./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:59:06,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:59:06,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:59:06,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:59:06,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:59:06,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:59:06,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:59:06,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:59:06,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:59:06,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:59:06,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:59:06,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:59:06,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:59:06,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:59:06,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:59:06,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:59:06,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:59:06,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:59:06,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:59:06,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:59:06,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:59:06,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:59:06,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:59:06,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:59:06,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:59:06,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:59:06,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:59:06,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:59:06,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:59:06,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:59:06,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:59:06,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:59:06,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:59:06,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:59:06,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:59:06,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:59:06,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:59:06,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:59:06,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:59:06,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:59:06,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:59:06,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:59:06,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:59:06,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:59:06,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:59:06,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:59:06,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:59:06,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:59:06,423 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:59:06,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:59:06,423 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:59:06,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:59:06,424 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:59:06,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:59:06,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:59:06,425 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:59:06,425 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:59:06,425 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:59:06,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:59:06,426 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:59:06,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:59:06,427 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:59:06,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:59:06,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:59:06,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:59:06,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:59:06,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:59:06,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:59:06,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:59:06,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:59:06,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:59:06,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:59:06,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:59:06,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:59:06,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:59:06,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:59:06,432 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:59:06,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:59:06,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:59:06,432 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:59:06,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:59:06,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:59:06,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:59:06,433 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_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a218bb67596641a4ce71d6987e627686ed630ab4299f0e9b54dfa98d78549c82 [2022-11-20 20:59:06,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:59:06,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:59:06,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:59:06,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:59:06,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:59:06,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2022-11-20 20:59:09,814 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:59:10,089 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:59:10,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2022-11-20 20:59:10,117 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/data/5ca04c2cc/01d3bd9143c84f9c8dc4d707f60206bb/FLAGf52497303 [2022-11-20 20:59:10,131 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/data/5ca04c2cc/01d3bd9143c84f9c8dc4d707f60206bb [2022-11-20 20:59:10,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:59:10,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:59:10,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:59:10,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:59:10,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:59:10,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6451beec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10, skipping insertion in model container [2022-11-20 20:59:10,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:59:10,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:59:10,459 WARN L237 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_2f218fc0-ab42-44fb-8e69-67e170566fef/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2022-11-20 20:59:10,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:59:10,571 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:59:10,591 WARN L237 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_2f218fc0-ab42-44fb-8e69-67e170566fef/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c[3241,3254] [2022-11-20 20:59:10,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:59:10,686 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:59:10,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10 WrapperNode [2022-11-20 20:59:10,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:59:10,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:59:10,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:59:10,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:59:10,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,739 INFO L138 Inliner]: procedures = 59, calls = 104, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 226 [2022-11-20 20:59:10,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:59:10,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:59:10,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:59:10,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:59:10,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:59:10,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:59:10,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:59:10,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:59:10,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (1/1) ... [2022-11-20 20:59:10,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:59:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:59:10,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:59:10,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:59:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:59:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 20:59:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 20:59:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 20:59:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 20:59:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 20:59:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 20:59:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 20:59:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 20:59:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 20:59:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 20:59:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 20:59:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 20:59:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 20:59:10,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 20:59:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:59:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 20:59:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 20:59:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:59:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:59:10,959 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:59:10,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:59:11,440 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:59:11,583 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:59:11,583 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:59:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:59:11 BoogieIcfgContainer [2022-11-20 20:59:11,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:59:11,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:59:11,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:59:11,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:59:11,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:59:10" (1/3) ... [2022-11-20 20:59:11,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e05dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:59:11, skipping insertion in model container [2022-11-20 20:59:11,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:59:10" (2/3) ... [2022-11-20 20:59:11,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e05dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:59:11, skipping insertion in model container [2022-11-20 20:59:11,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:59:11" (3/3) ... [2022-11-20 20:59:11,606 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2022-11-20 20:59:11,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:59:11,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:59:11,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:59:11,731 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@527bc012, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:59:11,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:59:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 20:59:11,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:59:11,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:11,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:11,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:11,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:11,753 INFO L85 PathProgramCache]: Analyzing trace with hash -998284583, now seen corresponding path program 1 times [2022-11-20 20:59:11,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:11,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514738919] [2022-11-20 20:59:11,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:11,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:12,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:12,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514738919] [2022-11-20 20:59:12,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514738919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:12,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:12,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:59:12,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899632319] [2022-11-20 20:59:12,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:12,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:59:12,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:12,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:59:12,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:59:12,053 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:12,135 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-20 20:59:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:59:12,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 20:59:12,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:12,150 INFO L225 Difference]: With dead ends: 130 [2022-11-20 20:59:12,150 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 20:59:12,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:59:12,161 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:12,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:59:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 20:59:12,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 20:59:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 20:59:12,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-20 20:59:12,227 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 17 [2022-11-20 20:59:12,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:12,228 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-20 20:59:12,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-20 20:59:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:59:12,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:12,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:12,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:59:12,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:12,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash -753123146, now seen corresponding path program 1 times [2022-11-20 20:59:12,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:12,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652132246] [2022-11-20 20:59:12,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:12,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:12,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652132246] [2022-11-20 20:59:12,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652132246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:12,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:12,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:59:12,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675971236] [2022-11-20 20:59:12,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:59:12,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:12,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:59:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:59:12,355 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:12,412 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-20 20:59:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:59:12,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-20 20:59:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:12,414 INFO L225 Difference]: With dead ends: 94 [2022-11-20 20:59:12,414 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 20:59:12,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:59:12,422 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:12,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 92 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:59:12,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 20:59:12,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 20:59:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 20:59:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-20 20:59:12,433 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 18 [2022-11-20 20:59:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:12,433 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-20 20:59:12,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-20 20:59:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 20:59:12,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:12,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:12,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:59:12,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:12,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:12,442 INFO L85 PathProgramCache]: Analyzing trace with hash 733716672, now seen corresponding path program 1 times [2022-11-20 20:59:12,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:12,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388311040] [2022-11-20 20:59:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:12,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:12,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388311040] [2022-11-20 20:59:12,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388311040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:12,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:12,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:59:12,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11314173] [2022-11-20 20:59:12,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:12,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:59:12,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:12,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:59:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:59:12,706 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:12,886 INFO L93 Difference]: Finished difference Result 138 states and 180 transitions. [2022-11-20 20:59:12,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:59:12,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-20 20:59:12,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:12,890 INFO L225 Difference]: With dead ends: 138 [2022-11-20 20:59:12,892 INFO L226 Difference]: Without dead ends: 87 [2022-11-20 20:59:12,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 20:59:12,896 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 92 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:12,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 141 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:59:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-20 20:59:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2022-11-20 20:59:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 66 states have internal predecessors, (76), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-20 20:59:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-20 20:59:12,930 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 21 [2022-11-20 20:59:12,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:12,931 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-20 20:59:12,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-20 20:59:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 20:59:12,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:12,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:12,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:59:12,941 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:12,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1549383013, now seen corresponding path program 1 times [2022-11-20 20:59:12,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:12,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6067201] [2022-11-20 20:59:12,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:12,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:13,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:13,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6067201] [2022-11-20 20:59:13,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6067201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:13,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:13,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:59:13,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44160019] [2022-11-20 20:59:13,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:13,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:59:13,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:13,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:59:13,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:59:13,134 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:13,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:13,350 INFO L93 Difference]: Finished difference Result 244 states and 322 transitions. [2022-11-20 20:59:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 20:59:13,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-20 20:59:13,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:13,359 INFO L225 Difference]: With dead ends: 244 [2022-11-20 20:59:13,359 INFO L226 Difference]: Without dead ends: 162 [2022-11-20 20:59:13,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:59:13,372 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 45 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:13,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 278 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:59:13,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-20 20:59:13,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154. [2022-11-20 20:59:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 120 states have internal predecessors, (137), 30 states have call successors, (30), 22 states have call predecessors, (30), 22 states have return successors, (32), 22 states have call predecessors, (32), 30 states have call successors, (32) [2022-11-20 20:59:13,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 199 transitions. [2022-11-20 20:59:13,433 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 199 transitions. Word has length 24 [2022-11-20 20:59:13,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:13,433 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 199 transitions. [2022-11-20 20:59:13,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:59:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 199 transitions. [2022-11-20 20:59:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 20:59:13,436 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:13,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:13,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:59:13,437 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:13,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:13,438 INFO L85 PathProgramCache]: Analyzing trace with hash -44152356, now seen corresponding path program 1 times [2022-11-20 20:59:13,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:13,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924319977] [2022-11-20 20:59:13,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:13,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:13,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:13,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924319977] [2022-11-20 20:59:13,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924319977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:13,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:13,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:59:13,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018607760] [2022-11-20 20:59:13,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:13,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:59:13,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:13,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:59:13,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:59:13,583 INFO L87 Difference]: Start difference. First operand 154 states and 199 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 20:59:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:13,675 INFO L93 Difference]: Finished difference Result 236 states and 312 transitions. [2022-11-20 20:59:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:59:13,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-20 20:59:13,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:13,685 INFO L225 Difference]: With dead ends: 236 [2022-11-20 20:59:13,685 INFO L226 Difference]: Without dead ends: 234 [2022-11-20 20:59:13,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:59:13,687 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:13,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 115 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:59:13,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-11-20 20:59:13,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2022-11-20 20:59:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 182 states have internal predecessors, (208), 46 states have call successors, (46), 34 states have call predecessors, (46), 34 states have return successors, (55), 34 states have call predecessors, (55), 46 states have call successors, (55) [2022-11-20 20:59:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 309 transitions. [2022-11-20 20:59:13,725 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 309 transitions. Word has length 27 [2022-11-20 20:59:13,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:13,725 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 309 transitions. [2022-11-20 20:59:13,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 20:59:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 309 transitions. [2022-11-20 20:59:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 20:59:13,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:13,728 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 20:59:13,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:59:13,728 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:13,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:13,729 INFO L85 PathProgramCache]: Analyzing trace with hash 93449741, now seen corresponding path program 1 times [2022-11-20 20:59:13,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:13,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313306757] [2022-11-20 20:59:13,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:59:14,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:14,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313306757] [2022-11-20 20:59:14,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313306757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:14,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:59:14,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:59:14,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506379589] [2022-11-20 20:59:14,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:14,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:59:14,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:14,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:59:14,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:59:14,018 INFO L87 Difference]: Start difference. First operand 234 states and 309 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 20:59:14,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:14,509 INFO L93 Difference]: Finished difference Result 619 states and 841 transitions. [2022-11-20 20:59:14,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 20:59:14,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 48 [2022-11-20 20:59:14,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:14,517 INFO L225 Difference]: With dead ends: 619 [2022-11-20 20:59:14,517 INFO L226 Difference]: Without dead ends: 387 [2022-11-20 20:59:14,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:59:14,522 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 111 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:14,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 200 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 20:59:14,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-11-20 20:59:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 361. [2022-11-20 20:59:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 245 states have (on average 1.2612244897959184) internal successors, (309), 268 states have internal predecessors, (309), 57 states have call successors, (57), 51 states have call predecessors, (57), 58 states have return successors, (88), 58 states have call predecessors, (88), 57 states have call successors, (88) [2022-11-20 20:59:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 454 transitions. [2022-11-20 20:59:14,621 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 454 transitions. Word has length 48 [2022-11-20 20:59:14,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:14,622 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 454 transitions. [2022-11-20 20:59:14,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 20:59:14,622 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 454 transitions. [2022-11-20 20:59:14,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 20:59:14,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:14,626 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-20 20:59:14,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:59:14,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:14,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1521216682, now seen corresponding path program 1 times [2022-11-20 20:59:14,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:14,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805997450] [2022-11-20 20:59:14,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:14,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:59:15,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:15,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805997450] [2022-11-20 20:59:15,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805997450] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:59:15,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467515251] [2022-11-20 20:59:15,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:15,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:59:15,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:59:15,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:59:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:15,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 20:59:15,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:59:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:59:15,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:59:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 20:59:16,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467515251] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:59:16,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [483721305] [2022-11-20 20:59:16,482 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-20 20:59:16,482 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:59:16,493 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:59:16,500 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:59:16,500 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:59:18,668 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2022-11-20 20:59:19,096 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-20 20:59:19,280 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 42 for LOIs [2022-11-20 20:59:19,287 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 29 for LOIs [2022-11-20 20:59:19,292 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 33 for LOIs [2022-11-20 20:59:19,295 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:59:25,526 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4178#(and (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (<= 0 |old(~pumpRunning~0)|) (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (<= |#NULL.offset| 0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~11#1|) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~11#1|) (<= 0 ~head~0.base) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 1) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1|) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-20 20:59:25,527 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:59:25,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:59:25,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 9] total 25 [2022-11-20 20:59:25,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525270654] [2022-11-20 20:59:25,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:59:25,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-20 20:59:25,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:25,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-20 20:59:25,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=2878, Unknown=0, NotChecked=0, Total=3192 [2022-11-20 20:59:25,530 INFO L87 Difference]: Start difference. First operand 361 states and 454 transitions. Second operand has 25 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 8 states have call successors, (16), 6 states have call predecessors, (16), 13 states have return successors, (18), 11 states have call predecessors, (18), 8 states have call successors, (18) [2022-11-20 20:59:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:28,453 INFO L93 Difference]: Finished difference Result 1149 states and 1599 transitions. [2022-11-20 20:59:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-20 20:59:28,460 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 8 states have call successors, (16), 6 states have call predecessors, (16), 13 states have return successors, (18), 11 states have call predecessors, (18), 8 states have call successors, (18) Word has length 62 [2022-11-20 20:59:28,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:28,472 INFO L225 Difference]: With dead ends: 1149 [2022-11-20 20:59:28,472 INFO L226 Difference]: Without dead ends: 790 [2022-11-20 20:59:28,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3169 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=906, Invalid=8406, Unknown=0, NotChecked=0, Total=9312 [2022-11-20 20:59:28,480 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 997 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:28,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 567 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [500 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 20:59:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2022-11-20 20:59:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 611. [2022-11-20 20:59:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 414 states have (on average 1.2439613526570048) internal successors, (515), 452 states have internal predecessors, (515), 98 states have call successors, (98), 88 states have call predecessors, (98), 98 states have return successors, (143), 97 states have call predecessors, (143), 98 states have call successors, (143) [2022-11-20 20:59:28,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 756 transitions. [2022-11-20 20:59:28,589 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 756 transitions. Word has length 62 [2022-11-20 20:59:28,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:28,593 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 756 transitions. [2022-11-20 20:59:28,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 8 states have call successors, (16), 6 states have call predecessors, (16), 13 states have return successors, (18), 11 states have call predecessors, (18), 8 states have call successors, (18) [2022-11-20 20:59:28,593 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 756 transitions. [2022-11-20 20:59:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 20:59:28,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:28,598 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:59:28,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:59:28,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:28,807 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:28,808 INFO L85 PathProgramCache]: Analyzing trace with hash 452822030, now seen corresponding path program 1 times [2022-11-20 20:59:28,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:28,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517590766] [2022-11-20 20:59:28,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 20:59:29,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:29,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517590766] [2022-11-20 20:59:29,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517590766] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:59:29,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474997025] [2022-11-20 20:59:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:29,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:29,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:59:29,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:59:29,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:59:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:29,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 20:59:29,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:59:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:59:29,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:59:29,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474997025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:29,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:59:29,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2022-11-20 20:59:29,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884913820] [2022-11-20 20:59:29,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:29,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:59:29,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:29,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:59:29,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:59:29,414 INFO L87 Difference]: Start difference. First operand 611 states and 756 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 20:59:29,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:29,576 INFO L93 Difference]: Finished difference Result 1152 states and 1456 transitions. [2022-11-20 20:59:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:59:29,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2022-11-20 20:59:29,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:29,581 INFO L225 Difference]: With dead ends: 1152 [2022-11-20 20:59:29,581 INFO L226 Difference]: Without dead ends: 609 [2022-11-20 20:59:29,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:59:29,585 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 39 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:29,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 172 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:59:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2022-11-20 20:59:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 580. [2022-11-20 20:59:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 391 states have (on average 1.207161125319693) internal successors, (472), 421 states have internal predecessors, (472), 96 states have call successors, (96), 86 states have call predecessors, (96), 92 states have return successors, (122), 95 states have call predecessors, (122), 96 states have call successors, (122) [2022-11-20 20:59:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 690 transitions. [2022-11-20 20:59:29,657 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 690 transitions. Word has length 68 [2022-11-20 20:59:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:29,659 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 690 transitions. [2022-11-20 20:59:29,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 20:59:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 690 transitions. [2022-11-20 20:59:29,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 20:59:29,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:29,663 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:59:29,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:59:29,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:29,870 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:29,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:29,870 INFO L85 PathProgramCache]: Analyzing trace with hash -375909483, now seen corresponding path program 1 times [2022-11-20 20:59:29,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:29,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127848915] [2022-11-20 20:59:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:29,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 20:59:30,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:30,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127848915] [2022-11-20 20:59:30,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127848915] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:59:30,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868622109] [2022-11-20 20:59:30,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:30,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:30,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:59:30,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:59:30,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:59:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:30,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 20:59:30,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:59:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 20:59:30,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:59:30,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868622109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:59:30,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:59:30,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 18 [2022-11-20 20:59:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189337353] [2022-11-20 20:59:30,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:59:30,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:59:30,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:30,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:59:30,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-11-20 20:59:30,746 INFO L87 Difference]: Start difference. First operand 580 states and 690 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-20 20:59:31,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:59:31,709 INFO L93 Difference]: Finished difference Result 2597 states and 3116 transitions. [2022-11-20 20:59:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 20:59:31,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) Word has length 91 [2022-11-20 20:59:31,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:59:31,721 INFO L225 Difference]: With dead ends: 2597 [2022-11-20 20:59:31,722 INFO L226 Difference]: Without dead ends: 2019 [2022-11-20 20:59:31,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2022-11-20 20:59:31,727 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 266 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:59:31,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 445 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 498 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:59:31,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2022-11-20 20:59:31,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 1853. [2022-11-20 20:59:31,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1853 states, 1273 states have (on average 1.2120974076983504) internal successors, (1543), 1341 states have internal predecessors, (1543), 294 states have call successors, (294), 271 states have call predecessors, (294), 285 states have return successors, (375), 290 states have call predecessors, (375), 294 states have call successors, (375) [2022-11-20 20:59:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2212 transitions. [2022-11-20 20:59:31,973 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2212 transitions. Word has length 91 [2022-11-20 20:59:31,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:59:31,973 INFO L495 AbstractCegarLoop]: Abstraction has 1853 states and 2212 transitions. [2022-11-20 20:59:31,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 5 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-20 20:59:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2212 transitions. [2022-11-20 20:59:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 20:59:31,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:59:31,980 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 20:59:31,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:59:32,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:32,186 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:59:32,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:59:32,187 INFO L85 PathProgramCache]: Analyzing trace with hash 263831655, now seen corresponding path program 1 times [2022-11-20 20:59:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:59:32,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181111064] [2022-11-20 20:59:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:32,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:59:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:59:33,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:59:33,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181111064] [2022-11-20 20:59:33,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181111064] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:59:33,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73408627] [2022-11-20 20:59:33,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:59:33,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:59:33,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:59:33,452 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:59:33,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:59:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:59:33,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 20:59:33,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:59:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:59:34,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:59:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 20:59:35,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73408627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:59:35,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1893602139] [2022-11-20 20:59:35,233 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-20 20:59:35,233 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:59:35,233 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:59:35,233 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:59:35,234 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:59:39,994 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 44 for LOIs [2022-11-20 20:59:40,002 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-11-20 20:59:40,331 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 60 for LOIs [2022-11-20 20:59:40,820 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 40 for LOIs [2022-11-20 20:59:40,826 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-20 20:59:40,833 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 36 for LOIs [2022-11-20 20:59:40,835 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 32 for LOIs [2022-11-20 20:59:40,838 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:59:46,810 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '17449#(and (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (<= |timeShift_isPumpRunning_#res#1| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~11#1|) (= 1 ~systemActive~0) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~11#1|) (<= 0 ~head~0.base) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 1) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (<= ~head~0.base 0) (<= 0 (+ |timeShift_isPumpRunning_#res#1| 2147483648)) (<= 0 |#NULL.offset|) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1|) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-20 20:59:46,810 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 20:59:46,810 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:59:46,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 45 [2022-11-20 20:59:46,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894106887] [2022-11-20 20:59:46,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 20:59:46,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-20 20:59:46,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:59:46,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-20 20:59:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=638, Invalid=5682, Unknown=0, NotChecked=0, Total=6320 [2022-11-20 20:59:46,815 INFO L87 Difference]: Start difference. First operand 1853 states and 2212 transitions. Second operand has 45 states, 39 states have (on average 4.051282051282051) internal successors, (158), 38 states have internal predecessors, (158), 21 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (34), 17 states have call predecessors, (34), 20 states have call successors, (34) [2022-11-20 21:00:53,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:00:53,284 INFO L93 Difference]: Finished difference Result 19283 states and 28379 transitions. [2022-11-20 21:00:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 712 states. [2022-11-20 21:00:53,284 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 39 states have (on average 4.051282051282051) internal successors, (158), 38 states have internal predecessors, (158), 21 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (34), 17 states have call predecessors, (34), 20 states have call successors, (34) Word has length 94 [2022-11-20 21:00:53,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:00:53,397 INFO L225 Difference]: With dead ends: 19283 [2022-11-20 21:00:53,397 INFO L226 Difference]: Without dead ends: 17230 [2022-11-20 21:00:53,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1062 GetRequests, 278 SyntacticMatches, 9 SemanticMatches, 775 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278764 ImplicationChecksByTransitivity, 44.6s TimeCoverageRelationStatistics Valid=35114, Invalid=567838, Unknown=0, NotChecked=0, Total=602952 [2022-11-20 21:00:53,488 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 7700 mSDsluCounter, 8407 mSDsCounter, 0 mSdLazyCounter, 32160 mSolverCounterSat, 12495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7711 SdHoareTripleChecker+Valid, 8939 SdHoareTripleChecker+Invalid, 44655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12495 IncrementalHoareTripleChecker+Valid, 32160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-20 21:00:53,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7711 Valid, 8939 Invalid, 44655 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12495 Valid, 32160 Invalid, 0 Unknown, 0 Unchecked, 24.3s Time] [2022-11-20 21:00:53,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17230 states. [2022-11-20 21:00:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17230 to 6333. [2022-11-20 21:00:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6333 states, 4514 states have (on average 1.221976074435091) internal successors, (5516), 4757 states have internal predecessors, (5516), 948 states have call successors, (948), 830 states have call predecessors, (948), 870 states have return successors, (1186), 897 states have call predecessors, (1186), 948 states have call successors, (1186) [2022-11-20 21:00:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6333 states to 6333 states and 7650 transitions. [2022-11-20 21:00:55,036 INFO L78 Accepts]: Start accepts. Automaton has 6333 states and 7650 transitions. Word has length 94 [2022-11-20 21:00:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:00:55,037 INFO L495 AbstractCegarLoop]: Abstraction has 6333 states and 7650 transitions. [2022-11-20 21:00:55,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 39 states have (on average 4.051282051282051) internal successors, (158), 38 states have internal predecessors, (158), 21 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (34), 17 states have call predecessors, (34), 20 states have call successors, (34) [2022-11-20 21:00:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 7650 transitions. [2022-11-20 21:00:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 21:00:55,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:00:55,055 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 21:00:55,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 21:00:55,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 21:00:55,263 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:00:55,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:00:55,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1751167548, now seen corresponding path program 1 times [2022-11-20 21:00:55,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:00:55,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936651805] [2022-11-20 21:00:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:00:55,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:00:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:00:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-20 21:00:55,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:00:55,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936651805] [2022-11-20 21:00:55,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936651805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:00:55,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:00:55,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:00:55,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000206985] [2022-11-20 21:00:55,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:00:55,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:00:55,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:00:55,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:00:55,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:00:55,410 INFO L87 Difference]: Start difference. First operand 6333 states and 7650 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 21:00:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:00:56,538 INFO L93 Difference]: Finished difference Result 6747 states and 8244 transitions. [2022-11-20 21:00:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 21:00:56,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2022-11-20 21:00:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:00:56,594 INFO L225 Difference]: With dead ends: 6747 [2022-11-20 21:00:56,594 INFO L226 Difference]: Without dead ends: 6733 [2022-11-20 21:00:56,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:00:56,600 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 50 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:00:56,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 155 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:00:56,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-11-20 21:00:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6245. [2022-11-20 21:00:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6245 states, 4452 states have (on average 1.222596585804133) internal successors, (5443), 4691 states have internal predecessors, (5443), 928 states have call successors, (928), 822 states have call predecessors, (928), 864 states have return successors, (1164), 883 states have call predecessors, (1164), 928 states have call successors, (1164) [2022-11-20 21:00:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 7535 transitions. [2022-11-20 21:00:57,836 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 7535 transitions. Word has length 118 [2022-11-20 21:00:57,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:00:57,836 INFO L495 AbstractCegarLoop]: Abstraction has 6245 states and 7535 transitions. [2022-11-20 21:00:57,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 21:00:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 7535 transitions. [2022-11-20 21:00:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 21:00:57,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:00:57,852 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:00:57,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 21:00:57,853 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:00:57,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:00:57,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1904465058, now seen corresponding path program 1 times [2022-11-20 21:00:57,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:00:57,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186089648] [2022-11-20 21:00:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:00:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:00:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:00:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 69 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-20 21:00:59,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:00:59,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186089648] [2022-11-20 21:00:59,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186089648] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 21:00:59,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380915711] [2022-11-20 21:00:59,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:00:59,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 21:00:59,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:00:59,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 21:00:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 21:00:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:00:59,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 21:00:59,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 21:00:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 21:00:59,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 21:01:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 84 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-20 21:01:00,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380915711] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 21:01:00,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1100924169] [2022-11-20 21:01:00,172 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-20 21:01:00,172 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 21:01:00,173 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 21:01:00,173 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 21:01:00,173 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 21:01:13,127 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 42 for LOIs [2022-11-20 21:01:13,133 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2022-11-20 21:01:13,363 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 60 for LOIs [2022-11-20 21:01:13,805 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 39 for LOIs [2022-11-20 21:01:13,811 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 27 for LOIs [2022-11-20 21:01:13,815 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 36 for LOIs [2022-11-20 21:01:13,818 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 21:01:20,732 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '77077#(and (<= 0 |#NULL.base|) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (<= 0 ~systemActive~0) (<= |timeShift_isPumpRunning_#res#1| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~11#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~11#1|) (<= 0 ~head~0.base) (or (and (= ~head~0.offset 0) (= 1 ~systemActive~0) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4)) (and (= ~head~0.offset 0) (= |old(~pumpRunning~0)| 0) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4))) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 1) (<= |#NULL.base| 0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (<= ~head~0.base 0) (<= 0 (+ |timeShift_isPumpRunning_#res#1| 2147483648)) (<= 0 |#NULL.offset|) (not (= ~methAndRunningLastTime~0 0)) (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1|) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1))' at error location [2022-11-20 21:01:20,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 21:01:20,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 21:01:20,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11, 8] total 35 [2022-11-20 21:01:20,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089063269] [2022-11-20 21:01:20,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 21:01:20,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-20 21:01:20,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:01:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 21:01:20,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=4781, Unknown=0, NotChecked=0, Total=5256 [2022-11-20 21:01:20,736 INFO L87 Difference]: Start difference. First operand 6245 states and 7535 transitions. Second operand has 35 states, 32 states have (on average 5.28125) internal successors, (169), 29 states have internal predecessors, (169), 16 states have call successors, (39), 11 states have call predecessors, (39), 13 states have return successors, (39), 14 states have call predecessors, (39), 16 states have call successors, (39) [2022-11-20 21:01:31,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:01:31,153 INFO L93 Difference]: Finished difference Result 17723 states and 22164 transitions. [2022-11-20 21:01:31,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2022-11-20 21:01:31,154 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 5.28125) internal successors, (169), 29 states have internal predecessors, (169), 16 states have call successors, (39), 11 states have call predecessors, (39), 13 states have return successors, (39), 14 states have call predecessors, (39), 16 states have call successors, (39) Word has length 123 [2022-11-20 21:01:31,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:01:31,159 INFO L225 Difference]: With dead ends: 17723 [2022-11-20 21:01:31,160 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:01:31,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 375 SyntacticMatches, 7 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19585 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=5221, Invalid=44285, Unknown=0, NotChecked=0, Total=49506 [2022-11-20 21:01:31,203 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1461 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 5346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 21:01:31,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 1776 Invalid, 5346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 21:01:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:01:31,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:01:31,205 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) [2022-11-20 21:01:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:01:31,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-20 21:01:31,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:01:31,208 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:01:31,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 5.28125) internal successors, (169), 29 states have internal predecessors, (169), 16 states have call successors, (39), 11 states have call predecessors, (39), 13 states have return successors, (39), 14 states have call predecessors, (39), 16 states have call successors, (39) [2022-11-20 21:01:31,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:01:31,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:01:31,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:01:31,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 21:01:31,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 21:01:31,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 21:02:20,401 WARN L233 SmtUtils]: Spent 48.58s on a formula simplification. DAG size of input: 1425 DAG size of output: 1008 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:02:48,635 WARN L233 SmtUtils]: Spent 24.69s on a formula simplification. DAG size of input: 1053 DAG size of output: 706 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:03:45,899 WARN L233 SmtUtils]: Spent 46.31s on a formula simplification. DAG size of input: 790 DAG size of output: 785 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:06:02,514 WARN L233 SmtUtils]: Spent 2.28m on a formula simplification. DAG size of input: 1982 DAG size of output: 1352 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:06:43,280 WARN L233 SmtUtils]: Spent 40.76s on a formula simplification. DAG size of input: 1023 DAG size of output: 798 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:07:01,328 WARN L233 SmtUtils]: Spent 17.84s on a formula simplification. DAG size of input: 655 DAG size of output: 556 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-20 21:07:18,721 WARN L233 SmtUtils]: Spent 11.94s on a formula simplification. DAG size of input: 809 DAG size of output: 52 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:07:32,482 WARN L233 SmtUtils]: Spent 13.75s on a formula simplification. DAG size of input: 1008 DAG size of output: 40 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:07:42,754 WARN L233 SmtUtils]: Spent 10.21s on a formula simplification. DAG size of input: 819 DAG size of output: 47 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:08:00,533 WARN L233 SmtUtils]: Spent 13.37s on a formula simplification. DAG size of input: 1077 DAG size of output: 64 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:08:06,267 WARN L233 SmtUtils]: Spent 5.73s on a formula simplification. DAG size of input: 706 DAG size of output: 39 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:08:21,893 WARN L233 SmtUtils]: Spent 15.56s on a formula simplification. DAG size of input: 940 DAG size of output: 91 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:08:45,382 WARN L233 SmtUtils]: Spent 22.00s on a formula simplification. DAG size of input: 1037 DAG size of output: 104 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:08:53,586 WARN L233 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 713 DAG size of output: 38 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:09:10,297 WARN L233 SmtUtils]: Spent 15.91s on a formula simplification. DAG size of input: 1030 DAG size of output: 51 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:09:23,355 WARN L233 SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 751 DAG size of output: 39 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:09:51,727 WARN L233 SmtUtils]: Spent 22.41s on a formula simplification. DAG size of input: 1352 DAG size of output: 45 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:10:01,107 WARN L233 SmtUtils]: Spent 9.36s on a formula simplification. DAG size of input: 798 DAG size of output: 42 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:10:34,454 WARN L233 SmtUtils]: Spent 27.61s on a formula simplification. DAG size of input: 1193 DAG size of output: 115 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:10:49,625 WARN L233 SmtUtils]: Spent 14.42s on a formula simplification. DAG size of input: 896 DAG size of output: 80 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 21:10:49,630 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 862 869) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~pumpRunning~0)| 0) (= 0 ~systemActive~0)) [2022-11-20 21:10:49,630 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 862 869) no Hoare annotation was computed. [2022-11-20 21:10:49,630 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 777 783) no Hoare annotation was computed. [2022-11-20 21:10:49,631 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 777 783) the Hoare annotation is: true [2022-11-20 21:10:49,631 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse7 (not .cse5)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 0 ~pumpRunning~0)) (and (not (< 1 ~waterLevel~0)) (not .cse1)) .cse2 (not (<= ~pumpRunning~0 0))) (or .cse3 .cse4 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse7 .cse3 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse7 .cse0 (not (= ~pumpRunning~0 1)) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse7 .cse3 .cse4 .cse0 .cse1 .cse2) (or .cse6 .cse3 .cse5 .cse0 .cse1 .cse2)))) [2022-11-20 21:10:49,631 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-11-20 21:10:49,631 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1016) no Hoare annotation was computed. [2022-11-20 21:10:49,632 INFO L895 garLoopResultBuilder]: At program point L825(line 825) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse3))) (and (or .cse0 (not (= 1 ~systemActive~0)) .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse3 .cse4) (or .cse0 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse5)))) [2022-11-20 21:10:49,632 INFO L895 garLoopResultBuilder]: At program point L821(line 821) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse10 (+ ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |timeShift_processEnvironment_~tmp~6#1| 1)) (.cse3 (<= .cse10 |old(~waterLevel~0)|)) (.cse4 (<= |old(~waterLevel~0)| .cse10)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= 0 |old(~pumpRunning~0)|))) (.cse9 (not .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) .cse5 .cse6) (or .cse0 (not (= 1 ~systemActive~0)) .cse7 .cse8) (or .cse0 .cse7 .cse8 .cse9) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 .cse3 .cse4) .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse9)))) [2022-11-20 21:10:49,633 INFO L895 garLoopResultBuilder]: At program point L1003(line 1003) the Hoare annotation is: (let ((.cse16 (= 0 ~systemActive~0))) (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse20 (not .cse16)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse23 (= |old(~pumpRunning~0)| 0)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse22 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (and (<= ~pumpRunning~0 0) .cse8 (<= 0 ~pumpRunning~0) .cse22)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse9 (= ~pumpRunning~0 1)) (.cse24 (= ~waterLevel~0 1)) (.cse25 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not .cse23)) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse21 (and .cse4 .cse5 .cse8 .cse22)) (.cse12 (and (not (< 1 |old(~waterLevel~0)|)) .cse20)) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse10 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse18 (and .cse4 .cse8)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse26 (and .cse4 .cse5 (= |timeShift_processEnvironment_~tmp~6#1| 1) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse3 (not .cse11)) (.cse17 (not (= |old(~pumpRunning~0)| 1))) (.cse19 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7) (and (<= 2 ~waterLevel~0) .cse8 .cse9) .cse10) (or .cse0 .cse11 .cse12 .cse2 .cse13 .cse10) (or .cse14 .cse15 .cse0 (and .cse4 .cse5 .cse7) (not (<= 1 |old(~waterLevel~0)|)) .cse16) (or .cse0 .cse1 .cse3 .cse17 .cse16 .cse18 .cse19) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse13 .cse10 .cse20) (or .cse15 .cse0 .cse5 .cse11 .cse6 .cse16) (or .cse0 .cse21 .cse2 .cse3 (and .cse5 .cse8 .cse22 .cse20 .cse9) .cse10 .cse19) (or .cse0 .cse11 .cse23 .cse16 .cse24 .cse25 .cse19) (or .cse0 .cse26 .cse11 .cse23 .cse16 .cse19) (or .cse0 .cse3 .cse17 .cse16 .cse24 .cse25 .cse19) (or .cse15 .cse0 .cse11 .cse21 .cse1 .cse16) (or .cse14 .cse0 .cse21 .cse12 .cse2 .cse3 .cse10) (or .cse0 .cse11 .cse1 .cse18 .cse19) (or .cse0 .cse26 .cse3 .cse17 .cse16 .cse19))))) [2022-11-20 21:10:49,633 INFO L899 garLoopResultBuilder]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2022-11-20 21:10:49,633 INFO L895 garLoopResultBuilder]: At program point L165(line 165) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse3))) (and (or .cse0 (not (= 1 ~systemActive~0)) .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse3 .cse4) (or .cse0 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse5)))) [2022-11-20 21:10:49,634 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse4)) (.cse7 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse1 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) .cse3) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse6) (or .cse0 (not (= 1 ~systemActive~0)) .cse1 .cse2 .cse3) (or .cse0 (= ~methaneLevelCritical~0 0) .cse7 .cse4 .cse5) (or .cse8 .cse2 .cse3 .cse6) (or (not .cse7) .cse0 .cse8 .cse1)))) [2022-11-20 21:10:49,634 INFO L895 garLoopResultBuilder]: At program point L830-1(lines 811 835) the Hoare annotation is: (let ((.cse17 (= |old(~pumpRunning~0)| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse13 (= 0 ~systemActive~0)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse18 (= ~waterLevel~0 1)) (.cse19 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (and .cse0 .cse8 .cse9)) (.cse11 (= ~pumpRunning~0 1)) (.cse14 (and .cse0 .cse10)) (.cse3 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 0 |old(~pumpRunning~0)|))) (.cse20 (not .cse13)) (.cse21 (and .cse0 .cse8 (= |timeShift_processEnvironment_~tmp~6#1| 1) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse7 (not .cse2)) (.cse12 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse15 (not .cse17)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse22 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7 (and .cse0 .cse8 (< |old(~waterLevel~0)| 2) .cse9) (and (<= 2 ~waterLevel~0) .cse10 .cse11) .cse4) (or .cse1 .cse6 .cse7 .cse12 .cse13 .cse14 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse15 .cse1 .cse16 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse17 .cse13 .cse18 .cse19 .cse5) (or .cse1 .cse3 .cse4 .cse20) (or .cse1 .cse21 .cse2 .cse17 .cse13 .cse5) (or .cse1 .cse7 .cse12 .cse13 .cse18 .cse19 .cse5) (or .cse1 .cse16 .cse3 (and .cse8 .cse10 .cse22 .cse11) .cse4 .cse5) (or .cse1 .cse2 .cse6 .cse14 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse20) (or .cse1 .cse21 .cse7 .cse12 .cse13 .cse5) (or .cse15 .cse1 .cse2 (and .cse0 .cse8 .cse10 .cse22) .cse6)))) [2022-11-20 21:10:49,634 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-11-20 21:10:49,635 INFO L899 garLoopResultBuilder]: For program point L757-1(lines 756 775) no Hoare annotation was computed. [2022-11-20 21:10:49,635 INFO L899 garLoopResultBuilder]: For program point L819(lines 819 827) no Hoare annotation was computed. [2022-11-20 21:10:49,635 INFO L899 garLoopResultBuilder]: For program point L1009(lines 1009 1019) no Hoare annotation was computed. [2022-11-20 21:10:49,635 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse16 (= ~waterLevel~0 1)) (.cse15 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (and .cse15 .cse6 .cse7)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and .cse15 .cse6 .cse16)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse8)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (<= |old(~pumpRunning~0)| 0))) (.cse14 (not (<= 0 |old(~pumpRunning~0)|))) (.cse12 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7) .cse1 .cse8 .cse5 .cse9) (or .cse0 .cse10 .cse1 .cse11 .cse8 .cse5) (or .cse1 .cse3 (and (not (< 1 |old(~waterLevel~0)|)) .cse12) .cse13 .cse14) (or .cse0 .cse1 .cse8 .cse2 .cse3 .cse5) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse6 .cse7 (= ~pumpRunning~0 1)) .cse5 .cse9) (or .cse0 .cse10 .cse1 .cse11 .cse4 .cse5) (or .cse11 .cse13 (and .cse15 .cse16) .cse14 .cse12)))) [2022-11-20 21:10:49,636 INFO L895 garLoopResultBuilder]: At program point L815(lines 815 832) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (let ((.cse4 (= |old(~pumpRunning~0)| 0)) (.cse1 (and (= ~pumpRunning~0 0) .cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|))) (.cse8 (not .cse7))) (and (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse0 (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse4 (let ((.cse6 (+ ~waterLevel~0 1))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (<= .cse6 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse6))) .cse7 (not (<= 2 |old(~waterLevel~0)|))) (or (not .cse4) .cse0 .cse1 (not (= 1 ~systemActive~0))) (or .cse0 .cse2 .cse3 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse8)))) [2022-11-20 21:10:49,637 INFO L895 garLoopResultBuilder]: At program point L1005(lines 1005 1022) the Hoare annotation is: (let ((.cse14 (= 0 ~systemActive~0))) (let ((.cse26 (= ~pumpRunning~0 0)) (.cse19 (= ~methAndRunningLastTime~0 0)) (.cse20 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse25 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (<= ~pumpRunning~0 0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0)) (.cse17 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= 0 ~pumpRunning~0)) (.cse18 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not .cse14)) (.cse21 (= |old(~pumpRunning~0)| 0))) (let ((.cse6 (not .cse21)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse22 (= ~waterLevel~0 1)) (.cse23 (not (<= |old(~waterLevel~0)| 2))) (.cse28 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse30 (and (not (< 1 |old(~waterLevel~0)|)) .cse13)) (.cse16 (and .cse10 .cse11 .cse17 .cse12 .cse18)) (.cse27 (and .cse8 .cse25)) (.cse29 (and .cse26 .cse19 .cse20 .cse17 .cse18)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not .cse8)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (not (<= 0 |old(~pumpRunning~0)|))) (.cse24 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 (and .cse9 .cse10 .cse3 .cse11 .cse12 .cse13) .cse14) (or .cse6 .cse0 .cse8 .cse1 (and .cse9 .cse10 .cse3 .cse11 .cse15 .cse12 .cse13) .cse14) (or .cse7 .cse8 .cse16 .cse2 .cse4 .cse13) (or (and (<= 2 ~waterLevel~0) .cse17) .cse6 .cse0 (and .cse9 .cse10 .cse15 .cse12 .cse13) (not (<= 1 |old(~waterLevel~0)|)) .cse14) (or .cse7 .cse2 (and .cse10 .cse17 .cse12 .cse18) .cse4 .cse13) (or .cse0 .cse7 .cse2 .cse3 .cse4 (and .cse19 .cse20)) (or .cse0 .cse8 .cse21 .cse14 .cse22 .cse23 .cse24) (or .cse0 .cse8 .cse1 .cse17 .cse24) (or .cse0 .cse1 .cse3 .cse25 .cse17 .cse14 .cse24) (or .cse0 .cse3 .cse25 .cse14 .cse22 .cse23 .cse24) (or (and .cse26 .cse19 (= |timeShift_processEnvironment_~tmp~6#1| 1) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse11) .cse0 .cse27 .cse21 .cse14 .cse24) (or .cse28 .cse29 .cse0 .cse30 .cse2 .cse3 .cse4) (or .cse28 .cse0 (and .cse26 .cse19 .cse20 .cse15) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse30 .cse16 .cse2 .cse27 .cse4) (or .cse29 .cse0 .cse2 .cse3 (and .cse19 .cse11 .cse18 .cse13 .cse5) .cse4 .cse24))))) [2022-11-20 21:10:49,637 INFO L895 garLoopResultBuilder]: At program point L1005-1(lines 997 1025) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| 0)) (.cse19 (= |old(~pumpRunning~0)| 0)) (.cse34 (= ~pumpRunning~0 0)) (.cse8 (not .cse18)) (.cse33 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not .cse10)) (.cse26 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse20 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~10#1| ~methaneLevelCritical~0)) (.cse24 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= 0 ~pumpRunning~0)) (.cse25 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (= ~pumpRunning~0 |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|)) (.cse35 (+ ~waterLevel~0 1))) (let ((.cse2 (= |timeShift_processEnvironment_~tmp~6#1| 1)) (.cse3 (or (<= (+ |old(~pumpRunning~0)| 1) 0) (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= |old(~waterLevel~0)| .cse35)) (.cse16 (= ~pumpRunning~0 1)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse22 (and .cse26 .cse0 .cse1 .cse20 .cse24 .cse5 .cse25 .cse21)) (.cse28 (and .cse26 .cse34 .cse1 .cse8 .cse20 .cse33 .cse6 .cse21)) (.cse27 (not .cse19)) (.cse23 (and .cse34 .cse1 .cse12 .cse24 .cse25)) (.cse29 (and (not (< 1 |old(~waterLevel~0)|)) .cse6)) (.cse32 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (not (<= |old(~pumpRunning~0)| 0))) (.cse15 (not (<= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (not (= 1 ~systemActive~0))) (.cse30 (<= .cse35 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~pumpRunning~0)| 1))) (.cse31 (and .cse34 .cse24)) (.cse11 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse7 .cse12 .cse8 .cse9 .cse10 .cse11) (or .cse7 .cse13 .cse14 (< |old(~waterLevel~0)| 2) .cse8 .cse15 .cse16) (or .cse7 .cse17 .cse12 .cse14 .cse8 .cse15) (or .cse7 .cse18 .cse19 .cse10 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse20 .cse5 .cse6 .cse21) .cse11) (or .cse17 .cse18 .cse22 .cse14 .cse15 .cse6) (or .cse23 .cse7 (and .cse1 .cse20 .cse24 .cse25 .cse6 .cse16) .cse14 .cse8 .cse15 .cse11) (or .cse17 (and .cse26 .cse0 .cse1 .cse24 .cse5 .cse25) .cse14 .cse15 .cse6) (or .cse27 .cse7 .cse17 .cse18 .cse10 .cse28) (or .cse7 (and .cse18 .cse9) .cse19 .cse10 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) .cse11) (or .cse7 .cse18 .cse22 .cse29 .cse14 .cse15) (or .cse27 .cse7 .cse18 .cse13 .cse10 .cse28) (or .cse7 .cse18 .cse13 .cse30 .cse31 .cse11) (or .cse32 .cse27 .cse7 (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse33 .cse5)) (or .cse32 .cse23 .cse7 .cse29 .cse14 .cse8 .cse15) (or .cse32 .cse7 (and .cse34 .cse1 .cse12 .cse33) .cse13 .cse14 .cse8 .cse15) (or .cse7 .cse13 .cse8 .cse30 .cse9 .cse10 .cse31 .cse11))))) [2022-11-20 21:10:49,638 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2022-11-20 21:10:49,638 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 165) no Hoare annotation was computed. [2022-11-20 21:10:49,638 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-20 21:10:49,638 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 172 201) no Hoare annotation was computed. [2022-11-20 21:10:49,638 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 172 201) the Hoare annotation is: true [2022-11-20 21:10:49,638 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 190) no Hoare annotation was computed. [2022-11-20 21:10:49,639 INFO L902 garLoopResultBuilder]: At program point L186-1(lines 186 190) the Hoare annotation is: true [2022-11-20 21:10:49,639 INFO L902 garLoopResultBuilder]: At program point L182-2(lines 182 196) the Hoare annotation is: true [2022-11-20 21:10:49,639 INFO L902 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: true [2022-11-20 21:10:49,639 INFO L899 garLoopResultBuilder]: For program point L178-1(line 178) no Hoare annotation was computed. [2022-11-20 21:10:49,639 INFO L902 garLoopResultBuilder]: At program point L197(lines 172 201) the Hoare annotation is: true [2022-11-20 21:10:49,639 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-11-20 21:10:49,639 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-11-20 21:10:49,640 INFO L902 garLoopResultBuilder]: At program point L374(lines 311 378) the Hoare annotation is: true [2022-11-20 21:10:49,640 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2022-11-20 21:10:49,640 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2022-11-20 21:10:49,640 INFO L895 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: (let ((.cse11 (= 0 ~systemActive~0)) (.cse9 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not .cse9)) (.cse7 (not .cse11)) (.cse4 (= 1 ~systemActive~0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse10 (or (< 1 ~waterLevel~0) .cse11))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse1 .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse9 .cse3 (<= 2 ~waterLevel~0) .cse6 .cse7 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse6 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse10)))) [2022-11-20 21:10:49,640 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 21:10:49,641 INFO L895 garLoopResultBuilder]: At program point L371(lines 320 372) the Hoare annotation is: false [2022-11-20 21:10:49,641 INFO L895 garLoopResultBuilder]: At program point L970(line 970) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~pumpRunning~0 1)) (and .cse0 (not (= ~pumpRunning~0 0)) (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1)) .cse2 .cse3 (not .cse1) .cse4 .cse5))) [2022-11-20 21:10:49,641 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 365) no Hoare annotation was computed. [2022-11-20 21:10:49,641 INFO L895 garLoopResultBuilder]: At program point L359-2(lines 351 366) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse4 (= 1 ~systemActive~0)) (.cse11 (or (< 1 ~waterLevel~0) .cse10)) (.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~waterLevel~0 1)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse5 (not .cse9)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (not .cse10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse8 .cse7) (and .cse0 .cse9 .cse3 .cse6 .cse10 .cse8) (and .cse0 .cse1 .cse9 .cse3 .cse6 .cse11) (and .cse1 .cse9 .cse3 .cse12 .cse6 .cse7 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse6 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse11) (and .cse0 .cse2 .cse3 .cse6 .cse10 .cse8) (and .cse1 .cse2 .cse3 .cse12 .cse5 .cse6 .cse7)))) [2022-11-20 21:10:49,642 INFO L895 garLoopResultBuilder]: At program point L260(lines 260 267) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 21:10:49,642 INFO L899 garLoopResultBuilder]: For program point L322(lines 321 370) no Hoare annotation was computed. [2022-11-20 21:10:49,642 INFO L902 garLoopResultBuilder]: At program point L260-2(lines 260 267) the Hoare annotation is: true [2022-11-20 21:10:49,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 21:10:49,642 INFO L895 garLoopResultBuilder]: At program point L351(lines 351 366) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse10 (<= 2 ~waterLevel~0)) (.cse5 (not .cse8)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse9) (and .cse1 .cse8 .cse3 .cse10 .cse6 .cse7 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse6 (<= 1 ~waterLevel~0)) (and .cse1 .cse2 .cse3 .cse10 .cse5 .cse6 .cse7)))) [2022-11-20 21:10:49,643 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (not .cse8)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (not .cse10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse6 .cse9 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse9 .cse7) (and .cse0 .cse1 .cse8 .cse3 .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse10) (and .cse1 .cse8 .cse3 (<= 2 ~waterLevel~0) .cse6 .cse7 (= ~pumpRunning~0 1))))) [2022-11-20 21:10:49,643 INFO L895 garLoopResultBuilder]: At program point L368(lines 321 370) the Hoare annotation is: (let ((.cse9 (= ~methaneLevelCritical~0 0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse7 (not .cse10)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse5 (not .cse9)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 (= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse6 .cse10) (and .cse1 .cse9 .cse3 .cse8 .cse6 .cse7 (= ~pumpRunning~0 1)) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse6 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse10)))) [2022-11-20 21:10:49,643 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2022-11-20 21:10:49,643 INFO L899 garLoopResultBuilder]: For program point L331-1(lines 331 337) no Hoare annotation was computed. [2022-11-20 21:10:49,644 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 974) no Hoare annotation was computed. [2022-11-20 21:10:49,644 INFO L895 garLoopResultBuilder]: At program point L968-1(lines 968 974) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (= 1 ~systemActive~0)) (.cse8 (= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 1))) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse10 (<= ~waterLevel~0 1)) (.cse4 (not .cse6)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (or (< 1 ~waterLevel~0) (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse6 .cse3 .cse5 .cse8) (and .cse0 .cse1 .cse6 .cse3 .cse9 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse9 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse10 .cse4 .cse5 .cse7)))) [2022-11-20 21:10:49,644 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 785 809) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2 (= ~pumpRunning~0 1)) (or (= ~pumpRunning~0 0) (not (<= |old(~pumpRunning~0)| 0)) .cse1 (not (<= 0 |old(~pumpRunning~0)|)) .cse2))) [2022-11-20 21:10:49,645 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (or (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0) .cse0 (not (<= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 0)) (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse4 .cse1 .cse3) (or (not .cse4) (not (= 1 ~systemActive~0)) (not (<= 2 ~waterLevel~0)) .cse3))) [2022-11-20 21:10:49,645 INFO L899 garLoopResultBuilder]: For program point L793(lines 793 801) no Hoare annotation was computed. [2022-11-20 21:10:49,645 INFO L895 garLoopResultBuilder]: At program point L789(lines 789 806) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2 (= ~pumpRunning~0 1)) (or (= ~pumpRunning~0 0) (not (<= |old(~pumpRunning~0)| 0)) .cse1 (not (<= 0 |old(~pumpRunning~0)|)) .cse2))) [2022-11-20 21:10:49,645 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~pumpRunning~0)| 0)) .cse1 (not (<= 0 |old(~pumpRunning~0)|)) .cse2))) [2022-11-20 21:10:49,646 INFO L899 garLoopResultBuilder]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2022-11-20 21:10:49,646 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 785 809) no Hoare annotation was computed. [2022-11-20 21:10:49,646 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 0)) (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse0 .cse1) (or .cse2 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse0 .cse3 .cse1) (or (not (= 1 ~systemActive~0)) .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 1) .cse3 .cse1))) [2022-11-20 21:10:49,646 INFO L895 garLoopResultBuilder]: At program point L875-1(line 875) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (and (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 0)))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 0)) (and (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 1))) .cse0 .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#t~ret41#1| ~methaneLevelCritical~0)) .cse2 .cse3 .cse0 .cse1) (or (not (= 1 ~systemActive~0)) .cse2 .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 1) .cse1) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 0 |old(~pumpRunning~0)|)) .cse1))) [2022-11-20 21:10:49,647 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-11-20 21:10:49,647 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= 0 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (<= ~pumpRunning~0 0)))) (and (or (not (= 1 ~systemActive~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not .cse4)) (or (not (= ~methaneLevelCritical~0 0)) (not (= ~pumpRunning~0 1)) .cse1 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~waterLevel~0)|)) .cse0 .cse1 .cse2 .cse3))) [2022-11-20 21:10:49,650 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:10:49,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:10:49,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:10:49 BoogieIcfgContainer [2022-11-20 21:10:49,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:10:49,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:10:49,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:10:49,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:10:49,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:59:11" (3/4) ... [2022-11-20 21:10:49,719 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:10:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 21:10:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 21:10:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 21:10:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 21:10:49,725 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 21:10:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 21:10:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 21:10:49,726 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 21:10:49,733 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-20 21:10:49,747 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 21:10:49,747 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 21:10:49,748 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:10:49,748 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:10:49,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && 0 == systemActive) [2022-11-20 21:10:49,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || (pumpRunning == 0 && waterLevel == 1)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) [2022-11-20 21:10:49,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 <= \old(waterLevel))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) && (((((!(\old(methAndRunningLastTime) == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel + 1 <= \old(waterLevel)) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 == systemActive))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) [2022-11-20 21:10:49,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((methAndRunningLastTime == 0 && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-20 21:10:49,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((pumpRunning == 0 || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) < 2) && \old(waterLevel) == waterLevel)) || ((2 <= waterLevel && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1)) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) <= 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel)))) && ((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 == systemActive)) [2022-11-20 21:10:49,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0) || !(waterLevel == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(waterLevel == 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || pumpRunning == 1)) && ((((pumpRunning == 0 || !(\old(pumpRunning) <= 0)) || 0 == systemActive) || !(0 <= \old(pumpRunning))) || !(methAndRunningLastTime == 0)) [2022-11-20 21:10:49,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || pumpRunning == 1) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && 0 <= pumpRunning) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || ((((pumpRunning <= 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((((((2 <= waterLevel && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || 0 == systemActive)) && ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || (((pumpRunning <= 0 && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || (methAndRunningLastTime == 0 && tmp == 0))) && ((((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || waterLevel <= \old(waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1) && tmp == methaneLevelCritical) || !(\old(methAndRunningLastTime) == 0)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(waterLevel) <= 1) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(methAndRunningLastTime) == 0) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || ((((pumpRunning <= 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(0 <= \old(pumpRunning)))) && ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(methAndRunningLastTime) == 0)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || ((((methAndRunningLastTime == 0 && tmp == methaneLevelCritical) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel))) [2022-11-20 21:10:49,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((pumpRunning <= 0 && methAndRunningLastTime == 0) && tmp == 1) && (\old(pumpRunning) + 1 <= 0 || 1 <= \old(pumpRunning))) && \old(waterLevel) <= waterLevel + 1) && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || pumpRunning == 1)) && (((((!(\old(methAndRunningLastTime) == 0) || !(\old(waterLevel) == 1)) || tmp == 0) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || ((((((((pumpRunning <= 0 && methAndRunningLastTime == 0) && tmp == 1) && (\old(pumpRunning) + 1 <= 0 || 1 <= \old(pumpRunning))) && \old(waterLevel) <= waterLevel + 1) && tmp == methaneLevelCritical) && 0 <= pumpRunning) && !(0 == systemActive)) && pumpRunning == tmp___0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel) && pumpRunning == tmp___0)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (((((methAndRunningLastTime == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) == 1) || (((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || 0 == systemActive) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == tmp___0))) && ((((((!(\old(methAndRunningLastTime) == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel) && pumpRunning == tmp___0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || 0 == systemActive) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == tmp___0))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || waterLevel + 1 <= \old(waterLevel)) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || (((pumpRunning <= 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning))) && ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(waterLevel) <= 1) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel + 1 <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel))) [2022-11-20 21:10:49,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((((pumpRunning == 0 && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || !(2 <= waterLevel)) || (!(\old(pumpRunning) == 0) && !(waterLevel <= 0))) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(2 <= waterLevel)) || (!(\old(pumpRunning) == 0) && !(waterLevel <= 0))) || tmp == 1) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) <= 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(0 <= \old(pumpRunning))) || !(methAndRunningLastTime == 0)) [2022-11-20 21:10:49,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && (1 < waterLevel || 0 == systemActive))) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || ((((pumpRunning == 0 && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && (1 < waterLevel || 0 == systemActive)) [2022-11-20 21:10:49,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) [2022-11-20 21:10:49,841 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:10:49,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:10:49,843 INFO L158 Benchmark]: Toolchain (without parser) took 699708.21ms. Allocated memory was 182.5MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 150.8MB in the beginning and 1.0GB in the end (delta: -899.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-20 21:10:49,844 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:10:49,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.29ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 142.7MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 21:10:49,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.15ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:10:49,845 INFO L158 Benchmark]: Boogie Preprocessor took 33.38ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:10:49,846 INFO L158 Benchmark]: RCFGBuilder took 819.38ms. Allocated memory is still 182.5MB. Free memory was 138.5MB in the beginning and 112.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 21:10:49,846 INFO L158 Benchmark]: TraceAbstraction took 698115.96ms. Allocated memory was 182.5MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 111.3MB in the beginning and 1.1GB in the end (delta: -944.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-20 21:10:49,846 INFO L158 Benchmark]: Witness Printer took 128.22ms. Allocated memory is still 2.2GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 21:10:49,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.29ms. Allocated memory is still 182.5MB. Free memory was 150.8MB in the beginning and 142.7MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.15ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.38ms. Allocated memory is still 182.5MB. Free memory was 140.6MB in the beginning and 138.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.38ms. Allocated memory is still 182.5MB. Free memory was 138.5MB in the beginning and 112.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 698115.96ms. Allocated memory was 182.5MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 111.3MB in the beginning and 1.1GB in the end (delta: -944.9MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 128.22ms. Allocated memory is still 2.2GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 6.3MB). 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: 165]: 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 698.0s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 83.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 558.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10866 SdHoareTripleChecker+Valid, 29.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10819 mSDsluCounter, 12948 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11593 mSDsCounter, 14147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39651 IncrementalHoareTripleChecker+Invalid, 53798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14147 mSolverCounterUnsat, 1355 mSDtfsCounter, 39651 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2151 GetRequests, 985 SyntacticMatches, 16 SemanticMatches, 1150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301686 ImplicationChecksByTransitivity, 66.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6333occurred in iteration=10, InterpolantAutomatonStates: 978, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 11796 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 14241 PreInvPairs, 20506 NumberOfFragments, 4807 HoareAnnotationTreeSize, 14241 FomulaSimplifications, 2164468 FormulaSimplificationTreeSizeReduction, 335.2s HoareSimplificationTime, 38 FomulaSimplificationsInter, 2775637 FormulaSimplificationTreeSizeReductionInter, 221.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 1149 NumberOfCodeBlocks, 1149 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1408 ConstructedInterpolants, 0 QuantifiedInterpolants, 4924 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1943 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 868/1052 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: 789]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0) || !(waterLevel == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(waterLevel == 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) || pumpRunning == 1)) && ((((pumpRunning == 0 || !(\old(pumpRunning) <= 0)) || 0 == systemActive) || !(0 <= \old(pumpRunning))) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((methAndRunningLastTime == 0 && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && (1 < waterLevel || 0 == systemActive))) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || ((((pumpRunning == 0 && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && (1 < waterLevel || 0 == systemActive)) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || (pumpRunning == 0 && waterLevel == 1)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && !(0 == systemActive)) || (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && 2 <= waterLevel) && !(methaneLevelCritical == 0)) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(methaneLevelCritical) == 0) || methaneLevelCritical == 1)) && tmp == 1) && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: ((((((((((((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || pumpRunning == 1) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && 0 <= pumpRunning) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || ((((pumpRunning <= 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((((((2 <= waterLevel && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || 0 == systemActive)) && ((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || (((pumpRunning <= 0 && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || (methAndRunningLastTime == 0 && tmp == 0))) && ((((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || waterLevel <= \old(waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1) && tmp == methaneLevelCritical) || !(\old(methAndRunningLastTime) == 0)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(waterLevel) <= 1) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(methAndRunningLastTime) == 0) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || ((((pumpRunning <= 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || !(0 <= \old(pumpRunning)))) && ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(methAndRunningLastTime) == 0)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || ((((methAndRunningLastTime == 0 && tmp == methaneLevelCritical) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 <= \old(waterLevel))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) && (((((!(\old(methAndRunningLastTime) == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && waterLevel + 1 <= \old(waterLevel)) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 == systemActive))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive)) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((pumpRunning <= 0 && methAndRunningLastTime == 0) && tmp == 1) && (\old(pumpRunning) + 1 <= 0 || 1 <= \old(pumpRunning))) && \old(waterLevel) <= waterLevel + 1) && 0 <= pumpRunning) && !(0 == systemActive)) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((((!(\old(methAndRunningLastTime) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || \old(waterLevel) < 2) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || pumpRunning == 1)) && (((((!(\old(methAndRunningLastTime) == 0) || !(\old(waterLevel) == 1)) || tmp == 0) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || ((((((((pumpRunning <= 0 && methAndRunningLastTime == 0) && tmp == 1) && (\old(pumpRunning) + 1 <= 0 || 1 <= \old(pumpRunning))) && \old(waterLevel) <= waterLevel + 1) && tmp == methaneLevelCritical) && 0 <= pumpRunning) && !(0 == systemActive)) && pumpRunning == tmp___0)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) == 1) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel) && pumpRunning == tmp___0)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (((((methAndRunningLastTime == 0 && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) == 1) || (((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel)) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || methaneLevelCritical == 0) || 0 == systemActive) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == tmp___0))) && ((((((!(\old(methAndRunningLastTime) == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning <= 0) && methAndRunningLastTime == 0) && tmp == methaneLevelCritical) && waterLevel <= \old(waterLevel)) && 0 <= pumpRunning) && \old(waterLevel) <= waterLevel) && pumpRunning == tmp___0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(1 == systemActive)) || 0 == systemActive) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) && tmp == methaneLevelCritical) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == tmp___0))) && (((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || waterLevel + 1 <= \old(waterLevel)) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= \old(waterLevel))) || (((pumpRunning <= 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && 0 <= pumpRunning))) && ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(\old(methAndRunningLastTime) == 0)) || (!(1 < \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(waterLevel) <= 1) || !(\old(methAndRunningLastTime) == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || !(0 <= \old(pumpRunning)))) && (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel + 1 <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 0) || (methaneLevelCritical == 0 && !(\old(pumpRunning) == 1))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((((pumpRunning == 0 && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || !(2 <= waterLevel)) || (!(\old(pumpRunning) == 0) && !(waterLevel <= 0))) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(1 == systemActive) || !(2 <= waterLevel)) || (!(\old(pumpRunning) == 0) && !(waterLevel <= 0))) || tmp == 1) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) <= 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(0 <= \old(pumpRunning))) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: ((((((((((((((((pumpRunning == 0 || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) <= 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) < 2) && \old(waterLevel) == waterLevel)) || ((2 <= waterLevel && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(0 <= \old(pumpRunning)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1)) || methaneLevelCritical == 0) || \old(pumpRunning) == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((!(\old(methAndRunningLastTime) == 0) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) <= 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(0 <= \old(pumpRunning))) || !(2 <= \old(waterLevel)))) && ((((!(\old(methAndRunningLastTime) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) || !(2 <= \old(waterLevel)))) && (((!(\old(waterLevel) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 1) && \old(waterLevel) <= waterLevel + 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methaneLevelCritical == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel)) || !(1 == systemActive)) RESULT: Ultimate proved your program to be correct! [2022-11-20 21:10:49,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f218fc0-ab42-44fb-8e69-67e170566fef/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE