./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:11:43,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:11:43,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:11:43,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:11:43,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:11:43,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:11:43,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:11:43,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:11:43,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:11:43,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:11:43,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:11:43,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:11:43,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:11:43,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:11:43,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:11:43,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:11:43,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:11:43,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:11:43,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:11:43,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:11:43,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:11:43,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:11:43,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:11:43,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:11:43,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:11:43,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:11:43,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:11:43,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:11:43,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:11:43,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:11:43,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:11:43,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:11:43,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:11:43,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:11:43,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:11:43,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:11:43,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:11:43,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:11:43,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:11:43,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:11:43,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:11:43,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:11:43,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:11:43,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:11:43,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:11:43,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:11:43,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:11:43,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:11:43,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:11:43,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:11:43,450 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:11:43,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:11:43,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:11:43,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:11:43,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:11:43,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:11:43,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:11:43,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2021-12-06 19:11:43,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:11:43,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:11:43,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:11:43,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:11:43,648 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:11:43,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-12-06 19:11:43,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/data/e5149822a/99eca389a3f7420893dd771813ab1d92/FLAG59502c2e3 [2021-12-06 19:11:44,116 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:11:44,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2021-12-06 19:11:44,128 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/data/e5149822a/99eca389a3f7420893dd771813ab1d92/FLAG59502c2e3 [2021-12-06 19:11:44,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/data/e5149822a/99eca389a3f7420893dd771813ab1d92 [2021-12-06 19:11:44,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:11:44,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:11:44,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:11:44,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:11:44,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:11:44,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458e159d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44, skipping insertion in model container [2021-12-06 19:11:44,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:11:44,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:11:44,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2021-12-06 19:11:44,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:11:44,433 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:11:44,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2021-12-06 19:11:44,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:11:44,494 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:11:44,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44 WrapperNode [2021-12-06 19:11:44,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:11:44,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:11:44,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:11:44,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:11:44,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,534 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 259 [2021-12-06 19:11:44,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:11:44,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:11:44,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:11:44,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:11:44,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:11:44,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:11:44,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:11:44,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:11:44,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (1/1) ... [2021-12-06 19:11:44,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:11:44,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:11:44,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:11:44,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:11:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:11:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:11:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:11:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:11:44,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:11:44,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:11:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-06 19:11:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-06 19:11:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:11:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:11:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:11:44,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:11:44,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:11:44,675 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:11:44,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:11:44,880 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:11:44,886 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:11:44,886 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:11:44,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:11:44 BoogieIcfgContainer [2021-12-06 19:11:44,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:11:44,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:11:44,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:11:44,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:11:44,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:11:44" (1/3) ... [2021-12-06 19:11:44,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd26ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:11:44, skipping insertion in model container [2021-12-06 19:11:44,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:11:44" (2/3) ... [2021-12-06 19:11:44,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd26ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:11:44, skipping insertion in model container [2021-12-06 19:11:44,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:11:44" (3/3) ... [2021-12-06 19:11:44,894 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2021-12-06 19:11:44,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:11:44,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:11:44,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:11:44,937 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:11:44,937 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:11:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 19:11:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 19:11:44,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:44,959 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:44,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:44,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:44,964 INFO L85 PathProgramCache]: Analyzing trace with hash 849031785, now seen corresponding path program 1 times [2021-12-06 19:11:44,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:44,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454285075] [2021-12-06 19:11:44,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:44,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:11:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:11:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454285075] [2021-12-06 19:11:45,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454285075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:11:45,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459300926] [2021-12-06 19:11:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:11:45,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:11:45,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:11:45,215 INFO L87 Difference]: Start difference. First operand has 91 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 78 states have internal predecessors, (96), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:11:45,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,248 INFO L93 Difference]: Finished difference Result 173 states and 234 transitions. [2021-12-06 19:11:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:11:45,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-06 19:11:45,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,259 INFO L225 Difference]: With dead ends: 173 [2021-12-06 19:11:45,259 INFO L226 Difference]: Without dead ends: 82 [2021-12-06 19:11:45,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:11:45,267 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:45,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-06 19:11:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-06 19:11:45,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 70 states have internal predecessors, (82), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 19:11:45,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2021-12-06 19:11:45,313 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 32 [2021-12-06 19:11:45,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:45,314 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2021-12-06 19:11:45,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:11:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2021-12-06 19:11:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:11:45,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:45,317 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:45,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:11:45,318 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:45,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:45,319 INFO L85 PathProgramCache]: Analyzing trace with hash 79054015, now seen corresponding path program 1 times [2021-12-06 19:11:45,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:45,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138895858] [2021-12-06 19:11:45,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:45,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:11:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:11:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138895858] [2021-12-06 19:11:45,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138895858] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:11:45,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663386311] [2021-12-06 19:11:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:11:45,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:11:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:11:45,394 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:11:45,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,410 INFO L93 Difference]: Finished difference Result 128 states and 164 transitions. [2021-12-06 19:11:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:11:45,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 19:11:45,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,412 INFO L225 Difference]: With dead ends: 128 [2021-12-06 19:11:45,412 INFO L226 Difference]: Without dead ends: 73 [2021-12-06 19:11:45,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:11:45,414 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:45,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-06 19:11:45,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-06 19:11:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:11:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-12-06 19:11:45,422 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 33 [2021-12-06 19:11:45,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:45,422 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-12-06 19:11:45,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:11:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-12-06 19:11:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:11:45,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:45,424 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:45,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:11:45,424 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:45,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:45,425 INFO L85 PathProgramCache]: Analyzing trace with hash 321911882, now seen corresponding path program 1 times [2021-12-06 19:11:45,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:45,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18316475] [2021-12-06 19:11:45,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:45,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 19:11:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18316475] [2021-12-06 19:11:45,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18316475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:11:45,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744879301] [2021-12-06 19:11:45,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:11:45,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:11:45,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:11:45,487 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:11:45,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,537 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2021-12-06 19:11:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:11:45,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-06 19:11:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,539 INFO L225 Difference]: With dead ends: 138 [2021-12-06 19:11:45,539 INFO L226 Difference]: Without dead ends: 73 [2021-12-06 19:11:45,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:11:45,541 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 116 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,542 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 224 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-06 19:11:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-06 19:11:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 64 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:11:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2021-12-06 19:11:45,554 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 38 [2021-12-06 19:11:45,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:45,555 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2021-12-06 19:11:45,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:11:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2021-12-06 19:11:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-06 19:11:45,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:45,556 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:45,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:11:45,557 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1433797075, now seen corresponding path program 1 times [2021-12-06 19:11:45,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:45,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131034357] [2021-12-06 19:11:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:45,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:11:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131034357] [2021-12-06 19:11:45,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131034357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:11:45,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789963996] [2021-12-06 19:11:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:11:45,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:11:45,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:11:45,604 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:11:45,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,634 INFO L93 Difference]: Finished difference Result 186 states and 241 transitions. [2021-12-06 19:11:45,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:11:45,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-12-06 19:11:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,636 INFO L225 Difference]: With dead ends: 186 [2021-12-06 19:11:45,636 INFO L226 Difference]: Without dead ends: 121 [2021-12-06 19:11:45,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:11:45,638 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 54 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,638 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 175 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:45,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-06 19:11:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2021-12-06 19:11:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 92 states have (on average 1.2826086956521738) internal successors, (118), 99 states have internal predecessors, (118), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-06 19:11:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2021-12-06 19:11:45,653 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 44 [2021-12-06 19:11:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:45,653 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2021-12-06 19:11:45,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:11:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2021-12-06 19:11:45,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:11:45,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:45,655 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:45,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:11:45,655 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:45,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:45,656 INFO L85 PathProgramCache]: Analyzing trace with hash -464428248, now seen corresponding path program 1 times [2021-12-06 19:11:45,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:45,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437142944] [2021-12-06 19:11:45,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:45,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:11:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:11:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437142944] [2021-12-06 19:11:45,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437142944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:11:45,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821706588] [2021-12-06 19:11:45,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:11:45,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:11:45,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:11:45,714 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:45,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,841 INFO L93 Difference]: Finished difference Result 262 states and 338 transitions. [2021-12-06 19:11:45,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:11:45,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-06 19:11:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,844 INFO L225 Difference]: With dead ends: 262 [2021-12-06 19:11:45,844 INFO L226 Difference]: Without dead ends: 151 [2021-12-06 19:11:45,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:11:45,846 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 63 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 389 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:11:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-12-06 19:11:45,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2021-12-06 19:11:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.280701754385965) internal successors, (146), 121 states have internal predecessors, (146), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-06 19:11:45,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 185 transitions. [2021-12-06 19:11:45,861 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 185 transitions. Word has length 52 [2021-12-06 19:11:45,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:45,862 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 185 transitions. [2021-12-06 19:11:45,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 185 transitions. [2021-12-06 19:11:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:11:45,863 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:45,864 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:45,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:11:45,864 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:45,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2141595306, now seen corresponding path program 1 times [2021-12-06 19:11:45,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:45,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734884356] [2021-12-06 19:11:45,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:45,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:11:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:11:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:45,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:45,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734884356] [2021-12-06 19:11:45,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734884356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:45,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:45,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:11:45,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539835934] [2021-12-06 19:11:45,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:45,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:11:45,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:45,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:11:45,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:11:45,918 INFO L87 Difference]: Start difference. First operand 146 states and 185 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:45,989 INFO L93 Difference]: Finished difference Result 294 states and 382 transitions. [2021-12-06 19:11:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:11:45,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-06 19:11:45,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:45,991 INFO L225 Difference]: With dead ends: 294 [2021-12-06 19:11:45,991 INFO L226 Difference]: Without dead ends: 156 [2021-12-06 19:11:45,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:11:45,993 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 65 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:45,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 305 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-06 19:11:46,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 148. [2021-12-06 19:11:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 123 states have internal predecessors, (148), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-06 19:11:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 187 transitions. [2021-12-06 19:11:46,005 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 187 transitions. Word has length 52 [2021-12-06 19:11:46,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:46,006 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 187 transitions. [2021-12-06 19:11:46,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2021-12-06 19:11:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:11:46,007 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:46,007 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:46,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:11:46,007 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:46,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:46,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1730670164, now seen corresponding path program 1 times [2021-12-06 19:11:46,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:46,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44232698] [2021-12-06 19:11:46,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:46,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:11:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:11:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:46,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:46,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44232698] [2021-12-06 19:11:46,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44232698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:46,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:46,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:11:46,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109211213] [2021-12-06 19:11:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:46,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:11:46,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:11:46,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:11:46,063 INFO L87 Difference]: Start difference. First operand 148 states and 187 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:46,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:46,204 INFO L93 Difference]: Finished difference Result 428 states and 559 transitions. [2021-12-06 19:11:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:11:46,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-06 19:11:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:46,207 INFO L225 Difference]: With dead ends: 428 [2021-12-06 19:11:46,207 INFO L226 Difference]: Without dead ends: 288 [2021-12-06 19:11:46,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:11:46,209 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 209 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:46,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 321 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:11:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-12-06 19:11:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2021-12-06 19:11:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 216 states have (on average 1.25) internal successors, (270), 227 states have internal predecessors, (270), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2021-12-06 19:11:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 357 transitions. [2021-12-06 19:11:46,230 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 357 transitions. Word has length 52 [2021-12-06 19:11:46,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:46,230 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 357 transitions. [2021-12-06 19:11:46,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:11:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 357 transitions. [2021-12-06 19:11:46,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-06 19:11:46,238 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:46,238 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:46,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:11:46,238 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:46,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:46,238 INFO L85 PathProgramCache]: Analyzing trace with hash 742025993, now seen corresponding path program 1 times [2021-12-06 19:11:46,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:46,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263382173] [2021-12-06 19:11:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:46,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:11:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:11:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:11:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 19:11:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:11:46,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:46,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263382173] [2021-12-06 19:11:46,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263382173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:46,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:46,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:11:46,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250833386] [2021-12-06 19:11:46,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:46,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:11:46,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:46,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:11:46,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:11:46,303 INFO L87 Difference]: Start difference. First operand 280 states and 357 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 19:11:46,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:46,455 INFO L93 Difference]: Finished difference Result 568 states and 737 transitions. [2021-12-06 19:11:46,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 19:11:46,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2021-12-06 19:11:46,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:46,458 INFO L225 Difference]: With dead ends: 568 [2021-12-06 19:11:46,458 INFO L226 Difference]: Without dead ends: 296 [2021-12-06 19:11:46,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:11:46,461 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 105 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:46,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 434 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:11:46,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2021-12-06 19:11:46,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2021-12-06 19:11:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 212 states have (on average 1.2169811320754718) internal successors, (258), 223 states have internal predecessors, (258), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2021-12-06 19:11:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 345 transitions. [2021-12-06 19:11:46,488 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 345 transitions. Word has length 54 [2021-12-06 19:11:46,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:46,489 INFO L470 AbstractCegarLoop]: Abstraction has 276 states and 345 transitions. [2021-12-06 19:11:46,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 19:11:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 345 transitions. [2021-12-06 19:11:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 19:11:46,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:46,490 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 19:11:46,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:11:46,491 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:46,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:46,491 INFO L85 PathProgramCache]: Analyzing trace with hash -731489466, now seen corresponding path program 1 times [2021-12-06 19:11:46,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:46,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414117929] [2021-12-06 19:11:46,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:46,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:11:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:11:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:11:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 19:11:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:11:46,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:46,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414117929] [2021-12-06 19:11:46,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414117929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:46,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:46,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 19:11:46,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274004986] [2021-12-06 19:11:46,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:46,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:11:46,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:46,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:11:46,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:11:46,600 INFO L87 Difference]: Start difference. First operand 276 states and 345 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:11:47,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:47,137 INFO L93 Difference]: Finished difference Result 873 states and 1145 transitions. [2021-12-06 19:11:47,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-06 19:11:47,137 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-06 19:11:47,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:47,141 INFO L225 Difference]: With dead ends: 873 [2021-12-06 19:11:47,141 INFO L226 Difference]: Without dead ends: 656 [2021-12-06 19:11:47,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2021-12-06 19:11:47,144 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 471 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:47,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [478 Valid, 865 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:11:47,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2021-12-06 19:11:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 533. [2021-12-06 19:11:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 410 states have (on average 1.2146341463414634) internal successors, (498), 434 states have internal predecessors, (498), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2021-12-06 19:11:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 667 transitions. [2021-12-06 19:11:47,181 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 667 transitions. Word has length 56 [2021-12-06 19:11:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:47,182 INFO L470 AbstractCegarLoop]: Abstraction has 533 states and 667 transitions. [2021-12-06 19:11:47,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:11:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 667 transitions. [2021-12-06 19:11:47,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 19:11:47,183 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:47,183 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-06 19:11:47,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:11:47,184 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:47,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:47,184 INFO L85 PathProgramCache]: Analyzing trace with hash -981985599, now seen corresponding path program 1 times [2021-12-06 19:11:47,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:47,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556030890] [2021-12-06 19:11:47,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:47,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:11:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:11:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:11:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 19:11:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:11:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:11:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:11:47,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:47,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556030890] [2021-12-06 19:11:47,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556030890] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:11:47,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990998329] [2021-12-06 19:11:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:47,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:11:47,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:11:47,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:11:47,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:11:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:47,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:11:47,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:11:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:11:47,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:11:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:11:47,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990998329] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:11:47,722 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:11:47,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2021-12-06 19:11:47,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41316574] [2021-12-06 19:11:47,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:11:47,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 19:11:47,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:47,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 19:11:47,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-12-06 19:11:47,723 INFO L87 Difference]: Start difference. First operand 533 states and 667 transitions. Second operand has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-06 19:11:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:48,377 INFO L93 Difference]: Finished difference Result 1150 states and 1477 transitions. [2021-12-06 19:11:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-06 19:11:48,377 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2021-12-06 19:11:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:48,381 INFO L225 Difference]: With dead ends: 1150 [2021-12-06 19:11:48,381 INFO L226 Difference]: Without dead ends: 674 [2021-12-06 19:11:48,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1631, Unknown=0, NotChecked=0, Total=1980 [2021-12-06 19:11:48,384 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 427 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:48,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [428 Valid, 1342 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 19:11:48,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-12-06 19:11:48,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 598. [2021-12-06 19:11:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 454 states have (on average 1.2026431718061674) internal successors, (546), 486 states have internal predecessors, (546), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-06 19:11:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 721 transitions. [2021-12-06 19:11:48,418 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 721 transitions. Word has length 96 [2021-12-06 19:11:48,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:48,418 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 721 transitions. [2021-12-06 19:11:48,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-06 19:11:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 721 transitions. [2021-12-06 19:11:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-06 19:11:48,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:48,421 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:11:48,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:11:48,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:11:48,622 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:48,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:48,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1684606529, now seen corresponding path program 1 times [2021-12-06 19:11:48,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:48,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933793565] [2021-12-06 19:11:48,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:48,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:11:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:11:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 19:11:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:11:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:11:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 19:11:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 19:11:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-06 19:11:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-06 19:11:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-06 19:11:48,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:48,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933793565] [2021-12-06 19:11:48,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933793565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:48,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:48,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 19:11:48,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573398073] [2021-12-06 19:11:48,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:48,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:11:48,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:48,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:11:48,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:11:48,758 INFO L87 Difference]: Start difference. First operand 598 states and 721 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-06 19:11:49,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:49,244 INFO L93 Difference]: Finished difference Result 1713 states and 2093 transitions. [2021-12-06 19:11:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 19:11:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 168 [2021-12-06 19:11:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:49,252 INFO L225 Difference]: With dead ends: 1713 [2021-12-06 19:11:49,252 INFO L226 Difference]: Without dead ends: 1123 [2021-12-06 19:11:49,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2021-12-06 19:11:49,256 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 547 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:49,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [551 Valid, 730 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:11:49,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2021-12-06 19:11:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2021-12-06 19:11:49,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 849 states have (on average 1.171967020023557) internal successors, (995), 904 states have internal predecessors, (995), 143 states have call successors, (143), 122 states have call predecessors, (143), 128 states have return successors, (186), 130 states have call predecessors, (186), 143 states have call successors, (186) [2021-12-06 19:11:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1324 transitions. [2021-12-06 19:11:49,313 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1324 transitions. Word has length 168 [2021-12-06 19:11:49,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:49,314 INFO L470 AbstractCegarLoop]: Abstraction has 1121 states and 1324 transitions. [2021-12-06 19:11:49,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-06 19:11:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1324 transitions. [2021-12-06 19:11:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 19:11:49,318 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:49,318 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:11:49,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:11:49,318 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:49,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:49,318 INFO L85 PathProgramCache]: Analyzing trace with hash 734259323, now seen corresponding path program 1 times [2021-12-06 19:11:49,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:49,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077240914] [2021-12-06 19:11:49,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:49,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:11:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:11:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:11:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:11:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:11:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:11:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 19:11:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 19:11:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 19:11:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 19:11:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 87 proven. 10 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-06 19:11:49,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:49,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077240914] [2021-12-06 19:11:49,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077240914] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:11:49,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903999899] [2021-12-06 19:11:49,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:49,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:11:49,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:11:49,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:11:49,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:11:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:49,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:11:49,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:11:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-12-06 19:11:49,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:11:49,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903999899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:49,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:11:49,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-12-06 19:11:49,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810914134] [2021-12-06 19:11:49,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:49,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:11:49,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:49,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:11:49,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:11:49,724 INFO L87 Difference]: Start difference. First operand 1121 states and 1324 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:11:49,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:49,824 INFO L93 Difference]: Finished difference Result 2058 states and 2439 transitions. [2021-12-06 19:11:49,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:11:49,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 172 [2021-12-06 19:11:49,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:49,832 INFO L225 Difference]: With dead ends: 2058 [2021-12-06 19:11:49,832 INFO L226 Difference]: Without dead ends: 1043 [2021-12-06 19:11:49,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2021-12-06 19:11:49,835 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 71 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:49,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 420 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:11:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-12-06 19:11:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1027. [2021-12-06 19:11:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 784 states have (on average 1.1658163265306123) internal successors, (914), 830 states have internal predecessors, (914), 128 states have call successors, (128), 111 states have call predecessors, (128), 114 states have return successors, (164), 116 states have call predecessors, (164), 128 states have call successors, (164) [2021-12-06 19:11:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1206 transitions. [2021-12-06 19:11:49,897 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1206 transitions. Word has length 172 [2021-12-06 19:11:49,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:49,897 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1206 transitions. [2021-12-06 19:11:49,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:11:49,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1206 transitions. [2021-12-06 19:11:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-06 19:11:49,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:49,902 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:11:49,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:11:50,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 19:11:50,102 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:11:50,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:50,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1208270879, now seen corresponding path program 1 times [2021-12-06 19:11:50,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:50,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966330971] [2021-12-06 19:11:50,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:50,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:11:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:11:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 19:11:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:11:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:11:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:11:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 19:11:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 19:11:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-06 19:11:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 19:11:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 19:11:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-06 19:11:50,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:50,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966330971] [2021-12-06 19:11:50,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966330971] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:11:50,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471027875] [2021-12-06 19:11:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:50,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:11:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:11:50,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:11:50,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:11:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:50,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 19:11:50,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:11:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 142 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 19:11:50,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:11:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 82 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-06 19:11:50,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471027875] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:11:50,926 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:11:50,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2021-12-06 19:11:50,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442528909] [2021-12-06 19:11:50,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:11:50,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-06 19:11:50,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:50,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-06 19:11:50,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=529, Unknown=0, NotChecked=0, Total=650 [2021-12-06 19:11:50,928 INFO L87 Difference]: Start difference. First operand 1027 states and 1206 transitions. Second operand has 26 states, 26 states have (on average 8.346153846153847) internal successors, (217), 22 states have internal predecessors, (217), 9 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) [2021-12-06 19:11:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:51,722 INFO L93 Difference]: Finished difference Result 2162 states and 2608 transitions. [2021-12-06 19:11:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-06 19:11:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.346153846153847) internal successors, (217), 22 states have internal predecessors, (217), 9 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) Word has length 176 [2021-12-06 19:11:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:51,724 INFO L225 Difference]: With dead ends: 2162 [2021-12-06 19:11:51,724 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:11:51,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 374 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=557, Invalid=2095, Unknown=0, NotChecked=0, Total=2652 [2021-12-06 19:11:51,729 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 895 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:51,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [898 Valid, 512 Invalid, 1782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 19:11:51,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:11:51,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:11:51,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:11:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:11:51,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2021-12-06 19:11:51,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:51,730 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:11:51,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.346153846153847) internal successors, (217), 22 states have internal predecessors, (217), 9 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (35), 8 states have call predecessors, (35), 9 states have call successors, (35) [2021-12-06 19:11:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:11:51,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:11:51,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:11:51,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:11:51,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 19:11:51,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:12:00,081 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 713 719) no Hoare annotation was computed. [2021-12-06 19:12:00,081 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 713 719) the Hoare annotation is: true [2021-12-06 19:12:00,081 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse8 .cse5 .cse1 .cse4) (or .cse0 .cse8 .cse1 .cse7 .cse4) (or .cse8 .cse1 .cse6 .cse3 .cse4))) [2021-12-06 19:12:00,081 INFO L858 garLoopResultBuilder]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2021-12-06 19:12:00,081 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2021-12-06 19:12:00,082 INFO L854 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and .cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse5 .cse3 .cse7 .cse4) (or .cse0 .cse5 .cse3 .cse4 .cse8) (or .cse0 .cse1 .cse2 .cse6 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse4 .cse9 (and .cse10 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (or .cse5 .cse6 .cse4 .cse9 .cse8)))) [2021-12-06 19:12:00,082 INFO L854 garLoopResultBuilder]: At program point L766-1(lines 747 771) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse28 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse12 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse13 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~6#1|)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (< 0 (+ |timeShift_processEnvironment_~tmp~6#1| 1))) (.cse29 (<= ~waterLevel~0 1)) (.cse30 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse22 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse23 (<= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse25 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse26 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse31 (not .cse4)) (.cse9 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse9 .cse8)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse18 (not (= |old(~waterLevel~0)| 1))) (.cse24 (= ~waterLevel~0 1)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse27 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (and .cse20 .cse21 .cse29 .cse30 .cse22 .cse23 .cse11 .cse25 .cse26 .cse31)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse14 (and .cse9 .cse28 .cse10 .cse29 .cse30 .cse11 .cse12 .cse31 .cse13)) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse28)) (.cse17 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4 .cse6 (and .cse7 (= 2 ~waterLevel~0) .cse8)) (or (and .cse9 .cse10 .cse8 .cse11 .cse12 .cse13) .cse14 .cse15 .cse3 .cse4 .cse6 .cse16) (or .cse1 .cse2 .cse3 (and .cse7 .cse8) .cse17 .cse4) (or .cse18 .cse14 .cse15 .cse3 .cse4 .cse16) (or .cse19 .cse18 .cse15 .cse5 .cse4 .cse16) (or .cse15 .cse5 .cse4 .cse6 (and .cse20 .cse21 .cse22 .cse23 .cse24 .cse11 .cse25 .cse26) .cse27) (or .cse15 .cse3 .cse4 .cse24 .cse6 .cse27) (or .cse0 .cse19 .cse15 .cse5 (and .cse20 .cse21 .cse22 .cse23 .cse8 .cse11 .cse25 .cse26) .cse4 .cse16) (or .cse14 .cse15 .cse3 .cse17 .cse4))))) [2021-12-06 19:12:00,082 INFO L854 garLoopResultBuilder]: At program point L795(lines 788 798) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse20 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse10 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse21 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse25 (= ~methaneLevelCritical~0 0)) (.cse22 (<= ~waterLevel~0 1)) (.cse23 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse19 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse24 (not .cse2))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse13 (and .cse21 .cse6 .cse25 .cse22 .cse23 .cse16 .cse9 .cse18 .cse19 .cse24)) (.cse4 (not .cse25)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (and .cse21 .cse6 .cse20 .cse7 .cse22 .cse23 .cse9 .cse10 .cse24)) (.cse1 (not .cse20)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse3 (and .cse6 .cse7 .cse8 .cse9 .cse10) .cse11) (or .cse12 .cse5 .cse13 .cse4 .cse2 .cse14) (or .cse12 .cse5 .cse15 .cse1 .cse2 .cse14) (or .cse5 .cse13 .cse4 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse5 .cse4 .cse2 .cse8 .cse3 .cse11) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse16 .cse17 .cse9 .cse18 .cse19) .cse5 .cse13 .cse4 .cse2 .cse14) (or (and .cse6 .cse7 .cse17 .cse9 .cse10) .cse5 .cse15 .cse1 .cse2 .cse3 .cse14))))) [2021-12-06 19:12:00,082 INFO L858 garLoopResultBuilder]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2021-12-06 19:12:00,082 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 686 712) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L854 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse10 .cse11 .cse15)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (and .cse14 .cse11 .cse15)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse8 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse6 .cse3) (or .cse8 (not (< 1 |old(~waterLevel~0)|)) .cse2 (and .cse10 .cse11 (<= 2 ~waterLevel~0) .cse12) .cse3 .cse13) (or .cse7 .cse0 .cse8 .cse9 .cse3) (or .cse1 .cse9 (and .cse14 .cse11 (< 1 ~waterLevel~0) .cse12) .cse3 .cse13 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse9 .cse3 .cse4 .cse5)))) [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L181-1(line 181) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L693-2(lines 689 711) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L755(lines 755 763) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 768) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 208) no Hoare annotation was computed. [2021-12-06 19:12:00,083 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2021-12-06 19:12:00,084 INFO L854 garLoopResultBuilder]: At program point L194-1(lines 186 214) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse21 (< 0 (+ |timeShift_processEnvironment_~tmp~6#1| 1))) (.cse22 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse23 (<= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse26 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse27 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse30 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse32 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse20 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse31 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse35 (<= ~waterLevel~0 1)) (.cse36 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse25 (<= 1 ~switchedOnBeforeTS~0)) (.cse33 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse17 (not .cse4)) (.cse34 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~6#1|)) (.cse37 (<= 1 ~methaneLevelCritical~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse12 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (.cse24 (= ~waterLevel~0 1)) (.cse28 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not .cse37)) (.cse2 (and .cse19 .cse20 .cse15 .cse37 .cse31 .cse35 .cse36 .cse25 .cse33 .cse17 .cse34)) (.cse29 (and .cse14 .cse15 .cse30 .cse13 .cse32 .cse17)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (<= 2 ~waterLevel~0)) (.cse5 (and .cse14 .cse19 .cse20 .cse21 .cse35 .cse36 .cse22 .cse23 .cse25 .cse26 .cse27 .cse17)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse18 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse4 .cse8) (or .cse9 (and .cse10 .cse11 .cse12 .cse13) .cse1 (and .cse14 .cse15 .cse11 .cse16 .cse12 .cse13 .cse17) .cse3 .cse4) (or (and .cse10 .cse11 .cse12) .cse9 (not (< 1 |old(~waterLevel~0)|)) .cse7 .cse4 .cse18 (and .cse14 .cse15 .cse11 .cse16 .cse12 .cse17)) (or .cse0 .cse7 .cse4 .cse18 (and .cse14 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse17) .cse28) (or .cse29 (not (<= |old(~waterLevel~0)| 1)) .cse9 .cse1 .cse4) (or .cse0 .cse1 .cse4 .cse24 .cse18 .cse28) (or .cse0 .cse1 .cse2 .cse4 .cse18 (and .cse15 .cse30 .cse31 .cse13 .cse25 .cse32 .cse33 .cse17 .cse34) .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse4 .cse8) (or .cse29 .cse9 .cse7 (and .cse16 .cse13) .cse4 .cse18) (or (and .cse14 .cse21 .cse30 .cse22 .cse23 .cse13 .cse25 .cse26 .cse32 .cse27 .cse17) .cse5 .cse0 .cse7 .cse4 .cse18 .cse8))))) [2021-12-06 19:12:00,084 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-06 19:12:00,084 INFO L854 garLoopResultBuilder]: At program point L661(lines 656 664) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse24 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse32 (= ~methaneLevelCritical~0 0)) (.cse15 (< 0 (+ |timeShift_processEnvironment_~tmp~6#1| 1))) (.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse17 (<= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse20 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse21 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse33 (<= 1 ~pumpRunning~0)) (.cse37 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse26 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse23 (= ~pumpRunning~0 0)) (.cse31 (<= 1 ~methaneLevelCritical~0)) (.cse25 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse34 (<= ~waterLevel~0 1)) (.cse35 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse19 (<= 1 ~switchedOnBeforeTS~0)) (.cse27 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse36 (not .cse4)) (.cse28 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~6#1|))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse6 (and .cse14 .cse23 .cse31 .cse25 .cse34 .cse35 .cse19 .cse27 .cse36 .cse28)) (.cse8 (and .cse23 .cse37 .cse26)) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (and .cse33 .cse37 .cse26)) (.cse2 (and .cse33 .cse13 .cse14 .cse32 .cse15 .cse34 .cse35 .cse16 .cse17 .cse19 .cse20 .cse21 .cse36)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse18 (= ~waterLevel~0 1)) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse22 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not .cse32)) (.cse29 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not .cse31)) (.cse30 (and .cse23 .cse24 .cse26))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse4 .cse5) (or .cse8 .cse9 .cse10 .cse7 .cse11 .cse4 .cse12) (or .cse1 .cse3 (and .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21) .cse4 .cse12 .cse22) (or .cse6 .cse1 .cse7 .cse4 .cse12 (and .cse23 .cse24 .cse25 .cse26 .cse19 .cse27 .cse28) .cse5) (or .cse8 .cse9 .cse10 .cse3 .cse11 .cse4 .cse12) (or .cse1 (and .cse13 .cse15 .cse24 .cse16 .cse17 .cse26 .cse19 .cse20 .cse21) .cse2 .cse3 .cse4 .cse12 .cse5) (or .cse1 .cse7 (and .cse14 .cse23 .cse25 .cse18 .cse19 .cse27 .cse28) .cse4 .cse12 .cse22) (or .cse29 .cse9 .cse3 .cse30 .cse4) (or .cse29 .cse9 .cse7 .cse30 .cse4))))) [2021-12-06 19:12:00,084 INFO L854 garLoopResultBuilder]: At program point L785(lines 780 787) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= 0 ~systemActive~0)) (.cse10 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~6#1|))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse6 .cse13 .cse7 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8 .cse9 (not .cse2) .cse10)) (.cse4 (not .cse13)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse1 .cse2 .cse5) (or .cse0 .cse4 (and .cse6 .cse7 (= ~waterLevel~0 1) .cse8 .cse9 .cse10) .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse11 .cse0 .cse4 .cse2 .cse12) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse6 .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse9 .cse10) .cse11 .cse0 .cse4 .cse2 .cse12) (or .cse0 .cse1 .cse2 .cse5 .cse12)))) [2021-12-06 19:12:00,084 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2021-12-06 19:12:00,084 INFO L854 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (< 0 (+ |timeShift_processEnvironment_~tmp~6#1| 1))) (.cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse11 (<= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse14 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (and .cse8 .cse9 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse10 .cse11 .cse12 .cse13 .cse14 (not .cse2))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse4 .cse2 .cse7) (or .cse6 .cse4 .cse2 .cse3 (and .cse8 .cse9 .cse10 .cse11 (= ~waterLevel~0 1) .cse12 .cse13 .cse14) (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse15 .cse6 .cse1 .cse2 .cse7) (or .cse15 .cse5 .cse6 .cse4 (and .cse8 .cse9 .cse10 .cse11 (= |old(~waterLevel~0)| ~waterLevel~0) .cse12 .cse13 .cse14) .cse2 .cse7)))) [2021-12-06 19:12:00,084 INFO L854 garLoopResultBuilder]: At program point L183(lines 176 185) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and .cse11 .cse12)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3 .cse4 .cse7) (or .cse5 .cse6 .cse8 .cse4 .cse9 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse8 .cse10 .cse4) (or .cse5 .cse6 .cse3 .cse10 .cse4) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse4 .cse9 (and .cse11 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (or .cse5 .cse6 .cse8 .cse4 .cse9 .cse7)))) [2021-12-06 19:12:00,085 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse3 .cse7) (or .cse0 .cse1 .cse3 .cse6 .cse7))) [2021-12-06 19:12:00,085 INFO L854 garLoopResultBuilder]: At program point L629(lines 624 632) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse19 (<= 1 ~methaneLevelCritical~0)) (.cse15 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse20 (<= 1 ~pumpRunning~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse22 (not .cse8))) (let ((.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse1 (and .cse20 .cse2 .cse18 (<= ~waterLevel~0 1) .cse21 .cse4 .cse5 .cse22)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (and .cse20 .cse2 .cse19 .cse15 .cse21 .cse4 .cse22)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (not .cse19)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not .cse18)) (.cse16 (= ~waterLevel~0 1)) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse17 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse11 .cse8 .cse12) (or .cse10 .cse7 .cse8 .cse12) (or .cse1 .cse13 .cse6 .cse7 .cse8 .cse9) (or .cse13 .cse14 .cse6 .cse11 .cse8 .cse9) (or .cse1 .cse6 .cse7 (not (= |old(~waterLevel~0)| 2)) .cse8) (or .cse0 (and .cse2 .cse15 .cse3 .cse4) .cse14 .cse6 .cse11 .cse8 .cse9) (or .cse6 .cse11 (and .cse2 .cse15 .cse16 .cse4) .cse8 .cse12 .cse17) (or .cse6 .cse7 .cse8 .cse16 .cse12 .cse17))))) [2021-12-06 19:12:00,085 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 596) no Hoare annotation was computed. [2021-12-06 19:12:00,085 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 686 712) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse10 .cse11 .cse15)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (and .cse14 .cse11 .cse15)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse8 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse6 .cse3) (or .cse8 (not (< 1 |old(~waterLevel~0)|)) .cse2 (and .cse10 .cse11 (<= 2 ~waterLevel~0) .cse12) .cse3 .cse13) (or .cse7 .cse0 .cse8 .cse9 .cse3) (or .cse1 .cse9 (and .cse14 .cse11 (< 1 ~waterLevel~0) .cse12) .cse3 .cse13 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse9 .cse3 .cse4 .cse5)))) [2021-12-06 19:12:00,085 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 588 599) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (not .cse2)) (.cse19 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~waterLevel~0 1)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not .cse19)) (.cse13 (and .cse11 .cse19 .cse16 .cse17 .cse12 .cse18)) (.cse14 (and .cse11 (= |old(~waterLevel~0)| ~waterLevel~0) .cse12)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not .cse15)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= 1 ~pumpRunning~0) .cse11 .cse15 .cse16 .cse17 .cse12 .cse18)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse6) (or .cse7 .cse5 .cse1 .cse2 .cse6 .cse8) (or .cse5 .cse1 .cse2 .cse9 .cse3 .cse10) (or .cse5 .cse4 (and .cse11 .cse9 .cse12) .cse2 .cse3 .cse10) (or .cse7 .cse5 .cse4 .cse13 .cse2 .cse8) (or .cse14 .cse5 .cse4 .cse13 .cse2 .cse3 .cse8) (or .cse14 .cse5 .cse1 .cse2 .cse3 .cse6 .cse8))))) [2021-12-06 19:12:00,085 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 686 712) no Hoare annotation was computed. [2021-12-06 19:12:00,085 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-06 19:12:00,085 INFO L854 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse14 (= 0 ~systemActive~0))) (let ((.cse25 (= |timeShift_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0)) (.cse27 (<= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse28 (<= ~methaneLevelCritical~0 |timeShift_processEnvironment_~tmp~6#1|)) (.cse31 (<= 1 ~methaneLevelCritical~0)) (.cse24 (= ~pumpRunning~0 0)) (.cse6 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse22 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse23 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse35 (= ~methaneLevelCritical~0 0)) (.cse5 (< 0 (+ |timeShift_processEnvironment_~tmp~6#1| 1))) (.cse32 (<= ~waterLevel~0 1)) (.cse33 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse8 (<= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) (.cse13 (= |timeShift_isMethaneLevelCritical_#res#1| 0)) (.cse34 (not .cse14))) (let ((.cse16 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and (<= 1 ~pumpRunning~0) .cse4 .cse22 .cse23 .cse35 .cse5 .cse32 .cse33 .cse7 .cse8 .cse10 .cse11 .cse13 .cse34)) (.cse18 (and .cse24 .cse6 .cse9 .cse12)) (.cse17 (not (= |old(~pumpRunning~0)| 0))) (.cse21 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not .cse35)) (.cse26 (= ~waterLevel~0 1)) (.cse20 (not (<= |old(~waterLevel~0)| 2))) (.cse29 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse19 (not .cse31)) (.cse30 (and .cse22 .cse23 .cse24 .cse31 .cse25 .cse32 .cse33 .cse10 .cse27 .cse34 .cse28)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) .cse14 .cse15) (or .cse1 .cse2 .cse16 .cse3 .cse14) (or .cse17 .cse2 .cse16 .cse14) (or .cse18 .cse0 .cse17 .cse2 .cse14) (or .cse17 (not (< 1 |old(~waterLevel~0)|)) .cse19 .cse14 .cse20) (or .cse21 .cse1 .cse2 .cse3 .cse14 .cse15) (or .cse1 .cse19 (and .cse22 .cse23 .cse24 .cse25 .cse26 .cse10 .cse27 .cse28) .cse14 .cse20 .cse29) (or .cse18 .cse0 .cse17 .cse19 .cse14) (or .cse21 .cse1 .cse19 .cse30 .cse14 .cse15) (or .cse1 .cse2 .cse14 .cse26 .cse20 .cse29) (or .cse0 .cse1 .cse19 .cse30 (and .cse24 .cse6 .cse25 .cse9 .cse10 .cse12 .cse27 .cse28) .cse14 .cse15))))) [2021-12-06 19:12:00,085 INFO L858 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: true [2021-12-06 19:12:00,086 INFO L861 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L861 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L861 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2021-12-06 19:12:00,086 INFO L861 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 933) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L854 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 19:12:00,086 INFO L858 garLoopResultBuilder]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2021-12-06 19:12:00,086 INFO L854 garLoopResultBuilder]: At program point L122(lines 118 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L151-2(lines 151 158) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L861 garLoopResultBuilder]: At program point L135(lines 127 137) the Hoare annotation is: true [2021-12-06 19:12:00,087 INFO L854 garLoopResultBuilder]: At program point L965(lines 916 966) the Hoare annotation is: false [2021-12-06 19:12:00,087 INFO L861 garLoopResultBuilder]: At program point L160(lines 141 163) the Hoare annotation is: true [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L854 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 19:12:00,087 INFO L854 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L858 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2021-12-06 19:12:00,087 INFO L854 garLoopResultBuilder]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse9 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-06 19:12:00,087 INFO L854 garLoopResultBuilder]: At program point L929(line 929) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse9 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse5 .cse6))) [2021-12-06 19:12:00,088 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:12:00,088 INFO L854 garLoopResultBuilder]: At program point L868(lines 863 870) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse10 .cse9 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse10 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4 .cse7) (and .cse10 .cse1 .cse8 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-12-06 19:12:00,088 INFO L858 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2021-12-06 19:12:00,088 INFO L854 garLoopResultBuilder]: At program point L955-2(lines 947 960) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse10 .cse9 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse10 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4 .cse7) (and .cse10 .cse1 .cse8 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2021-12-06 19:12:00,088 INFO L858 garLoopResultBuilder]: For program point L918(lines 917 964) no Hoare annotation was computed. [2021-12-06 19:12:00,088 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 960) no Hoare annotation was computed. [2021-12-06 19:12:00,088 INFO L854 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 .cse6) (and .cse7 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5 .cse8 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse8 (<= 1 ~switchedOnBeforeTS~0) .cse6))) [2021-12-06 19:12:00,088 INFO L861 garLoopResultBuilder]: At program point L968(lines 907 972) the Hoare annotation is: true [2021-12-06 19:12:00,088 INFO L854 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 19:12:00,088 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 721 745) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (< 1 ~waterLevel~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse6 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse7 .cse6 .cse5 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2 .cse7 .cse4 .cse5) (or .cse1 .cse2 .cse7 .cse6 .cse5))) [2021-12-06 19:12:00,089 INFO L854 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) (not .cse3)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 (not (<= ~waterLevel~0 1)) .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse4 .cse1 .cse2 .cse3)))) [2021-12-06 19:12:00,089 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-12-06 19:12:00,089 INFO L854 garLoopResultBuilder]: At program point L859(lines 844 862) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse4))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 (= 2 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse5 .cse6 .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse4)))) [2021-12-06 19:12:00,089 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 737) no Hoare annotation was computed. [2021-12-06 19:12:00,089 INFO L858 garLoopResultBuilder]: For program point L725(lines 725 742) no Hoare annotation was computed. [2021-12-06 19:12:00,089 INFO L858 garLoopResultBuilder]: For program point L853(lines 853 857) no Hoare annotation was computed. [2021-12-06 19:12:00,089 INFO L858 garLoopResultBuilder]: For program point L853-2(lines 853 857) no Hoare annotation was computed. [2021-12-06 19:12:00,090 INFO L854 garLoopResultBuilder]: At program point L777(lines 772 779) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= ~waterLevel~0 1)) .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4))) [2021-12-06 19:12:00,090 INFO L854 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse0 .cse3 .cse1) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1))) [2021-12-06 19:12:00,090 INFO L858 garLoopResultBuilder]: For program point L740-1(lines 721 745) no Hoare annotation was computed. [2021-12-06 19:12:00,090 INFO L854 garLoopResultBuilder]: At program point L674(lines 665 678) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= ~waterLevel~0 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse3 .cse4 .cse0 .cse5 .cse2) (or .cse3 .cse6 .cse0 .cse1 .cse2) (or .cse3 .cse6 (and .cse4 (= 2 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse2)))) [2021-12-06 19:12:00,090 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 721 745) no Hoare annotation was computed. [2021-12-06 19:12:00,090 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2021-12-06 19:12:00,090 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2021-12-06 19:12:00,090 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse2 .cse3 .cse4))) [2021-12-06 19:12:00,091 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2021-12-06 19:12:00,091 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2021-12-06 19:12:00,091 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 799 807) no Hoare annotation was computed. [2021-12-06 19:12:00,093 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:00,094 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:12:00,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:12:00 BoogieIcfgContainer [2021-12-06 19:12:00,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:12:00,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:12:00,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:12:00,135 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:12:00,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:11:44" (3/4) ... [2021-12-06 19:12:00,138 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:12:00,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:12:00,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:12:00,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:12:00,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:12:00,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:12:00,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:12:00,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-06 19:12:00,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-06 19:12:00,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:12:00,149 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:12:00,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:12:00,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:12:00,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:12:00,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:12:00,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 19:12:00,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 19:12:00,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 19:12:00,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-12-06 19:12:00,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && 2 <= waterLevel) && waterLevel <= 2))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-12-06 19:12:00,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && ((((((((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && 2 <= waterLevel) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((((1 <= pumpRunning && 2 == \result) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && 2 <= waterLevel) && tmp == 2) && !(0 == systemActive)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && tmp < 2) && !(0 == systemActive)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((((pumpRunning == 0 && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp < 2) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && tmp < 2) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result < 2) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && tmp < 2) && \result == 0) && !(0 == systemActive)) || (((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((((pumpRunning == 0 && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(waterLevel) == 1) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || (((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2021-12-06 19:12:00,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((((((((\result <= waterLevel && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((((((((\result <= waterLevel && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == 0 && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || ((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result < 2) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2021-12-06 19:12:00,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) <= 1) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive))) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && \result == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2021-12-06 19:12:00,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || !(1 <= \old(pumpRunning))) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) [2021-12-06 19:12:00,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == 0 && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:12:00,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) [2021-12-06 19:12:00,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) [2021-12-06 19:12:00,189 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:12:00,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:12:00,190 INFO L158 Benchmark]: Toolchain (without parser) took 16046.61ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 74.5MB in the beginning and 78.2MB in the end (delta: -3.7MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,190 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:12:00,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.12ms. Allocated memory is still 113.2MB. Free memory was 74.2MB in the beginning and 82.4MB in the end (delta: -8.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.05ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 79.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,191 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,191 INFO L158 Benchmark]: RCFGBuilder took 330.54ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 62.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,191 INFO L158 Benchmark]: TraceAbstraction took 15245.73ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 61.5MB in the beginning and 85.6MB in the end (delta: -24.1MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,191 INFO L158 Benchmark]: Witness Printer took 54.26ms. Allocated memory is still 197.1MB. Free memory was 85.6MB in the beginning and 78.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:12:00,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.12ms. Allocated memory is still 113.2MB. Free memory was 74.2MB in the beginning and 82.4MB in the end (delta: -8.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.05ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 79.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 113.2MB. Free memory was 79.9MB in the beginning and 78.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.54ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 62.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15245.73ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 61.5MB in the beginning and 85.6MB in the end (delta: -24.1MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. * Witness Printer took 54.26ms. Allocated memory is still 197.1MB. Free memory was 85.6MB in the beginning and 78.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3074 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3036 mSDsluCounter, 5998 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4283 mSDsCounter, 1092 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4097 IncrementalHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1092 mSolverCounterUnsat, 1715 mSDtfsCounter, 4097 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1102 GetRequests, 893 SyntacticMatches, 5 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred in iteration=11, InterpolantAutomatonStates: 170, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 260 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 2728 PreInvPairs, 3176 NumberOfFragments, 6317 HoareAnnotationTreeSize, 2728 FomulaSimplifications, 4938 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 46169 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1469 NumberOfCodeBlocks, 1469 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1723 ConstructedInterpolants, 0 QuantifiedInterpolants, 3458 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1833 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 1194/1281 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == 0 && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == 0 && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || (((((pumpRunning == \old(pumpRunning) && \result <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || !(1 <= \old(pumpRunning))) || (((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && 2 <= waterLevel) && waterLevel <= 2))) && (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((((((((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && ((((((((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == \result) && tmp == 2) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && 2 <= waterLevel) && tmp == 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((((1 <= pumpRunning && 2 == \result) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == \result) && 2 <= waterLevel) && tmp == 2) && !(0 == systemActive)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && tmp < 2) && !(0 == systemActive)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((((pumpRunning == 0 && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp < 2) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && \old(waterLevel) == waterLevel) && tmp < 2) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result < 2) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && tmp < 2) && \result == 0) && !(0 == systemActive)) || (((((((((((pumpRunning == \old(pumpRunning) && tmp <= waterLevel) && \result <= waterLevel) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((((((((\result <= waterLevel && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((((((((\result <= waterLevel && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((((pumpRunning == 0 && \result < 2) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((!(1 <= \old(pumpRunning)) || ((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result < 2) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && methaneLevelCritical == 0) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || ((((((\result <= waterLevel && pumpRunning == 0) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((((pumpRunning == 0 && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(waterLevel) == 1) || ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || (((((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && \result <= 0) && tmp <= 0) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && 0 <= \result) && \result == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && methaneLevelCritical <= \result) && !(0 == systemActive)) && methaneLevelCritical <= tmp) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && 2 == waterLevel) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 665]: Loop Invariant Derived loop invariant: ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) <= 1) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive))) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && \result == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive)) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && methaneLevelCritical == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && \result == 0) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((((!(\old(waterLevel) <= 1) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && \result == methaneLevelCritical) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == methaneLevelCritical) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || (pumpRunning == 0 && 2 == waterLevel)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) && ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-06 19:12:00,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cfd7cdf-0722-417e-a3b1-e4c59ac66a0f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE