./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/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_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/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_29a49ef9-4e99-47a2-98c7-8540a8ef2028/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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- 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 19:48:28,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:48:28,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:48:28,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:48:28,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:48:28,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:48:28,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:48:28,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:48:28,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:48:28,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:48:28,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:48:28,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:48:28,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:48:28,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:48:28,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:48:28,318 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:48:28,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:48:28,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:48:28,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:48:28,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:48:28,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:48:28,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:48:28,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:48:28,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:48:28,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:48:28,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:48:28,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:48:28,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:48:28,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:48:28,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:48:28,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:48:28,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:48:28,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:48:28,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:48:28,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:48:28,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:48:28,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:48:28,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:48:28,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:48:28,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:48:28,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:48:28,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:48:28,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:48:28,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:48:28,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:48:28,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:48:28,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:48:28,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:48:28,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:48:28,371 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:48:28,371 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:48:28,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:48:28,372 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:48:28,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:48:28,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:48:28,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:48:28,373 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:48:28,374 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:48:28,374 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:48:28,374 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:48:28,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:48:28,376 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:48:28,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:48:28,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:48:28,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:48:28,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:48:28,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:48:28,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:48:28,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:48:28,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:48:28,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:48:28,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:48:28,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:48:28,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:48:28,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:48:28,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:48:28,381 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:48:28,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:48:28,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:48:28,381 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:48:28,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:48:28,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:48:28,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:48:28,383 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_29a49ef9-4e99-47a2-98c7-8540a8ef2028/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2022-11-20 19:48:28,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:48:28,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:48:28,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:48:28,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:48:28,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:48:28,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2022-11-20 19:48:31,744 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:48:32,058 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:48:32,059 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2022-11-20 19:48:32,085 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/data/1bd9d9c04/988fb7d645244b53a87f4ba07a8cd1cd/FLAG47a418775 [2022-11-20 19:48:32,103 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/data/1bd9d9c04/988fb7d645244b53a87f4ba07a8cd1cd [2022-11-20 19:48:32,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:48:32,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:48:32,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:48:32,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:48:32,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:48:32,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130772d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32, skipping insertion in model container [2022-11-20 19:48:32,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:48:32,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:48:32,462 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_29a49ef9-4e99-47a2-98c7-8540a8ef2028/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2022-11-20 19:48:32,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:48:32,484 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:48:32,551 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_29a49ef9-4e99-47a2-98c7-8540a8ef2028/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2022-11-20 19:48:32,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:48:32,569 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:48:32,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32 WrapperNode [2022-11-20 19:48:32,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:48:32,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:48:32,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:48:32,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:48:32,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,628 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 209 [2022-11-20 19:48:32,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:48:32,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:48:32,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:48:32,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:48:32,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:48:32,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:48:32,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:48:32,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:48:32,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (1/1) ... [2022-11-20 19:48:32,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:48:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:32,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:48:32,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:48:32,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:48:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 19:48:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 19:48:32,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 19:48:32,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 19:48:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 19:48:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 19:48:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 19:48:32,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 19:48:32,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 19:48:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 19:48:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 19:48:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 19:48:32,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 19:48:32,747 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 19:48:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:48:32,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 19:48:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 19:48:32,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:48:32,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:48:32,831 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:48:32,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:48:33,229 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:48:33,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:48:33,381 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 19:48:33,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:33 BoogieIcfgContainer [2022-11-20 19:48:33,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:48:33,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:48:33,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:48:33,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:48:33,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:48:32" (1/3) ... [2022-11-20 19:48:33,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda6358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:33, skipping insertion in model container [2022-11-20 19:48:33,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:48:32" (2/3) ... [2022-11-20 19:48:33,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda6358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:48:33, skipping insertion in model container [2022-11-20 19:48:33,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:33" (3/3) ... [2022-11-20 19:48:33,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2022-11-20 19:48:33,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:48:33,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:48:33,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:48:33,482 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;@23eec7ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:48:33,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:48:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 19:48:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 19:48:33,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:33,498 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 19:48:33,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:33,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:33,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1871913479, now seen corresponding path program 1 times [2022-11-20 19:48:33,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:33,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528624746] [2022-11-20 19:48:33,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:33,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:33,782 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 19:48:33,782 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:33,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528624746] [2022-11-20 19:48:33,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528624746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:33,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:33,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:48:33,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516817766] [2022-11-20 19:48:33,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:33,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:48:33,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:48:33,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:48:33,822 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) 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 19:48:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:33,928 INFO L93 Difference]: Finished difference Result 126 states and 173 transitions. [2022-11-20 19:48:33,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:48:33,931 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 19:48:33,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:33,940 INFO L225 Difference]: With dead ends: 126 [2022-11-20 19:48:33,940 INFO L226 Difference]: Without dead ends: 59 [2022-11-20 19:48:33,944 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 19:48:33,947 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:33,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:33,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-20 19:48:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-20 19:48:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.368421052631579) internal successors, (52), 46 states have internal predecessors, (52), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 19:48:33,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2022-11-20 19:48:33,998 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 17 [2022-11-20 19:48:33,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:33,999 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2022-11-20 19:48:33,999 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 19:48:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2022-11-20 19:48:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 19:48:34,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:34,002 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 19:48:34,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:48:34,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:34,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:34,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1788829300, now seen corresponding path program 1 times [2022-11-20 19:48:34,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:34,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781119127] [2022-11-20 19:48:34,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:34,094 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 19:48:34,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:34,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781119127] [2022-11-20 19:48:34,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781119127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:34,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:34,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413573352] [2022-11-20 19:48:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:34,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:48:34,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:34,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:48:34,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:48:34,099 INFO L87 Difference]: Start difference. First operand 59 states and 77 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 19:48:34,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:34,147 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2022-11-20 19:48:34,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:48:34,148 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 19:48:34,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:34,149 INFO L225 Difference]: With dead ends: 90 [2022-11-20 19:48:34,149 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 19:48:34,150 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 19:48:34,151 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 86 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 19:48:34,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 86 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 19:48:34,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 19:48:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.393939393939394) internal successors, (46), 41 states have internal predecessors, (46), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 19:48:34,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2022-11-20 19:48:34,161 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 18 [2022-11-20 19:48:34,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:34,162 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2022-11-20 19:48:34,162 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 19:48:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2022-11-20 19:48:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 19:48:34,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:34,163 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 19:48:34,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:48:34,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:34,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:34,165 INFO L85 PathProgramCache]: Analyzing trace with hash 605785607, now seen corresponding path program 1 times [2022-11-20 19:48:34,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:34,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993813353] [2022-11-20 19:48:34,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:34,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:34,336 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 19:48:34,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:34,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993813353] [2022-11-20 19:48:34,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993813353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:34,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:34,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:48:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181835678] [2022-11-20 19:48:34,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:34,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:34,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:34,340 INFO L87 Difference]: Start difference. First operand 51 states and 66 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 19:48:34,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:34,437 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-20 19:48:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:48:34,438 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 19:48:34,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:34,440 INFO L225 Difference]: With dead ends: 134 [2022-11-20 19:48:34,440 INFO L226 Difference]: Without dead ends: 85 [2022-11-20 19:48:34,441 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 19:48:34,442 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 89 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 135 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 19:48:34,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 135 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-20 19:48:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 82. [2022-11-20 19:48:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 11 states have call predecessors, (16), 15 states have call successors, (16) [2022-11-20 19:48:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-11-20 19:48:34,460 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 21 [2022-11-20 19:48:34,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:34,461 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-11-20 19:48:34,461 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 19:48:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-11-20 19:48:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 19:48:34,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:34,463 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 19:48:34,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:48:34,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:34,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2039617653, now seen corresponding path program 1 times [2022-11-20 19:48:34,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:34,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389590356] [2022-11-20 19:48:34,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:34,597 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 19:48:34,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:34,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389590356] [2022-11-20 19:48:34,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389590356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:34,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:34,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:48:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696857954] [2022-11-20 19:48:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:34,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:34,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:34,601 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 4 states, 4 states have (on average 5.25) 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 19:48:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:34,744 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2022-11-20 19:48:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:48:34,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) 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 19:48:34,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:34,750 INFO L225 Difference]: With dead ends: 199 [2022-11-20 19:48:34,750 INFO L226 Difference]: Without dead ends: 119 [2022-11-20 19:48:34,751 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 19:48:34,752 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 36 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:34,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 161 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:34,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-20 19:48:34,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2022-11-20 19:48:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 86 states have internal predecessors, (99), 18 states have call successors, (18), 17 states have call predecessors, (18), 17 states have return successors, (24), 17 states have call predecessors, (24), 18 states have call successors, (24) [2022-11-20 19:48:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 141 transitions. [2022-11-20 19:48:34,790 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 141 transitions. Word has length 24 [2022-11-20 19:48:34,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:34,791 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 141 transitions. [2022-11-20 19:48:34,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) 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 19:48:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2022-11-20 19:48:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 19:48:34,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:34,797 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, 1, 1] [2022-11-20 19:48:34,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 19:48:34,797 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:34,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:34,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1680772318, now seen corresponding path program 1 times [2022-11-20 19:48:34,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:34,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318944481] [2022-11-20 19:48:34,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:34,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:34,981 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 19:48:34,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:34,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318944481] [2022-11-20 19:48:34,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318944481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:34,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:34,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:34,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036093335] [2022-11-20 19:48:34,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:34,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:48:34,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:34,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:48:34,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:48:34,984 INFO L87 Difference]: Start difference. First operand 112 states and 141 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 19:48:35,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:35,078 INFO L93 Difference]: Finished difference Result 186 states and 241 transitions. [2022-11-20 19:48:35,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:48:35,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 29 [2022-11-20 19:48:35,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:35,092 INFO L225 Difference]: With dead ends: 186 [2022-11-20 19:48:35,092 INFO L226 Difference]: Without dead ends: 184 [2022-11-20 19:48:35,093 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 19:48:35,094 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 42 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 108 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 19:48:35,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:35,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-11-20 19:48:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 169. [2022-11-20 19:48:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 129 states have internal predecessors, (148), 29 states have call successors, (29), 27 states have call predecessors, (29), 26 states have return successors, (45), 25 states have call predecessors, (45), 29 states have call successors, (45) [2022-11-20 19:48:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 222 transitions. [2022-11-20 19:48:35,142 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 222 transitions. Word has length 29 [2022-11-20 19:48:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:35,142 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 222 transitions. [2022-11-20 19:48:35,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 19:48:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 222 transitions. [2022-11-20 19:48:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 19:48:35,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:35,146 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:35,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 19:48:35,146 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:35,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:35,147 INFO L85 PathProgramCache]: Analyzing trace with hash -522628244, now seen corresponding path program 1 times [2022-11-20 19:48:35,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:35,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100573167] [2022-11-20 19:48:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:35,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:35,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 19:48:35,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:35,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100573167] [2022-11-20 19:48:35,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100573167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:35,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:35,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:48:35,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325281199] [2022-11-20 19:48:35,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:35,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:35,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:35,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:35,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:35,214 INFO L87 Difference]: Start difference. First operand 169 states and 222 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 19:48:35,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:35,350 INFO L93 Difference]: Finished difference Result 337 states and 443 transitions. [2022-11-20 19:48:35,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:35,351 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-11-20 19:48:35,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:35,356 INFO L225 Difference]: With dead ends: 337 [2022-11-20 19:48:35,356 INFO L226 Difference]: Without dead ends: 170 [2022-11-20 19:48:35,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:35,366 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 82 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:35,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 116 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-11-20 19:48:35,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 159. [2022-11-20 19:48:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 107 states have (on average 1.2990654205607477) internal successors, (139), 121 states have internal predecessors, (139), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (36), 24 states have call predecessors, (36), 26 states have call successors, (36) [2022-11-20 19:48:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 201 transitions. [2022-11-20 19:48:35,399 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 201 transitions. Word has length 60 [2022-11-20 19:48:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:35,400 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 201 transitions. [2022-11-20 19:48:35,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 19:48:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2022-11-20 19:48:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 19:48:35,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:35,402 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:35,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 19:48:35,402 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:35,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:35,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1539119106, now seen corresponding path program 1 times [2022-11-20 19:48:35,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:35,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45183582] [2022-11-20 19:48:35,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:35,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 19:48:35,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:35,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45183582] [2022-11-20 19:48:35,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45183582] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:48:35,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042168511] [2022-11-20 19:48:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:35,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:35,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:35,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:48:35,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 19:48:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:35,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:35,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:48:35,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:35,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042168511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:35,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:48:35,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-20 19:48:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979347446] [2022-11-20 19:48:35,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:35,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:48:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:35,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:48:35,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:48:35,874 INFO L87 Difference]: Start difference. First operand 159 states and 201 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 19:48:35,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:35,950 INFO L93 Difference]: Finished difference Result 307 states and 397 transitions. [2022-11-20 19:48:35,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:48:35,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 57 [2022-11-20 19:48:35,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:35,954 INFO L225 Difference]: With dead ends: 307 [2022-11-20 19:48:35,954 INFO L226 Difference]: Without dead ends: 150 [2022-11-20 19:48:35,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:48:35,960 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:35,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 111 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:35,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-20 19:48:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-20 19:48:35,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 102 states have (on average 1.2549019607843137) internal successors, (128), 114 states have internal predecessors, (128), 24 states have call successors, (24), 23 states have call predecessors, (24), 23 states have return successors, (31), 23 states have call predecessors, (31), 24 states have call successors, (31) [2022-11-20 19:48:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 183 transitions. [2022-11-20 19:48:35,987 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 183 transitions. Word has length 57 [2022-11-20 19:48:35,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:35,988 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 183 transitions. [2022-11-20 19:48:35,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 19:48:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 183 transitions. [2022-11-20 19:48:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 19:48:35,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:35,990 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:36,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 19:48:36,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:36,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:36,202 INFO L85 PathProgramCache]: Analyzing trace with hash 215137069, now seen corresponding path program 1 times [2022-11-20 19:48:36,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:36,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174630265] [2022-11-20 19:48:36,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:36,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:48:36,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:36,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174630265] [2022-11-20 19:48:36,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174630265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:48:36,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793295361] [2022-11-20 19:48:36,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:36,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:36,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:36,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:48:36,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 19:48:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:36,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 19:48:36,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:48:37,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:37,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793295361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:37,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:48:37,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 17 [2022-11-20 19:48:37,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351005165] [2022-11-20 19:48:37,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:37,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 19:48:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:37,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 19:48:37,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-20 19:48:37,306 INFO L87 Difference]: Start difference. First operand 150 states and 183 transitions. Second operand has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 19:48:37,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:37,979 INFO L93 Difference]: Finished difference Result 412 states and 508 transitions. [2022-11-20 19:48:37,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 19:48:37,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2022-11-20 19:48:37,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:37,983 INFO L225 Difference]: With dead ends: 412 [2022-11-20 19:48:37,983 INFO L226 Difference]: Without dead ends: 264 [2022-11-20 19:48:37,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2022-11-20 19:48:37,987 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 189 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:37,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 354 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 19:48:37,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-20 19:48:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 251. [2022-11-20 19:48:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 175 states have (on average 1.262857142857143) internal successors, (221), 192 states have internal predecessors, (221), 37 states have call successors, (37), 36 states have call predecessors, (37), 38 states have return successors, (44), 38 states have call predecessors, (44), 37 states have call successors, (44) [2022-11-20 19:48:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 302 transitions. [2022-11-20 19:48:38,032 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 302 transitions. Word has length 60 [2022-11-20 19:48:38,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:38,033 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 302 transitions. [2022-11-20 19:48:38,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 9 states have internal predecessors, (47), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 19:48:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 302 transitions. [2022-11-20 19:48:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 19:48:38,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:38,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:48:38,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:38,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:38,242 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:48:38,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:38,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1039553112, now seen corresponding path program 1 times [2022-11-20 19:48:38,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:48:38,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345345158] [2022-11-20 19:48:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:48:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 19:48:38,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:48:38,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345345158] [2022-11-20 19:48:38,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345345158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:48:38,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017363373] [2022-11-20 19:48:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:38,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:48:38,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:48:38,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:48:38,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 19:48:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:38,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 19:48:38,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:48:38,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:48:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 19:48:39,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017363373] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:48:39,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1699945168] [2022-11-20 19:48:39,670 INFO L159 IcfgInterpreter]: Started Sifa with 40 locations of interest [2022-11-20 19:48:39,671 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:48:39,674 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:48:39,680 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:48:39,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:48:42,432 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 116 for LOIs [2022-11-20 19:48:42,463 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 123 for LOIs [2022-11-20 19:48:44,138 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 119 for LOIs [2022-11-20 19:48:44,299 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 135 for LOIs [2022-11-20 19:48:44,328 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:48:57,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1699945168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:57,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:48:57,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [7, 12, 14] total 49 [2022-11-20 19:48:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447664629] [2022-11-20 19:48:57,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:57,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 19:48:57,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:48:57,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 19:48:57,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=2008, Unknown=0, NotChecked=0, Total=2352 [2022-11-20 19:48:57,923 INFO L87 Difference]: Start difference. First operand 251 states and 302 transitions. Second operand has 22 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-20 19:49:06,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:06,606 INFO L93 Difference]: Finished difference Result 656 states and 800 transitions. [2022-11-20 19:49:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 19:49:06,607 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2022-11-20 19:49:06,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:06,609 INFO L225 Difference]: With dead ends: 656 [2022-11-20 19:49:06,609 INFO L226 Difference]: Without dead ends: 407 [2022-11-20 19:49:06,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 140 SyntacticMatches, 7 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1181 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=550, Invalid=2990, Unknown=0, NotChecked=0, Total=3540 [2022-11-20 19:49:06,612 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 175 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:06,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 539 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 19:49:06,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-20 19:49:06,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 369. [2022-11-20 19:49:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 259 states have (on average 1.2586872586872586) internal successors, (326), 279 states have internal predecessors, (326), 53 states have call successors, (53), 52 states have call predecessors, (53), 56 states have return successors, (64), 55 states have call predecessors, (64), 53 states have call successors, (64) [2022-11-20 19:49:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 443 transitions. [2022-11-20 19:49:06,698 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 443 transitions. Word has length 63 [2022-11-20 19:49:06,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:06,698 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 443 transitions. [2022-11-20 19:49:06,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 18 states have internal predecessors, (32), 5 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-20 19:49:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 443 transitions. [2022-11-20 19:49:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 19:49:06,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:06,701 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:49:06,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:06,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 19:49:06,916 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:06,916 INFO L85 PathProgramCache]: Analyzing trace with hash 744251358, now seen corresponding path program 1 times [2022-11-20 19:49:06,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:06,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799797174] [2022-11-20 19:49:06,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:06,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 19:49:07,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:07,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799797174] [2022-11-20 19:49:07,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799797174] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:07,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405677150] [2022-11-20 19:49:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:07,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 19:49:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:07,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-20 19:49:07,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:49:08,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:49:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 19:49:08,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405677150] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:49:08,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [638287559] [2022-11-20 19:49:08,746 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-20 19:49:08,746 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:49:08,746 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:49:08,746 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:49:08,747 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:49:12,609 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 143 for LOIs [2022-11-20 19:49:12,660 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 37 for LOIs [2022-11-20 19:49:12,923 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 67 for LOIs [2022-11-20 19:49:13,233 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 24 for LOIs [2022-11-20 19:49:13,235 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 32 for LOIs [2022-11-20 19:49:13,240 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 40 for LOIs [2022-11-20 19:49:13,242 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:49:20,184 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7180#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 1) (<= |old(~methAndRunningLastTime~0)| 1) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (<= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= ~methAndRunningLastTime~0 1) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-20 19:49:20,184 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-20 19:49:20,185 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:49:20,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 14] total 35 [2022-11-20 19:49:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434313763] [2022-11-20 19:49:20,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 19:49:20,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-20 19:49:20,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:20,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-20 19:49:20,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=3828, Unknown=0, NotChecked=0, Total=4290 [2022-11-20 19:49:20,189 INFO L87 Difference]: Start difference. First operand 369 states and 443 transitions. Second operand has 35 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 15 states have call successors, (24), 12 states have call predecessors, (24), 11 states have return successors, (21), 9 states have call predecessors, (21), 14 states have call successors, (21) [2022-11-20 19:49:23,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:23,944 INFO L93 Difference]: Finished difference Result 1051 states and 1290 transitions. [2022-11-20 19:49:23,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-20 19:49:23,946 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 15 states have call successors, (24), 12 states have call predecessors, (24), 11 states have return successors, (21), 9 states have call predecessors, (21), 14 states have call successors, (21) Word has length 66 [2022-11-20 19:49:23,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:23,950 INFO L225 Difference]: With dead ends: 1051 [2022-11-20 19:49:23,950 INFO L226 Difference]: Without dead ends: 768 [2022-11-20 19:49:23,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 155 SyntacticMatches, 4 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4789 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=1452, Invalid=11430, Unknown=0, NotChecked=0, Total=12882 [2022-11-20 19:49:23,955 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 1670 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 896 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 3056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 896 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:23,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 1415 Invalid, 3056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [896 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-20 19:49:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2022-11-20 19:49:24,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 623. [2022-11-20 19:49:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 442 states have (on average 1.253393665158371) internal successors, (554), 476 states have internal predecessors, (554), 88 states have call successors, (88), 87 states have call predecessors, (88), 92 states have return successors, (102), 90 states have call predecessors, (102), 88 states have call successors, (102) [2022-11-20 19:49:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 744 transitions. [2022-11-20 19:49:24,057 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 744 transitions. Word has length 66 [2022-11-20 19:49:24,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:24,058 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 744 transitions. [2022-11-20 19:49:24,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 30 states have (on average 3.7333333333333334) internal successors, (112), 30 states have internal predecessors, (112), 15 states have call successors, (24), 12 states have call predecessors, (24), 11 states have return successors, (21), 9 states have call predecessors, (21), 14 states have call successors, (21) [2022-11-20 19:49:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 744 transitions. [2022-11-20 19:49:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 19:49:24,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:24,061 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 19:49:24,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 19:49:24,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:24,266 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:24,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -244726395, now seen corresponding path program 1 times [2022-11-20 19:49:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:24,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773059696] [2022-11-20 19:49:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:24,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 19:49:24,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:24,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773059696] [2022-11-20 19:49:24,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773059696] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:24,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582166159] [2022-11-20 19:49:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:24,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:24,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:24,455 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:24,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 19:49:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:24,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 19:49:24,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 67 proven. 57 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 19:49:25,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:49:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 72 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 19:49:26,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582166159] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 19:49:26,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [203173681] [2022-11-20 19:49:26,279 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-20 19:49:26,280 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 19:49:26,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 19:49:26,280 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 19:49:26,281 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 19:49:30,093 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 25 for LOIs [2022-11-20 19:49:30,098 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-20 19:49:30,432 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 63 for LOIs [2022-11-20 19:49:30,678 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 23 for LOIs [2022-11-20 19:49:30,680 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-20 19:49:30,682 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2022-11-20 19:49:30,685 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 19:49:35,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [203173681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:35,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 19:49:35,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [7, 17, 17] total 63 [2022-11-20 19:49:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140428839] [2022-11-20 19:49:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:35,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-20 19:49:35,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:35,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-20 19:49:35,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=529, Invalid=3377, Unknown=0, NotChecked=0, Total=3906 [2022-11-20 19:49:35,972 INFO L87 Difference]: Start difference. First operand 623 states and 744 transitions. Second operand has 29 states, 20 states have (on average 1.75) internal successors, (35), 24 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 19:49:46,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:46,896 INFO L93 Difference]: Finished difference Result 1707 states and 2139 transitions. [2022-11-20 19:49:46,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-11-20 19:49:46,896 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 20 states have (on average 1.75) internal successors, (35), 24 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) Word has length 113 [2022-11-20 19:49:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:46,907 INFO L225 Difference]: With dead ends: 1707 [2022-11-20 19:49:46,907 INFO L226 Difference]: Without dead ends: 1086 [2022-11-20 19:49:46,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 272 SyntacticMatches, 14 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3828 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=1614, Invalid=9728, Unknown=0, NotChecked=0, Total=11342 [2022-11-20 19:49:46,916 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 226 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:46,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 764 Invalid, 2690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 19:49:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-11-20 19:49:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 902. [2022-11-20 19:49:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 646 states have (on average 1.238390092879257) internal successors, (800), 684 states have internal predecessors, (800), 126 states have call successors, (126), 123 states have call predecessors, (126), 129 states have return successors, (147), 128 states have call predecessors, (147), 126 states have call successors, (147) [2022-11-20 19:49:47,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1073 transitions. [2022-11-20 19:49:47,178 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1073 transitions. Word has length 113 [2022-11-20 19:49:47,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:47,179 INFO L495 AbstractCegarLoop]: Abstraction has 902 states and 1073 transitions. [2022-11-20 19:49:47,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 20 states have (on average 1.75) internal successors, (35), 24 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 6 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 19:49:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1073 transitions. [2022-11-20 19:49:47,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-20 19:49:47,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:47,183 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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 19:49:47,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 19:49:47,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 19:49:47,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:47,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:47,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1515969141, now seen corresponding path program 1 times [2022-11-20 19:49:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:47,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960818603] [2022-11-20 19:49:47,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:47,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 72 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 19:49:47,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:47,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960818603] [2022-11-20 19:49:47,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960818603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:47,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833428332] [2022-11-20 19:49:47,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:47,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:47,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:47,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:47,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 19:49:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:47,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-20 19:49:47,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-20 19:49:47,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:47,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833428332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:47,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:49:47,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2022-11-20 19:49:47,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821254078] [2022-11-20 19:49:47,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:47,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 19:49:47,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:47,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 19:49:47,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-20 19:49:47,865 INFO L87 Difference]: Start difference. First operand 902 states and 1073 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 19:49:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:48,758 INFO L93 Difference]: Finished difference Result 2389 states and 2890 transitions. [2022-11-20 19:49:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 19:49:48,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-11-20 19:49:48,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:48,768 INFO L225 Difference]: With dead ends: 2389 [2022-11-20 19:49:48,768 INFO L226 Difference]: Without dead ends: 1841 [2022-11-20 19:49:48,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2022-11-20 19:49:48,772 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 208 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:48,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 215 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 19:49:48,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2022-11-20 19:49:49,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1787. [2022-11-20 19:49:49,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1787 states, 1287 states have (on average 1.2470862470862472) internal successors, (1605), 1363 states have internal predecessors, (1605), 246 states have call successors, (246), 241 states have call predecessors, (246), 253 states have return successors, (291), 252 states have call predecessors, (291), 246 states have call successors, (291) [2022-11-20 19:49:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1787 states and 2142 transitions. [2022-11-20 19:49:49,139 INFO L78 Accepts]: Start accepts. Automaton has 1787 states and 2142 transitions. Word has length 116 [2022-11-20 19:49:49,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:49,140 INFO L495 AbstractCegarLoop]: Abstraction has 1787 states and 2142 transitions. [2022-11-20 19:49:49,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 19:49:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2142 transitions. [2022-11-20 19:49:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-20 19:49:49,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:49,144 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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 19:49:49,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:49,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:49,351 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:49:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:49,351 INFO L85 PathProgramCache]: Analyzing trace with hash 342131089, now seen corresponding path program 2 times [2022-11-20 19:49:49,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:49:49,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977866906] [2022-11-20 19:49:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:49,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:49:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 52 proven. 58 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-20 19:49:50,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:49:50,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977866906] [2022-11-20 19:49:50,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977866906] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:50,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965999687] [2022-11-20 19:49:50,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 19:49:50,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:50,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:49:50,348 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 19:49:50,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 19:49:50,444 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 19:49:50,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 19:49:50,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 19:49:50,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-20 19:49:50,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:50,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965999687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:50,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:49:50,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [20] total 25 [2022-11-20 19:49:50,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23455346] [2022-11-20 19:49:50,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:50,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 19:49:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:49:50,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 19:49:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-11-20 19:49:50,658 INFO L87 Difference]: Start difference. First operand 1787 states and 2142 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-20 19:49:51,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:51,428 INFO L93 Difference]: Finished difference Result 3662 states and 4467 transitions. [2022-11-20 19:49:51,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 19:49:51,428 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 116 [2022-11-20 19:49:51,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:51,430 INFO L225 Difference]: With dead ends: 3662 [2022-11-20 19:49:51,430 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:49:51,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2022-11-20 19:49:51,437 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 151 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:51,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 443 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 19:49:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:49:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:49:51,439 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 19:49:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:49:51,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-11-20 19:49:51,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:51,440 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:49:51,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-20 19:49:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:49:51,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:49:51,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 19:49:51,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:51,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 19:49:51,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:50:31,361 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 229 236) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2022-11-20 19:50:31,362 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2022-11-20 19:50:31,362 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2022-11-20 19:50:31,362 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2022-11-20 19:50:31,362 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 558 569) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse9 (not (= ~pumpRunning~0 1))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse3 .cse4) (or .cse5 .cse7 .cse6 .cse8 .cse9) (or .cse7 .cse8 .cse1 .cse9 .cse2) (or .cse5 .cse0 .cse7 .cse6 .cse3) (or .cse0 .cse7 .cse1 .cse2 .cse3))) [2022-11-20 19:50:31,362 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2022-11-20 19:50:31,363 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 570 578) the Hoare annotation is: true [2022-11-20 19:50:31,363 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2022-11-20 19:50:31,363 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2022-11-20 19:50:31,363 INFO L902 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2022-11-20 19:50:31,363 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 356 385) the Hoare annotation is: true [2022-11-20 19:50:31,363 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2022-11-20 19:50:31,363 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2022-11-20 19:50:31,364 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2022-11-20 19:50:31,364 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2022-11-20 19:50:31,364 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2022-11-20 19:50:31,364 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2022-11-20 19:50:31,364 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-20 19:50:31,367 INFO L895 garLoopResultBuilder]: At program point L474(lines 474 491) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse21 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse22 (or .cse0 .cse8)) (.cse31 (<= ~waterLevel~0 1))) (let ((.cse17 (and .cse31 (<= 1 ~waterLevel~0))) (.cse16 (not (<= 1 |old(~pumpRunning~0)|))) (.cse19 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse20 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0)) (.cse18 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~pumpRunning~0 1)) (.cse15 (not (<= 2 |old(~waterLevel~0)|))) (.cse32 (and .cse6 .cse22)) (.cse12 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse24 (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (.cse25 (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1|)) (.cse23 (not (= |#NULL.offset| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not .cse21)) (.cse26 (not (= ~head~0.offset 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse27 (not (= |#NULL.base| 0))) (.cse28 (not (<= 0 |#StackHeapBarrier|))) (.cse29 (not (= ~head~0.base 0))) (.cse30 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 (and .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 .cse12) (or .cse0 .cse10 .cse11 .cse12 (and .cse13 .cse7 .cse8 .cse9 .cse14) .cse15) (or .cse11 .cse16 .cse1 .cse17 .cse18 .cse2) (or .cse11 .cse16 .cse17 .cse18 .cse12 .cse2) (or .cse11 .cse16 .cse1 .cse18 (and .cse6 .cse19 .cse20 .cse21 .cse7 .cse22) .cse15) (or .cse5 .cse0 .cse10 .cse11 .cse1 (and .cse6 .cse7 .cse8)) (or .cse11 .cse16 .cse18 .cse12 (and .cse6 .cse19 .cse20 .cse21 .cse7 .cse9 .cse22) .cse15) (or .cse23 .cse10 .cse11 (and .cse24 (<= ~methAndRunningLastTime~0 0) (= (ite (= ~waterLevel~0 0) 1 0) 0) .cse25 (<= 0 ~methAndRunningLastTime~0)) .cse26 .cse1 .cse18 .cse27 .cse28 .cse29 .cse30 .cse15) (or .cse5 .cse0 .cse31 .cse12 .cse4) (or .cse5 .cse0 .cse31 .cse1 .cse4) (or .cse0 .cse32 .cse12 .cse4) (or .cse0 .cse10 .cse11 .cse1 (and .cse13 .cse7 .cse8 .cse14) .cse15) (or .cse0 .cse1 .cse32 .cse4) (or .cse0 .cse12 .cse2 .cse3 .cse4) (or .cse0 (and .cse24 .cse25 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse23 .cse10 .cse11 .cse26 .cse1 .cse27 .cse28 .cse29 .cse30))))) [2022-11-20 19:50:31,368 INFO L895 garLoopResultBuilder]: At program point L474-1(lines 466 494) the Hoare annotation is: (let ((.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse28 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse19 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 0)) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse23 (or .cse13 .cse28)) (.cse30 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse5 (not (= ~head~0.offset 0))) (.cse8 (not (= |#NULL.base| 0))) (.cse2 (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (.cse3 (<= 0 |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1|)) (.cse9 (not (<= 0 |#StackHeapBarrier|))) (.cse10 (not (= ~head~0.base 0))) (.cse11 (not (= ~cleanupTimeShifts~0 4))) (.cse31 (and .cse30 (<= 1 ~waterLevel~0))) (.cse25 (and .cse16 .cse14 .cse23)) (.cse29 (= ~pumpRunning~0 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse22 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0)) (.cse32 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not .cse19)) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse17 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse18 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse24 (not (= ~methaneLevelCritical~0 1))) (.cse26 (not (= |old(~waterLevel~0)| 2))) (.cse27 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 (and .cse2 (= (ite (= ~waterLevel~0 0) 1 0) 0) .cse3) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse13 .cse0 .cse1 .cse4 .cse5 .cse6 .cse8 (and .cse2 .cse14 .cse3) .cse9 .cse10 .cse11) (or .cse4 .cse15 .cse7 (and .cse16 .cse17 .cse14 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) .cse24 .cse12) (or .cse13 .cse25 .cse24 .cse21) (or .cse13 .cse6 .cse26 .cse27 .cse21) (or .cse13 .cse1 .cse4 (and (<= 2 ~waterLevel~0) .cse20 .cse28 .cse29) (and .cse16 .cse14 .cse30 .cse20 .cse28 .cse21) .cse6) (or .cse4 .cse15 .cse6 .cse31 .cse7 .cse26) (or .cse4 .cse15 .cse31 .cse7 .cse24 .cse26) (or .cse13 .cse25 .cse6 .cse21) (or .cse13 .cse1 .cse4 (and .cse20 .cse28 .cse22 .cse29) .cse24 .cse12) (or .cse32 .cse13 .cse1 .cse4 .cse24 (and .cse16 .cse14 .cse20 .cse28 .cse21 .cse22)) (or .cse32 .cse13 .cse30 .cse24 .cse21) (or .cse32 .cse13 .cse30 .cse6 .cse21) (or .cse4 .cse15 .cse6 .cse7 (and .cse16 .cse17 .cse14 .cse18 .cse19 .cse20 .cse21 .cse23) .cse12) (or .cse13 .cse24 .cse26 .cse27 .cse21))))) [2022-11-20 19:50:31,368 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse1 .cse6) (or .cse4 .cse7 .cse0 .cse1) (or .cse4 .cse7 .cse0 .cse5))) [2022-11-20 19:50:31,369 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= 1 ~systemActive~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (let ((.cse10 (+ ~waterLevel~0 1))) (and .cse0 (= |timeShift_processEnvironment_~tmp~2#1| 1) .cse9 (<= .cse10 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse10) (= ~pumpRunning~0 1)))) (.cse4 (not .cse9)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse2) (or .cse0 .cse8 .cse4 .cse5) (or .cse0 .cse8 .cse4 .cse1) (or (not (= |#NULL.offset| 0)) .cse8 .cse4 (and (= |timeShift_isLowWaterLevel_~tmp___0~2#1| |timeShift_isLowWaterLevel_~retValue_acc~3#1|) (= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (= |timeShift_isLowWaterSensorDry_~retValue_acc~10#1| |timeShift_isLowWaterSensorDry_#res#1|) (= |timeShift_isLowWaterLevel_~tmp___0~2#1| 1) (= |timeShift_isLowWaterSensorDry_#res#1| |timeShift_isLowWaterLevel_~tmp~4#1|) (= |timeShift_isLowWaterLevel_~retValue_acc~3#1| |timeShift_isLowWaterLevel_#res#1|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~head~0.offset 0)) .cse5 .cse6 (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse7) (or .cse3 .cse4 .cse6 .cse1 .cse7)))) [2022-11-20 19:50:31,369 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2022-11-20 19:50:31,369 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse8) (or .cse3 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse8))) [2022-11-20 19:50:31,370 INFO L895 garLoopResultBuilder]: At program point L215-1(lines 196 220) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse25 (= 1 ~systemActive~0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse6 (and .cse10 (<= 1 ~waterLevel~0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse14 (= ~methAndRunningLastTime~0 0)) (.cse15 (= ~pumpRunning~0 1)) (.cse18 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (not (= |#NULL.offset| 0))) (.cse13 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse20 (not (= ~head~0.offset 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (<= 0 |#StackHeapBarrier|))) (.cse23 (not (= ~head~0.base 0))) (.cse24 (not (= ~cleanupTimeShifts~0 4))) (.cse3 (not .cse25)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse16 (and .cse9 (= |timeShift_processEnvironment_~tmp~2#1| 1) .cse25 .cse11 (or .cse0 .cse12))) (.cse17 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse2) (or .cse3 .cse4 .cse6 .cse7 .cse1 .cse8) (or (and .cse9 .cse10 .cse11 .cse12) .cse0 .cse13 .cse3 (and .cse14 (<= 2 ~waterLevel~0) .cse11 .cse12 .cse15) .cse1) (or .cse3 .cse4 .cse7 .cse16 .cse1 .cse17) (or .cse18 .cse0 .cse13 .cse3 .cse5 (and .cse9 .cse11 .cse12)) (or .cse19 .cse13 .cse3 .cse20 .cse5 .cse7 .cse21 (and (<= ~methAndRunningLastTime~0 0) (= (ite (= ~waterLevel~0 0) 1 0) 0) (<= 0 ~methAndRunningLastTime~0)) .cse22 .cse23 .cse24 .cse17) (or .cse0 .cse13 .cse3 .cse5 (and .cse14 .cse11 .cse12 .cse15) .cse17) (or .cse18 .cse0 .cse19 .cse13 .cse3 .cse20 .cse5 .cse21 .cse22 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse23 .cse24) (or .cse3 .cse4 .cse5 .cse7 .cse16 .cse17)))) [2022-11-20 19:50:31,370 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2022-11-20 19:50:31,371 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse10 (= ~pumpRunning~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse27 (or .cse0 .cse13)) (.cse28 (= 1 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1))) (let ((.cse7 (and .cse11 (<= 1 ~waterLevel~0))) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse16 (= ~pumpRunning~0 1)) (.cse19 (not (<= |old(~waterLevel~0)| 1))) (.cse20 (not (= |#NULL.offset| 0))) (.cse14 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse21 (not (= ~head~0.offset 0))) (.cse22 (not (= |#NULL.base| 0))) (.cse23 (not (<= 0 |#StackHeapBarrier|))) (.cse24 (not (= ~head~0.base 0))) (.cse25 (not (= ~cleanupTimeShifts~0 4))) (.cse5 (not .cse28)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse17 (and .cse10 (= |timeShift_processEnvironment_~tmp~2#1| 1) .cse28 .cse12 .cse27)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse26 (and .cse10 .cse27)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse8 .cse2) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (or (and .cse10 .cse11 .cse12 .cse13) .cse0 .cse14 .cse5 (and .cse15 (<= 2 ~waterLevel~0) .cse12 .cse13 .cse16) .cse9) (or .cse5 .cse6 .cse8 .cse17 .cse9 .cse18) (or .cse19 .cse0 .cse14 .cse5 .cse1 (and .cse10 .cse12 .cse13)) (or .cse19 .cse0 .cse11 .cse9 .cse4) (or .cse19 .cse0 .cse11 .cse1 .cse4) (or .cse20 .cse14 .cse5 .cse21 .cse1 .cse8 .cse22 (and (<= ~methAndRunningLastTime~0 0) (= (ite (= ~waterLevel~0 0) 1 0) 0) (<= 0 ~methAndRunningLastTime~0)) .cse23 .cse24 .cse25 .cse18) (or .cse0 .cse26 .cse9 .cse4) (or .cse0 .cse14 .cse5 .cse1 (and .cse15 .cse12 .cse13 .cse16) .cse18) (or .cse19 .cse0 .cse20 .cse14 .cse5 .cse21 .cse1 .cse22 .cse23 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse24 .cse25) (or .cse5 .cse6 .cse1 .cse8 .cse17 .cse18) (or .cse0 .cse1 .cse26 .cse4) (or .cse0 .cse9 .cse2 .cse3 .cse4))))) [2022-11-20 19:50:31,371 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2022-11-20 19:50:31,371 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (let ((.cse15 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 0)) (.cse18 (= 0 ~systemActive~0)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (= ~pumpRunning~0 1))) (let ((.cse7 (and .cse13 .cse14 .cse17)) (.cse1 (and .cse16 .cse12 .cse14 .cse18)) (.cse3 (not .cse18)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (and .cse16 .cse15 .cse14 .cse17)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not .cse15)) (.cse11 (and .cse12 .cse13 .cse14)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse6 .cse7 .cse9 .cse8) (or .cse5 .cse2 .cse6 .cse10 .cse8) (or .cse0 .cse4 .cse5 .cse11 .cse9) (or .cse0 .cse1 .cse9 .cse3) (or .cse5 .cse6 .cse10 .cse9 .cse8) (or .cse0 .cse4 .cse5 .cse11 .cse2)))) [2022-11-20 19:50:31,371 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2022-11-20 19:50:31,371 INFO L895 garLoopResultBuilder]: At program point L1005(line 1005) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse1 .cse6) (or .cse4 .cse7 .cse0 .cse1) (or .cse4 .cse7 .cse0 .cse5))) [2022-11-20 19:50:31,371 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2022-11-20 19:50:31,372 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2022-11-20 19:50:31,372 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2022-11-20 19:50:31,372 INFO L895 garLoopResultBuilder]: At program point L200(lines 200 217) the Hoare annotation is: (let ((.cse18 (+ ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse15 (= 1 ~systemActive~0)) (.cse6 (or .cse0 .cse14)) (.cse4 (let ((.cse19 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (<= .cse18 |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) .cse19) (and .cse8 .cse19)))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse16 (<= |old(~waterLevel~0)| .cse18)) (.cse17 (= ~pumpRunning~0 1))) (let ((.cse7 (not (= 0 ~systemActive~0))) (.cse10 (and .cse4 .cse5 .cse16 .cse17)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= |old(~pumpRunning~0)| 1))) (.cse13 (and .cse4 .cse15 .cse16 .cse17 .cse6)) (.cse12 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse15)) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 .cse3 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3) (or .cse0 .cse9 .cse7) (or .cse1 .cse10 .cse2 .cse9 .cse11 .cse12) (or .cse1 .cse10 .cse2 .cse11 .cse3 .cse12) (or .cse2 .cse11 .cse3 .cse13 .cse12) (or .cse2 .cse9 .cse11 .cse13 .cse12) (or (and .cse4 .cse8 .cse5 .cse14) .cse0 .cse1 .cse2 .cse9))))) [2022-11-20 19:50:31,372 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0))) (let ((.cse0 (let ((.cse2 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647)) (.cse4 (<= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~6#1|)) (.cse6 (= ~head~0.offset 0)) (.cse8 (<= 0 ~methAndRunningLastTime~0)) (.cse9 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse10 (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648))) (.cse11 (<= ~methaneLevelCritical~0 0)) (.cse13 (= |ULTIMATE.start_test_~tmp___0~0#1| 0)) (.cse14 (<= 0 ~methaneLevelCritical~0)) (.cse15 (= ~head~0.base 0)) (.cse16 (= |#NULL.offset| 0)) (.cse17 (<= |ULTIMATE.start_valid_product_~retValue_acc~6#1| 1)) (.cse18 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648))) (.cse19 (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647)) (.cse20 (<= 0 |#StackHeapBarrier|)) (.cse22 (= ~cleanupTimeShifts~0 4)) (.cse23 (= |#NULL.base| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse12 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse24 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse25 (not (= 0 ~systemActive~0))) (.cse21 (= ~pumpRunning~0 1))) (or (and .cse2 .cse3 (<= |ULTIMATE.start_main_~tmp~5#1| 1) .cse4 .cse5 .cse6 (not (= |ULTIMATE.start_test_~tmp~0#1| 0)) (<= 1 |ULTIMATE.start_main_~tmp~5#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (and .cse2 .cse3 (not (= (ite (= ~waterLevel~0 0) 1 0) 0)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse24 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse25 .cse21 .cse22 .cse23) (and .cse1 .cse7 .cse12 .cse24 .cse25 .cse21))))) (or (and .cse0 (= ~methaneLevelCritical~0 1)) (and (= ~methaneLevelCritical~0 0) .cse1 .cse0)))) [2022-11-20 19:50:31,372 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 19:50:31,373 INFO L902 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2022-11-20 19:50:31,373 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2022-11-20 19:50:31,373 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2022-11-20 19:50:31,373 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse6 .cse8 .cse2 .cse4 .cse5 .cse9))) [2022-11-20 19:50:31,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:50:31,373 INFO L895 garLoopResultBuilder]: At program point L442(lines 442 449) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| |ULTIMATE.start_valid_product_#res#1|) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= |ULTIMATE.start_main_~tmp~5#1| 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~5#1|) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-20 19:50:31,374 INFO L902 garLoopResultBuilder]: At program point L442-2(lines 442 449) the Hoare annotation is: true [2022-11-20 19:50:31,374 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2022-11-20 19:50:31,374 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-11-20 19:50:31,374 INFO L895 garLoopResultBuilder]: At program point L335-1(lines 335 341) the Hoare annotation is: (let ((.cse0 (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse1 (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1))) (or (and .cse3 .cse4 .cse5 (not .cse2)) (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5))))) (or (and (= 1 ~systemActive~0) .cse1) (and .cse1 (or (< 1 ~waterLevel~0) .cse2))))))) (or (and .cse0 (= ~methaneLevelCritical~0 1)) (and (= ~methaneLevelCritical~0 0) .cse0))) [2022-11-20 19:50:31,374 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2022-11-20 19:50:31,374 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse7 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse4 .cse5 .cse9))) [2022-11-20 19:50:31,374 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2022-11-20 19:50:31,374 INFO L895 garLoopResultBuilder]: At program point L96(lines 96 111) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse6 .cse8 .cse2 .cse4 .cse5 .cse9))) [2022-11-20 19:50:31,375 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse6 .cse8 .cse2 .cse4 .cse5 .cse9))) [2022-11-20 19:50:31,375 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~5#1| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse6 .cse2 .cse4 .cse5) (and .cse8 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse6 .cse8 .cse2 .cse4 .cse5 .cse9))) [2022-11-20 19:50:31,375 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2022-11-20 19:50:31,375 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-11-20 19:50:31,375 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 170 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2022-11-20 19:50:31,376 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3) (or .cse0 (not (= |#NULL.offset| 0)) .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~9#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~9#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|)) (not (= ~head~0.offset 0)) .cse4 (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse3 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2022-11-20 19:50:31,376 INFO L895 garLoopResultBuilder]: At program point L178(lines 178 186) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 2))) (let ((.cse1 (not .cse2))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (let ((.cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~9#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (or (and .cse0 .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~9#1| 0)) (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~9#1| 1) .cse2))) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (let ((.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) (or (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 1)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not .cse3))))) .cse4 (not (= |#NULL.offset| 0)) .cse5 (not (= ~head~0.offset 0)) .cse6 (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse7 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) (or .cse4 .cse8 .cse5 .cse6 .cse7) (or .cse4 .cse5 (and .cse8 (or .cse9 .cse10)) (not (= ~methaneLevelCritical~0 1)) .cse7) (or .cse4 .cse5 .cse6 .cse9 .cse7 .cse10))))) [2022-11-20 19:50:31,376 INFO L895 garLoopResultBuilder]: At program point L174(lines 174 191) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2022-11-20 19:50:31,377 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-20 19:50:31,377 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2022-11-20 19:50:31,377 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2022-11-20 19:50:31,377 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2022-11-20 19:50:31,377 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 546 557) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8) (or .cse5 .cse1 .cse6 .cse2 .cse8) (or .cse0 .cse7 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse5 .cse7 .cse2 .cse3))) [2022-11-20 19:50:31,380 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:50:31,382 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:50:31,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:50:31 BoogieIcfgContainer [2022-11-20 19:50:31,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:50:31,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:50:31,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:50:31,438 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:50:31,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:48:33" (3/4) ... [2022-11-20 19:50:31,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:50:31,448 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 19:50:31,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 19:50:31,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 19:50:31,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 19:50:31,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 19:50:31,449 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 19:50:31,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 19:50:31,450 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 19:50:31,456 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-20 19:50:31,457 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 19:50:31,457 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 19:50:31,458 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:50:31,458 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:50:31,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && tmp == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \result == tmp) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-20 19:50:31,484 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) [2022-11-20 19:50:31,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || ((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-20 19:50:31,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel))) && (((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || ((methAndRunningLastTime <= 0 && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= methAndRunningLastTime)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || \old(methAndRunningLastTime) == methAndRunningLastTime) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel))) [2022-11-20 19:50:31,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0)) [2022-11-20 19:50:31,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((pumpRunning == 0 && !(tmp == 0)) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || ((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((tmp <= 0 && methAndRunningLastTime <= 0) && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= tmp) && 0 <= methAndRunningLastTime)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) || ((tmp <= 0 && 0 <= tmp) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-20 19:50:31,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || ((tmp <= 0 && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= tmp)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) && ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || ((tmp <= 0 && methAndRunningLastTime == 0) && 0 <= tmp)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && !(tmp == 0)) && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && tmp == methaneLevelCritical) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((2 <= waterLevel && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((waterLevel <= \old(waterLevel) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && tmp == methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((((pumpRunning == 0 && !(tmp == 0)) && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive)) [2022-11-20 19:50:31,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-20 19:50:31,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((retValue_acc == \result && (((retValue_acc == \result && !(waterLevel < 2)) && retValue_acc == 0) || ((retValue_acc == \result && retValue_acc == 1) && waterLevel < 2))) && tmp == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0)))) || !(\old(pumpRunning) == 0)) || !(#NULL == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(methAndRunningLastTime == 0)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && ((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)))) || !(methaneLevelCritical == 1)) || !(methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (waterLevel < 2 && tmp == 0)) || !(methAndRunningLastTime == 0)) || (!(waterLevel < 2) && tmp == 1)) [2022-11-20 19:50:31,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:50:31,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:50:31,516 INFO L158 Benchmark]: Toolchain (without parser) took 119409.38ms. Allocated memory was 144.7MB in the beginning and 859.8MB in the end (delta: 715.1MB). Free memory was 113.6MB in the beginning and 351.8MB in the end (delta: -238.3MB). Peak memory consumption was 479.0MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,517 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 57.7MB in the end (delta: 265.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:50:31,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.17ms. Allocated memory is still 144.7MB. Free memory was 113.6MB in the beginning and 94.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.05ms. Allocated memory is still 144.7MB. Free memory was 94.8MB in the beginning and 92.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:50:31,519 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 90.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,520 INFO L158 Benchmark]: RCFGBuilder took 731.63ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 65.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,520 INFO L158 Benchmark]: TraceAbstraction took 118044.34ms. Allocated memory was 144.7MB in the beginning and 859.8MB in the end (delta: 715.1MB). Free memory was 64.7MB in the beginning and 358.1MB in the end (delta: -293.5MB). Peak memory consumption was 481.2MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,521 INFO L158 Benchmark]: Witness Printer took 77.62ms. Allocated memory is still 859.8MB. Free memory was 358.1MB in the beginning and 351.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 19:50:31,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 58.0MB in the beginning and 57.7MB in the end (delta: 265.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.17ms. Allocated memory is still 144.7MB. Free memory was 113.6MB in the beginning and 94.8MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.05ms. Allocated memory is still 144.7MB. Free memory was 94.8MB in the beginning and 92.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 144.7MB. Free memory was 92.6MB in the beginning and 90.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 731.63ms. Allocated memory is still 144.7MB. Free memory was 90.6MB in the beginning and 65.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 118044.34ms. Allocated memory was 144.7MB in the beginning and 859.8MB in the end (delta: 715.1MB). Free memory was 64.7MB in the beginning and 358.1MB in the end (delta: -293.5MB). Peak memory consumption was 481.2MB. Max. memory is 16.1GB. * Witness Printer took 77.62ms. Allocated memory is still 859.8MB. Free memory was 358.1MB in the beginning and 351.8MB 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: 1005]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117.9s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 26.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 39.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2949 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2910 mSDsluCounter, 4512 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3549 mSDsCounter, 1433 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7487 IncrementalHoareTripleChecker+Invalid, 8920 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1433 mSolverCounterUnsat, 963 mSDtfsCounter, 7487 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1304 GetRequests, 922 SyntacticMatches, 25 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10096 ImplicationChecksByTransitivity, 44.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1787occurred in iteration=12, InterpolantAutomatonStates: 203, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 470 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 3042 PreInvPairs, 3717 NumberOfFragments, 5111 HoareAnnotationTreeSize, 3042 FomulaSimplifications, 32132 FormulaSimplificationTreeSizeReduction, 12.3s HoareSimplificationTime, 37 FomulaSimplificationsInter, 491464 FormulaSimplificationTreeSizeReductionInter, 27.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 1351 NumberOfCodeBlocks, 1298 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1570 ConstructedInterpolants, 0 QuantifiedInterpolants, 5303 SizeOfPredicates, 68 NumberOfNonLiveVariables, 2442 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 976/1187 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: OVERALL_TIME: 9.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 12, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 106, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 133, TOOLS_POST_TIME: 3.1s, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME: 3.5s, TOOLS_POST_RETURN_APPLICATIONS: 56, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME: 7.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 316, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 60, DOMAIN_JOIN_TIME: 0.8s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 106, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 4.5s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.5s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 56, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME: 0.2s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1492, DAG_COMPRESSION_RETAINED_NODES: 273, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || ((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && 1 == systemActive) && \old(waterLevel) <= waterLevel + 1) && pumpRunning == 1) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || ((tmp <= 0 && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= tmp)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) && ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || ((tmp <= 0 && methAndRunningLastTime == 0) && 0 <= tmp)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || ((((((((pumpRunning == 0 && !(tmp == 0)) && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && tmp == methaneLevelCritical) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((2 <= waterLevel && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((waterLevel <= \old(waterLevel) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && !(0 == systemActive)) && tmp == methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((((pumpRunning == 0 && !(tmp == 0)) && methAndRunningLastTime == 0) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 0)) || !(0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((methAndRunningLastTime == 0 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel) && 0 == systemActive)) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((pumpRunning == \old(pumpRunning) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((methAndRunningLastTime == 0 && 2 <= waterLevel) && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel))) && (((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || ((methAndRunningLastTime <= 0 && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= methAndRunningLastTime)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || \old(methAndRunningLastTime) == methAndRunningLastTime) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (waterLevel <= 1 && 1 <= waterLevel)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((pumpRunning == 0 && !(tmp == 0)) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || ((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && tmp == methaneLevelCritical) && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(2 <= \old(waterLevel)))) && (((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((tmp <= 0 && methAndRunningLastTime <= 0) && (if waterLevel == 0 then 1 else 0) == 0) && 0 <= tmp) && 0 <= methAndRunningLastTime)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || waterLevel <= 1) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methAndRunningLastTime == 0 && waterLevel <= \old(waterLevel)) && \old(waterLevel) <= waterLevel) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && (!(\old(pumpRunning) == 0) || \old(waterLevel) <= waterLevel))) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) == 2)) || \old(waterLevel) == waterLevel) || !(0 == systemActive))) && ((((((((((!(\old(pumpRunning) == 0) || ((tmp <= 0 && 0 <= tmp) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && methAndRunningLastTime == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && tmp == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \result == tmp) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == 1) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1)) || (((((2 <= waterLevel && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 1)) || (((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 1) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((1 == systemActive && ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && tmp == 1))) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && tmp == 1)) && (1 < waterLevel || 0 == systemActive))) && methaneLevelCritical == 1) || (methaneLevelCritical == 0 && ((1 == systemActive && ((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && tmp == 1))) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && tmp == 1)) && (1 < waterLevel || 0 == systemActive)))) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((((((((retValue_acc == \result && (((retValue_acc == \result && !(waterLevel < 2)) && retValue_acc == 0) || ((retValue_acc == \result && retValue_acc == 1) && waterLevel < 2))) && tmp == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0)))) || !(\old(pumpRunning) == 0)) || !(#NULL == 0)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(methAndRunningLastTime == 0)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && ((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)))) || !(methaneLevelCritical == 1)) || !(methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (waterLevel < 2 && tmp == 0)) || !(methAndRunningLastTime == 0)) || (!(waterLevel < 2) && tmp == 1)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 1)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && splverifierCounter == 0) && tmp == 1) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && 0 == systemActive)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1)) || (((((2 <= waterLevel && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 1)) || (((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && tmp == 1) && pumpRunning == 1) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 19:50:31,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29a49ef9-4e99-47a2-98c7-8540a8ef2028/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