 06:07:45,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-11-10 06:07:45,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=1783, Unknown=0, NotChecked=0, Total=1980 [2018-11-10 06:07:45,967 INFO L87 Difference]: Start difference. First operand 1426 states and 1649 transitions. Second operand 45 states. [2018-11-10 06:08:40,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:40,197 INFO L93 Difference]: Finished difference Result 2212 states and 2638 transitions. [2018-11-10 06:08:40,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-11-10 06:08:40,197 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 157 [2018-11-10 06:08:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:40,201 INFO L225 Difference]: With dead ends: 2212 [2018-11-10 06:08:40,201 INFO L226 Difference]: Without dead ends: 926 [2018-11-10 06:08:40,205 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 211 GetRequests, 99 SyntacticMatches, 14 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2939 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=762, Invalid=9138, Unknown=0, NotChecked=0, Total=9900 [2018-11-10 06:08:40,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-11-10 06:08:40,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 817. [2018-11-10 06:08:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-10 06:08:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 916 transitions. [2018-11-10 06:08:40,320 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 916 transitions. Word has length 157 [2018-11-10 06:08:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:40,321 INFO L481 AbstractCegarLoop]: Abstraction has 817 states and 916 transitions. [2018-11-10 06:08:40,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-11-10 06:08:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 916 transitions. [2018-11-10 06:08:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 06:08:40,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:40,323 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:40,324 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:40,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:40,324 INFO L82 PathProgramCache]: Analyzing trace with hash -991377311, now seen corresponding path program 1 times [2018-11-10 06:08:40,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:08:40,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:40,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:40,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:40,325 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:08:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 06:08:40,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:40,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:08:40,415 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:08:40,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:08:40,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:08:40,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:08:40,416 INFO L87 Difference]: Start difference. First operand 817 states and 916 transitions. Second operand 6 states. [2018-11-10 06:08:40,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:40,527 INFO L93 Difference]: Finished difference Result 1186 states and 1354 transitions. [2018-11-10 06:08:40,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 06:08:40,527 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-10 06:08:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:40,531 INFO L225 Difference]: With dead ends: 1186 [2018-11-10 06:08:40,531 INFO L226 Difference]: Without dead ends: 827 [2018-11-10 06:08:40,532 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 06:08:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-11-10 06:08:40,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2018-11-10 06:08:40,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-10 06:08:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 926 transitions. [2018-11-10 06:08:40,627 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 926 transitions. Word has length 149 [2018-11-10 06:08:40,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:40,628 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 926 transitions. [2018-11-10 06:08:40,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:08:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 926 transitions. [2018-11-10 06:08:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 06:08:40,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:40,630 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:40,631 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:40,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1500850401, now seen corresponding path program 1 times [2018-11-10 06:08:40,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:08:40,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:40,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:40,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:40,632 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:08:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 06:08:40,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:08:40,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:08:40,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:08:40,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:08:40,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:08:40,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:08:40,736 INFO L87 Difference]: Start difference. First operand 827 states and 926 transitions. Second operand 6 states. [2018-11-10 06:08:40,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:08:40,952 INFO L93 Difference]: Finished difference Result 836 states and 935 transitions. [2018-11-10 06:08:40,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 06:08:40,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-10 06:08:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:08:40,955 INFO L225 Difference]: With dead ends: 836 [2018-11-10 06:08:40,955 INFO L226 Difference]: Without dead ends: 833 [2018-11-10 06:08:40,956 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:08:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-11-10 06:08:41,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 827. [2018-11-10 06:08:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-10 06:08:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 925 transitions. [2018-11-10 06:08:41,094 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 925 transitions. Word has length 149 [2018-11-10 06:08:41,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:08:41,095 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 925 transitions. [2018-11-10 06:08:41,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:08:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 925 transitions. [2018-11-10 06:08:41,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 06:08:41,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:08:41,097 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:08:41,097 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:08:41,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:08:41,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1374513423, now seen corresponding path program 1 times [2018-11-10 06:08:41,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:08:41,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:41,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:08:41,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:08:41,100 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:08:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:08:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 06:08:41,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 06:08:41,235 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 06:08:41,235 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-10 06:08:41,235 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [165], [166], [176], [179], [183], [189], [217], [218], [221], [225], [229], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [279], [280], [281], [282], [285], [286], [287], [288], [289], [290], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [313], [314], [315], [317], [318], [319], [320], [323], [324] [2018-11-10 06:08:41,239 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 06:08:41,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 06:09:29,472 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 06:09:29,472 INFO L272 AbstractInterpreter]: Visited 112 different actions 405 times. Merged at 17 different actions 31 times. Never widened. Found 4 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-10 06:09:29,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:09:29,474 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 06:09:51,205 INFO L227 lantSequenceWeakener]: Weakened 131 states. On average, predicates are now at 97.03% of their original sizes. [2018-11-10 06:09:51,205 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 06:09:54,048 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-10 06:09:54,049 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 06:09:54,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 06:09:54,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [10] total 60 [2018-11-10 06:09:54,049 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:09:54,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-11-10 06:09:54,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-11-10 06:09:54,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2391, Unknown=0, NotChecked=0, Total=2652 [2018-11-10 06:09:54,051 INFO L87 Difference]: Start difference. First operand 827 states and 925 transitions. Second operand 52 states. [2018-11-10 06:11:28,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:11:28,338 INFO L93 Difference]: Finished difference Result 2154 states and 2668 transitions. [2018-11-10 06:11:28,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-11-10 06:11:28,338 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 153 [2018-11-10 06:11:28,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:11:28,343 INFO L225 Difference]: With dead ends: 2154 [2018-11-10 06:11:28,343 INFO L226 Difference]: Without dead ends: 1560 [2018-11-10 06:11:28,346 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 95 SyntacticMatches, 7 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3424 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1016, Invalid=10114, Unknown=0, NotChecked=0, Total=11130 [2018-11-10 06:11:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2018-11-10 06:11:28,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1287. [2018-11-10 06:11:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1287 states. [2018-11-10 06:11:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 1432 transitions. [2018-11-10 06:11:28,487 INFO L78 Accepts]: Start accepts. Automaton has 1287 states and 1432 transitions. Word has length 153 [2018-11-10 06:11:28,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:11:28,487 INFO L481 AbstractCegarLoop]: Abstraction has 1287 states and 1432 transitions. [2018-11-10 06:11:28,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-11-10 06:11:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1432 transitions. [2018-11-10 06:11:28,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 06:11:28,489 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:11:28,490 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:11:28,490 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:11:28,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:11:28,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1099753809, now seen corresponding path program 1 times [2018-11-10 06:11:28,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:11:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:11:28,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:11:28,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:11:28,491 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:11:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:11:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 06:11:28,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:11:28,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 06:11:28,583 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:11:28,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 06:11:28,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 06:11:28,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 06:11:28,584 INFO L87 Difference]: Start difference. First operand 1287 states and 1432 transitions. Second operand 9 states. [2018-11-10 06:11:28,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:11:28,759 INFO L93 Difference]: Finished difference Result 2183 states and 2457 transitions. [2018-11-10 06:11:28,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 06:11:28,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2018-11-10 06:11:28,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:11:28,763 INFO L225 Difference]: With dead ends: 2183 [2018-11-10 06:11:28,763 INFO L226 Difference]: Without dead ends: 1231 [2018-11-10 06:11:28,765 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-10 06:11:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2018-11-10 06:11:28,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1231. [2018-11-10 06:11:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2018-11-10 06:11:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1368 transitions. [2018-11-10 06:11:28,890 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1368 transitions. Word has length 153 [2018-11-10 06:11:28,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:11:28,891 INFO L481 AbstractCegarLoop]: Abstraction has 1231 states and 1368 transitions. [2018-11-10 06:11:28,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 06:11:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1368 transitions. [2018-11-10 06:11:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-10 06:11:28,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:11:28,894 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:11:28,895 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:11:28,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:11:28,895 INFO L82 PathProgramCache]: Analyzing trace with hash -300950575, now seen corresponding path program 1 times [2018-11-10 06:11:28,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:11:28,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:11:28,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:11:28,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:11:28,896 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:11:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:11:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 06:11:28,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:11:28,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:11:28,979 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:11:28,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:11:28,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:11:28,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:11:28,980 INFO L87 Difference]: Start difference. First operand 1231 states and 1368 transitions. Second operand 6 states. [2018-11-10 06:11:29,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:11:29,125 INFO L93 Difference]: Finished difference Result 1746 states and 1956 transitions. [2018-11-10 06:11:29,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 06:11:29,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2018-11-10 06:11:29,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:11:29,126 INFO L225 Difference]: With dead ends: 1746 [2018-11-10 06:11:29,127 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:11:29,130 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 06:11:29,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:11:29,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:11:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:11:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:11:29,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2018-11-10 06:11:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:11:29,131 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:11:29,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:11:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:11:29,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:11:29,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:11:29,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:30,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:30,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:30,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:30,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:30,375 WARN L179 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 340 [2018-11-10 06:11:30,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:31,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:31,956 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 397 DAG size of output: 373 [2018-11-10 06:11:32,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:32,910 WARN L179 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 345 [2018-11-10 06:11:33,674 WARN L179 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 361 [2018-11-10 06:11:33,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:33,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 06:11:34,642 WARN L179 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 34 [2018-11-10 06:11:34,949 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2018-11-10 06:11:35,283 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2018-11-10 06:11:36,043 WARN L179 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 59 [2018-11-10 06:11:36,301 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 27 [2018-11-10 06:11:36,790 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 26 [2018-11-10 06:11:37,952 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 417 DAG size of output: 91 [2018-11-10 06:11:38,459 WARN L179 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 53 [2018-11-10 06:11:39,432 WARN L179 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 71 [2018-11-10 06:11:40,287 WARN L179 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 54 [2018-11-10 06:11:40,586 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2018-11-10 06:11:41,648 WARN L179 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 69 [2018-11-10 06:11:42,189 WARN L179 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 28 [2018-11-10 06:11:42,460 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 21 [2018-11-10 06:11:45,417 WARN L179 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 450 DAG size of output: 106 [2018-11-10 06:11:46,066 WARN L179 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 51 [2018-11-10 06:11:46,352 WARN L179 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2018-11-10 06:11:46,886 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 28 [2018-11-10 06:11:47,152 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 26 [2018-11-10 06:11:47,417 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 17 [2018-11-10 06:11:48,080 WARN L179 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 40 [2018-11-10 06:11:48,276 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2018-11-10 06:11:48,548 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 21 [2018-11-10 06:11:48,945 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2018-11-10 06:11:49,686 WARN L179 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 54 [2018-11-10 06:11:51,483 WARN L179 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 421 DAG size of output: 70 [2018-11-10 06:11:53,553 WARN L179 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 439 DAG size of output: 76 [2018-11-10 06:11:53,870 WARN L179 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 21 [2018-11-10 06:11:53,976 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2018-11-10 06:11:54,485 WARN L179 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 34 [2018-11-10 06:11:54,844 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2018-11-10 06:11:55,064 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2018-11-10 06:11:55,433 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 30 [2018-11-10 06:11:55,612 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2018-11-10 06:11:55,793 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2018-11-10 06:11:56,050 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 1 [2018-11-10 06:11:56,295 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 24 [2018-11-10 06:11:56,636 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 18 [2018-11-10 06:11:57,078 WARN L179 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 55 [2018-11-10 06:11:57,119 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2018-11-10 06:11:57,119 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2018-11-10 06:11:57,119 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2018-11-10 06:11:57,119 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2018-11-10 06:11:57,119 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2018-11-10 06:11:57,119 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2018-11-10 06:11:57,119 INFO L421 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (+ ~pumpRunning~0 1))) (or (< .cse0 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 .cse0) (< 3 (+ ~systemActive~0 ~waterLevel~0)))) [2018-11-10 06:11:57,119 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L421 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse5 (* 2 ~pumpRunning~0)) (.cse4 (+ ~systemActive~0 ~waterLevel~0))) (let ((.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 3 .cse4)) (.cse3 (< 0 .cse5))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse1) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse3) (or (< 3 (+ ~pumpRunning~0 ~waterLevel~0)) (< .cse4 3) (< .cse5 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (or (or (not (= ~methaneLevelCritical~0 1)) .cse2) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse0 .cse1 .cse3)))) [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L428 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2018-11-10 06:11:57,120 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,120 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L421 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,121 INFO L421 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (and (<= ~systemActive~0 main_~tmp~7) (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0) (<= (* 2 main_~tmp~7) 2)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,121 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L421 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,121 INFO L421 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,121 INFO L421 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,121 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2018-11-10 06:11:57,121 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L428 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2018-11-10 06:11:57,122 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2018-11-10 06:11:57,122 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L428 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L421 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2018-11-10 06:11:57,123 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2018-11-10 06:11:57,124 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse3 (< ~waterLevel~0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 06:11:57,124 INFO L421 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse3 (< ~waterLevel~0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse2 .cse3 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-11-10 06:11:57,124 INFO L425 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2018-11-10 06:11:57,124 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< ~waterLevel~0 ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))))) [2018-11-10 06:11:57,124 INFO L425 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-11-10 06:11:57,124 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-11-10 06:11:57,124 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-11-10 06:11:57,124 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-11-10 06:11:57,124 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2018-11-10 06:11:57,125 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2018-11-10 06:11:57,125 INFO L421 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (= test_~splverifierCounter~0 0))) (or (and (and (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (or (let ((.cse0 (+ ~pumpRunning~0 1))) (and (<= .cse0 ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 .cse0) (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646)) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647)) .cse1)) (and (<= (* 2 ~pumpRunning~0) 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) .cse1 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))) .cse2) (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) (= ~pumpRunning~0 0) .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-10 06:11:57,125 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-10 06:11:57,125 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (and (<= ~waterLevel~0 ~systemActive~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,125 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-10 06:11:57,125 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 06:11:57,125 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-10 06:11:57,125 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 54 99) no Hoare annotation was computed. [2018-11-10 06:11:57,126 INFO L421 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 06:11:57,126 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-10 06:11:57,126 INFO L421 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse7 (+ ~pumpRunning~0 1))) (let ((.cse8 (<= ~waterLevel~0 .cse7)) (.cse9 (* 2 ~pumpRunning~0)) (.cse5 (<= 2 .cse3))) (let ((.cse0 (or (and .cse8 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646)) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647))) (and (<= .cse9 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse5))) (.cse1 (let ((.cse4 (<= 0 .cse9)) (.cse6 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= .cse3 2) .cse4 .cse5 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse6) (and (<= .cse7 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse3 3) .cse8 .cse4 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse6)))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 3 (+ ~systemActive~0 ~waterLevel~0)) .cse1 .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and .cse0 .cse1 (<= test_~tmp~0 (+ ~pumpRunning~0 2147483647)) .cse2 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 06:11:57,126 INFO L425 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-10 06:11:57,126 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-10 06:11:57,127 INFO L421 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse17 (+ ~pumpRunning~0 1)) (.cse6 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse8 (+ ~waterLevel~0 2147483646)) (.cse7 (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648))) (.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse14 (+ ~pumpRunning~0 ~systemActive~0)) (.cse9 (<= 2 .cse6)) (.cse10 (<= .cse17 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 .cse17)) (.cse13 (* 2 ~pumpRunning~0))) (let ((.cse5 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647)) (.cse2 (let ((.cse15 (<= 0 .cse13)) (.cse16 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= .cse14 1) (<= .cse6 2) .cse15 .cse9 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse16) (and .cse10 (= ~systemActive~0 1) (<= .cse6 3) .cse11 .cse15 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse16)))) (.cse0 (let ((.cse12 (<= .cse1 3))) (or (and .cse10 (<= ~systemActive~0 ~waterLevel~0) (<= 2 (* 2 ~systemActive~0)) .cse11 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 .cse8) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647)) .cse12) (and (<= .cse13 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) (<= 1 .cse14) .cse12 .cse7 .cse9)))) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 3 .cse1) .cse2 .cse3) (and (and (let ((.cse4 (+ ~methaneLevelCritical~0 1))) (and (<= ~waterLevel~0 .cse4) .cse5 (<= 1 .cse6) (<= .cse4 ~waterLevel~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) .cse7)) .cse3) (<= test_~tmp~0 .cse8) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)) (= ~pumpRunning~0 0)) (and (and (<= ~waterLevel~0 (+ test_~splverifierCounter~0 2)) (<= ~pumpRunning~0 ~methaneLevelCritical~0) .cse5 (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse7 .cse3) .cse9) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and .cse0 .cse2 (<= test_~tmp~0 (+ ~pumpRunning~0 2147483647)) .cse3 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (and .cse0 (= ~pumpRunning~0 1) .cse3) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 06:11:57,127 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-10 06:11:57,127 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-10 06:11:57,127 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-10 06:11:57,127 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse7 (+ ~pumpRunning~0 1))) (let ((.cse8 (<= ~waterLevel~0 .cse7)) (.cse9 (* 2 ~pumpRunning~0)) (.cse5 (<= 2 .cse3))) (let ((.cse0 (or (and .cse8 (<= (+ ~pumpRunning~0 test_~tmp___0~0) 2147483648) (<= test_~tmp___0~0 (+ ~waterLevel~0 2147483646)) (<= 0 (+ ~systemActive~0 test_~tmp___0~0 2147483647))) (and (<= .cse9 0) (<= (+ ~waterLevel~0 test_~tmp___0~0) 2147483649) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse5))) (.cse1 (let ((.cse4 (<= 0 .cse9)) (.cse6 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)))) (or (and (<= (+ ~pumpRunning~0 ~systemActive~0) 1) (<= .cse3 2) .cse4 .cse5 (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) .cse6) (and (<= .cse7 ~waterLevel~0) (= ~systemActive~0 1) (<= .cse3 3) .cse8 .cse4 (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse6)))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= (* 2 test_~tmp~0) 4294967294) .cse1 .cse2 (<= 0 (+ ~systemActive~0 test_~tmp~0 2147483647))) (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 test_~tmp~0) 2147483648) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) (<= 0 (+ ~waterLevel~0 test_~tmp~0 2147483647)) (= ~pumpRunning~0 0) .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= 3 (+ ~systemActive~0 ~waterLevel~0)) .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 06:11:57,128 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2018-11-10 06:11:57,128 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:11:57,128 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 06:11:57,128 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (and (<= (+ activatePump_~tmp~3 ~waterLevel~0) 2) (<= ~waterLevel~0 (+ activatePump_~tmp~3 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L421 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2018-11-10 06:11:57,129 INFO L428 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2018-11-10 06:11:57,130 INFO L425 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2018-11-10 06:11:57,130 INFO L425 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-11-10 06:11:57,130 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2018-11-10 06:11:57,130 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2018-11-10 06:11:57,130 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-11-10 06:11:57,130 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-11-10 06:11:57,130 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-11-10 06:11:57,130 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse3 (+ ~systemActive~0 |old(~methaneLevelCritical~0)|))) (let ((.cse6 (+ ~methaneLevelCritical~0 1)) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (< .cse3 1)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~systemActive~0)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0) (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) .cse1 .cse2) (or (or (< 1 .cse3) (not (= 1 ~pumpRunning~0)) (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2) .cse4 (< (+ |old(~methaneLevelCritical~0)| 2) ~waterLevel~0) .cse5) (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= ~pumpRunning~0 .cse6))) (or (and .cse7 (<= .cse6 ~waterLevel~0)) .cse4 .cse0 (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 0) .cse5 (not (= ~waterLevel~0 1)) .cse2) (or (and .cse7 (<= ~methaneLevelCritical~0 ~pumpRunning~0)) (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse4 .cse5 .cse1 .cse2)))) [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-11-10 06:11:57,131 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< |old(~waterLevel~0)| ~systemActive~0) (< 3 .cse0)) (or (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse0 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2018-11-10 06:11:57,131 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse0 (+ ~pumpRunning~0 1)) (.cse3 (+ ~systemActive~0 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< (* 2 ~systemActive~0) 2)) (.cse6 (< 3 .cse1))) (and (or (<= .cse0 ~waterLevel~0) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse1 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (let ((.cse2 (+ |old(~pumpRunning~0)| 1))) (or (< .cse2 |old(~waterLevel~0)|) (and (<= ~waterLevel~0 .cse0) (<= 2 .cse3) .cse4) .cse5 (< |old(~waterLevel~0)| .cse2) (< |old(~waterLevel~0)| ~systemActive~0) .cse6)) (or (and (<= 3 .cse3) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) .cse4) (not (= 0 |old(~pumpRunning~0)|)) .cse5 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse6)))) [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2018-11-10 06:11:57,131 INFO L421 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse5 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse4 (< 3 .cse5))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (< .cse0 |old(~waterLevel~0)|) (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (<= 2 .cse1) .cse2) .cse3 (< |old(~waterLevel~0)| .cse0) (< |old(~waterLevel~0)| ~systemActive~0) .cse4)) (or (<= .cse1 2) (or (< 3 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< .cse5 3) (< (* 2 |old(~pumpRunning~0)|) 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (or (and (<= 3 .cse1) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) .cse3 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse4)))) [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2018-11-10 06:11:57,131 INFO L421 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse9 (+ ~systemActive~0 ~waterLevel~0)) (.cse10 (+ ~pumpRunning~0 1)) (.cse11 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 3 .cse11)) (.cse3 (= ~pumpRunning~0 1)) (.cse0 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse2 (* 2 |old(~pumpRunning~0)|)) (.cse4 (<= ~waterLevel~0 .cse10)) (.cse5 (and (<= 2 .cse9) (= ~systemActive~0 1)))) (and (or (or (< .cse0 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 (< 0 .cse2)) .cse3) (or (< (+ |old(~pumpRunning~0)| 1) |old(~waterLevel~0)|) (and .cse4 .cse5 .cse6) .cse7 .cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (or (and (<= 3 .cse9) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) .cse6) .cse7 .cse8 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse1 (and (<= .cse10 ~waterLevel~0) (<= .cse9 3) .cse3)) (or (or (< 3 .cse0) (< .cse11 3) (< .cse2 2) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (and .cse4 .cse5 (= 0 ~pumpRunning~0)))))) [2018-11-10 06:11:57,131 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 514 528) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point L514-3(lines 514 528) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3))) [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:11:57,132 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) (= ~pumpRunning~0 0)) [2018-11-10 06:11:57,132 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2018-11-10 06:11:57,133 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (* 2 ~systemActive~0) 2))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 ~systemActive~0)))) [2018-11-10 06:11:57,133 INFO L421 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (* 2 ~systemActive~0) 2))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 (+ ~systemActive~0 1)) (< 3 (+ ~systemActive~0 ~waterLevel~0))) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 .cse2 (< ~waterLevel~0 ~systemActive~0)))) [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L421 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-11-10 06:11:57,133 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2018-11-10 06:11:57,133 INFO L421 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 ~systemActive~0) .cse2) (or .cse2 .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) .cse1 .cse3 .cse4 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4))) [2018-11-10 06:11:57,133 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse4 (<= 3 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 ~waterLevel~0))) (.cse3 (+ ~methaneLevelCritical~0 processEnvironment__wrappee__highWaterSensor_~tmp~1))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse2) (or (< (+ |old(~pumpRunning~0)| 1) ~waterLevel~0) .cse0 .cse1 (< ~waterLevel~0 ~systemActive~0)) (or (and (<= .cse3 2) .cse4) (not (= ~methaneLevelCritical~0 1)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) .cse1 .cse2 .cse5 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse5) (and .cse4 (<= .cse3 1))))) [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-11-10 06:11:57,134 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse2 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< (* 2 ~systemActive~0) 2)) (.cse0 (+ ~pumpRunning~0 1)) (.cse1 (+ ~systemActive~0 ~waterLevel~0))) (and (or (and (<= .cse0 ~waterLevel~0) (<= .cse1 3)) (or (< 3 (+ ~pumpRunning~0 |old(~waterLevel~0)|)) (< .cse2 3) (< (* 2 ~pumpRunning~0) 2) (< 2 (+ ~pumpRunning~0 ~systemActive~0)))) (or (and (<= 3 .cse1) (<= ~waterLevel~0 (+ ~pumpRunning~0 2))) .cse3 .cse4 (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (< 3 .cse2)) (or (< .cse0 |old(~waterLevel~0)|) .cse3 .cse4 (and (<= ~waterLevel~0 .cse0) (<= 2 .cse1)) (< |old(~waterLevel~0)| ~systemActive~0)))) [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-10 06:11:57,134 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2018-11-10 06:11:57,134 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-10 06:11:57,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:11:57 BoogieIcfgContainer [2018-11-10 06:11:57,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:11:57,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:11:57,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:11:57,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:11:57,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:04:40" (3/4) ... [2018-11-10 06:11:57,158 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:11:57,162 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 06:11:57,163 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 06:11:57,164 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 06:11:57,165 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 06:11:57,165 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 06:11:57,165 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 06:11:57,178 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 06:11:57,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 06:11:57,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 06:11:57,209 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 <= systemActive + tmp___2 + 2147483647 && tmp___2 <= systemActive + 2147483646) && (((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && waterLevel <= pumpRunning + 1) && pumpRunning + tmp___0 <= 2147483648) && tmp___0 <= waterLevel + 2147483646) && 0 <= systemActive + tmp___0 + 2147483647) && systemActive + waterLevel <= 3) || ((((2 * pumpRunning <= 0 && waterLevel + tmp___0 <= 2147483649) && systemActive + waterLevel <= 3) && 0 <= pumpRunning + tmp___0 + 2147483648) && 2 <= pumpRunning + waterLevel))) && splverifierCounter == 0) || ((((1 <= methaneLevelCritical + systemActive && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 1) && pumpRunning == 0) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-11-10 06:11:57,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 06:11:57,260 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25a9f744-2d91-42e4-a3b6-248c62d04d80/bin-2019/utaipan/witness.graphml [2018-11-10 06:11:57,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:11:57,262 INFO L168 Benchmark]: Toolchain (without parser) took 438220.07 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 951.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,262 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:11:57,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,263 INFO L168 Benchmark]: Boogie Preprocessor took 28.14 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,263 INFO L168 Benchmark]: RCFGBuilder took 586.98 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: 92.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,263 INFO L168 Benchmark]: TraceAbstraction took 437101.13 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,264 INFO L168 Benchmark]: Witness Printer took 106.32 ms. Allocated memory is still 4.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-10 06:11:57,265 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.14 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 586.98 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: 92.0 MB). Peak memory consumption was 92.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 437101.13 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.7 GB. Max. memory is 11.5 GB. * Witness Printer took 106.32 ms. Allocated memory is still 4.6 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((0 <= systemActive + tmp___2 + 2147483647 && tmp___2 <= systemActive + 2147483646) && (((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && waterLevel <= pumpRunning + 1) && pumpRunning + tmp___0 <= 2147483648) && tmp___0 <= waterLevel + 2147483646) && 0 <= systemActive + tmp___0 + 2147483647) && systemActive + waterLevel <= 3) || ((((2 * pumpRunning <= 0 && waterLevel + tmp___0 <= 2147483649) && systemActive + waterLevel <= 3) && 0 <= pumpRunning + tmp___0 + 2147483648) && 2 <= pumpRunning + waterLevel))) && splverifierCounter == 0) || ((((1 <= methaneLevelCritical + systemActive && methaneLevelCritical + 1 <= waterLevel) && waterLevel + splverifierCounter <= 1) && pumpRunning == 0) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 437.0s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 211.6s AutomataDifference, 0.0s DeadEndRemovalTime, 27.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2826 SDtfs, 5308 SDslu, 18170 SDs, 0 SdLazy, 13106 SolverSat, 2132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 139.9s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 875 GetRequests, 484 SyntacticMatches, 26 SemanticMatches, 365 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8435 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1426occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 130.7s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9944206758863636 AbsIntWeakeningRatio, 0.8890701468189234 AbsIntAvgWeakeningVarsNumRemoved, 5353.623164763459 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 657 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2761 PreInvPairs, 2835 NumberOfFragments, 3404 HoareAnnotationTreeSize, 2761 FomulaSimplifications, 232562 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 361989 FormulaSimplificationTreeSizeReductionInter, 22.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1653 NumberOfCodeBlocks, 1653 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1639 ConstructedInterpolants, 0 QuantifiedInterpolants, 286557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 310/327 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...