./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh --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 c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb --- 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-2329fc7 [2022-12-14 07:13:47,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:13:47,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:13:47,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:13:47,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:13:47,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:13:47,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:13:47,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:13:47,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:13:47,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:13:47,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:13:47,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:13:47,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:13:47,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:13:47,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:13:47,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:13:47,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:13:47,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:13:47,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:13:47,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:13:47,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:13:47,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:13:47,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:13:47,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:13:47,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:13:47,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:13:47,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:13:47,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:13:47,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:13:47,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:13:47,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:13:47,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:13:47,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:13:47,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:13:47,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:13:47,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:13:47,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:13:47,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:13:47,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:13:47,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:13:47,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:13:47,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 07:13:47,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:13:47,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:13:47,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:13:47,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:13:47,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:13:47,875 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:13:47,875 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:13:47,876 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:13:47,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:13:47,876 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:13:47,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:13:47,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:13:47,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:13:47,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:13:47,878 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_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2022-12-14 07:13:48,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:13:48,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:13:48,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:13:48,070 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:13:48,070 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:13:48,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-12-14 07:13:50,669 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:13:50,851 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:13:50,851 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-12-14 07:13:50,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/data/2ae7f4cf6/c23c5400c4134f1e8eb8aa6bdeb11bb7/FLAGf9b23ce81 [2022-12-14 07:13:50,871 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/data/2ae7f4cf6/c23c5400c4134f1e8eb8aa6bdeb11bb7 [2022-12-14 07:13:50,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:13:50,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:13:50,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:13:50,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:13:50,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:13:50,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:13:50" (1/1) ... [2022-12-14 07:13:50,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47449c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:50, skipping insertion in model container [2022-12-14 07:13:50,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:13:50" (1/1) ... [2022-12-14 07:13:50,886 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:13:50,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:13:51,123 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_bbe5008f-09b0-405d-95d3-296024f354b3/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-12-14 07:13:51,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:13:51,148 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:13:51,199 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_bbe5008f-09b0-405d-95d3-296024f354b3/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-12-14 07:13:51,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:13:51,222 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:13:51,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51 WrapperNode [2022-12-14 07:13:51,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:13:51,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:13:51,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:13:51,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:13:51,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,261 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 198 [2022-12-14 07:13:51,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:13:51,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:13:51,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:13:51,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:13:51,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:13:51,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:13:51,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:13:51,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:13:51,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (1/1) ... [2022-12-14 07:13:51,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:13:51,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:13:51,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:13:51,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:13:51,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:13:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-14 07:13:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-14 07:13:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-14 07:13:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-14 07:13:51,344 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-14 07:13:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-14 07:13:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-14 07:13:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-14 07:13:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-14 07:13:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-14 07:13:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-14 07:13:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-14 07:13:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:13:51,345 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-14 07:13:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-14 07:13:51,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:13:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:13:51,404 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:13:51,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:13:51,616 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:13:51,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:13:51,691 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 07:13:51,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:13:51 BoogieIcfgContainer [2022-12-14 07:13:51,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:13:51,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:13:51,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:13:51,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:13:51,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:13:50" (1/3) ... [2022-12-14 07:13:51,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad7802d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:13:51, skipping insertion in model container [2022-12-14 07:13:51,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:13:51" (2/3) ... [2022-12-14 07:13:51,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad7802d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:13:51, skipping insertion in model container [2022-12-14 07:13:51,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:13:51" (3/3) ... [2022-12-14 07:13:51,700 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2022-12-14 07:13:51,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:13:51,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:13:51,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:13:51,754 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;@609d2fee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:13:51,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:13:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 07:13:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 07:13:51,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:51,764 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:13:51,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:51,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:51,768 INFO L85 PathProgramCache]: Analyzing trace with hash -331771572, now seen corresponding path program 1 times [2022-12-14 07:13:51,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:51,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300728739] [2022-12-14 07:13:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:51,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:51,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300728739] [2022-12-14 07:13:51,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300728739] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:51,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:51,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:13:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623479604] [2022-12-14 07:13:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:51,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 07:13:51,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:51,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 07:13:51,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 07:13:51,957 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2022-12-14 07:13:52,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:52,014 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-12-14 07:13:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 07:13:52,016 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 [2022-12-14 07:13:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:52,022 INFO L225 Difference]: With dead ends: 114 [2022-12-14 07:13:52,022 INFO L226 Difference]: Without dead ends: 53 [2022-12-14 07:13:52,024 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 [2022-12-14 07:13:52,027 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:52,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:13:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-14 07:13:52,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-14 07:13:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-14 07:13:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-12-14 07:13:52,056 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 17 [2022-12-14 07:13:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:52,057 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-12-14 07:13:52,057 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) [2022-12-14 07:13:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-12-14 07:13:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 07:13:52,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:52,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:13:52,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:13:52,059 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:52,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:52,060 INFO L85 PathProgramCache]: Analyzing trace with hash 463385738, now seen corresponding path program 1 times [2022-12-14 07:13:52,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:52,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556399685] [2022-12-14 07:13:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:52,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:52,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:52,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556399685] [2022-12-14 07:13:52,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556399685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:52,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:52,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:13:52,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585221819] [2022-12-14 07:13:52,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:52,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:13:52,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:52,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:13:52,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:13:52,131 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2022-12-14 07:13:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:52,167 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-12-14 07:13:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:13:52,167 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 [2022-12-14 07:13:52,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:52,168 INFO L225 Difference]: With dead ends: 83 [2022-12-14 07:13:52,168 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 07:13:52,168 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 [2022-12-14 07:13:52,169 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:52,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 75 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:13:52,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 07:13:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 07:13:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 36 states have internal predecessors, (39), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 07:13:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2022-12-14 07:13:52,176 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 18 [2022-12-14 07:13:52,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:52,176 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2022-12-14 07:13:52,176 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) [2022-12-14 07:13:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-12-14 07:13:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 07:13:52,177 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:52,177 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] [2022-12-14 07:13:52,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:13:52,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:52,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:52,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1139352080, now seen corresponding path program 1 times [2022-12-14 07:13:52,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:52,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211173957] [2022-12-14 07:13:52,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:52,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:52,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:52,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211173957] [2022-12-14 07:13:52,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211173957] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:52,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:52,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:13:52,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858039659] [2022-12-14 07:13:52,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:52,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:13:52,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:52,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:13:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:13:52,303 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-12-14 07:13:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:52,363 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2022-12-14 07:13:52,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:13:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 20 [2022-12-14 07:13:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:52,364 INFO L225 Difference]: With dead ends: 88 [2022-12-14 07:13:52,364 INFO L226 Difference]: Without dead ends: 45 [2022-12-14 07:13:52,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:13:52,365 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:52,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 53 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:13:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-14 07:13:52,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-14 07:13:52,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-14 07:13:52,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-12-14 07:13:52,371 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 20 [2022-12-14 07:13:52,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:52,372 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-12-14 07:13:52,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-12-14 07:13:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-12-14 07:13:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 07:13:52,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:52,373 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 07:13:52,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:13:52,373 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:52,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:52,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2054480960, now seen corresponding path program 1 times [2022-12-14 07:13:52,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:52,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711615603] [2022-12-14 07:13:52,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:52,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:13:52,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:52,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711615603] [2022-12-14 07:13:52,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711615603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:52,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:52,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:13:52,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388450626] [2022-12-14 07:13:52,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:52,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:13:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:52,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:13:52,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:13:52,528 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 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) [2022-12-14 07:13:52,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:52,756 INFO L93 Difference]: Finished difference Result 230 states and 299 transitions. [2022-12-14 07:13:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:13:52,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-12-14 07:13:52,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:52,760 INFO L225 Difference]: With dead ends: 230 [2022-12-14 07:13:52,760 INFO L226 Difference]: Without dead ends: 187 [2022-12-14 07:13:52,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:13:52,762 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 154 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:52,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 308 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:13:52,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-12-14 07:13:52,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 161. [2022-12-14 07:13:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 122 states have internal predecessors, (140), 27 states have call successors, (27), 23 states have call predecessors, (27), 25 states have return successors, (36), 26 states have call predecessors, (36), 27 states have call successors, (36) [2022-12-14 07:13:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 203 transitions. [2022-12-14 07:13:52,785 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 203 transitions. Word has length 27 [2022-12-14 07:13:52,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:52,786 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 203 transitions. [2022-12-14 07:13:52,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 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) [2022-12-14 07:13:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 203 transitions. [2022-12-14 07:13:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 07:13:52,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:52,787 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] [2022-12-14 07:13:52,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:13:52,787 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:52,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:52,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1709226243, now seen corresponding path program 1 times [2022-12-14 07:13:52,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:52,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855206975] [2022-12-14 07:13:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:52,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:52,851 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:52,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855206975] [2022-12-14 07:13:52,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855206975] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:52,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:52,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:13:52,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685654255] [2022-12-14 07:13:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:52,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:13:52,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:52,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:13:52,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:13:52,853 INFO L87 Difference]: Start difference. First operand 161 states and 203 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:13:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:53,029 INFO L93 Difference]: Finished difference Result 427 states and 572 transitions. [2022-12-14 07:13:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 07:13:53,030 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-12-14 07:13:53,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:53,034 INFO L225 Difference]: With dead ends: 427 [2022-12-14 07:13:53,034 INFO L226 Difference]: Without dead ends: 314 [2022-12-14 07:13:53,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-14 07:13:53,036 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 88 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:53,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 278 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:13:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-12-14 07:13:53,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 284. [2022-12-14 07:13:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 190 states have (on average 1.2263157894736842) internal successors, (233), 208 states have internal predecessors, (233), 48 states have call successors, (48), 44 states have call predecessors, (48), 45 states have return successors, (66), 49 states have call predecessors, (66), 48 states have call successors, (66) [2022-12-14 07:13:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2022-12-14 07:13:53,071 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 28 [2022-12-14 07:13:53,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:53,071 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2022-12-14 07:13:53,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 07:13:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2022-12-14 07:13:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 07:13:53,072 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:53,072 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, 1, 1] [2022-12-14 07:13:53,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:13:53,072 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:53,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1637488727, now seen corresponding path program 1 times [2022-12-14 07:13:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:53,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384677923] [2022-12-14 07:13:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:53,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:53,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384677923] [2022-12-14 07:13:53,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384677923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:53,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:53,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:13:53,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387454545] [2022-12-14 07:13:53,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:53,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:13:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:53,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:13:53,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:13:53,160 INFO L87 Difference]: Start difference. First operand 284 states and 347 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 07:13:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:53,321 INFO L93 Difference]: Finished difference Result 735 states and 913 transitions. [2022-12-14 07:13:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:13:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2022-12-14 07:13:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:53,326 INFO L225 Difference]: With dead ends: 735 [2022-12-14 07:13:53,326 INFO L226 Difference]: Without dead ends: 453 [2022-12-14 07:13:53,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:13:53,328 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 112 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:53,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 207 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:13:53,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-12-14 07:13:53,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 382. [2022-12-14 07:13:53,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 256 states have (on average 1.2109375) internal successors, (310), 279 states have internal predecessors, (310), 65 states have call successors, (65), 59 states have call predecessors, (65), 60 states have return successors, (89), 66 states have call predecessors, (89), 65 states have call successors, (89) [2022-12-14 07:13:53,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 464 transitions. [2022-12-14 07:13:53,366 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 464 transitions. Word has length 31 [2022-12-14 07:13:53,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:53,366 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 464 transitions. [2022-12-14 07:13:53,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-14 07:13:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 464 transitions. [2022-12-14 07:13:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 07:13:53,367 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:53,368 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, 1, 1, 1, 1, 1] [2022-12-14 07:13:53,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:13:53,368 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:53,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash 583481110, now seen corresponding path program 1 times [2022-12-14 07:13:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:53,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238743622] [2022-12-14 07:13:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:53,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:13:53,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:53,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238743622] [2022-12-14 07:13:53,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238743622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:53,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:13:53,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 07:13:53,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707609479] [2022-12-14 07:13:53,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:53,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 07:13:53,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:53,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 07:13:53,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:13:53,522 INFO L87 Difference]: Start difference. First operand 382 states and 464 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:13:53,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:53,955 INFO L93 Difference]: Finished difference Result 921 states and 1140 transitions. [2022-12-14 07:13:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-14 07:13:53,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-12-14 07:13:53,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:53,960 INFO L225 Difference]: With dead ends: 921 [2022-12-14 07:13:53,960 INFO L226 Difference]: Without dead ends: 688 [2022-12-14 07:13:53,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-12-14 07:13:53,961 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 278 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:53,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 225 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:13:53,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-12-14 07:13:54,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 666. [2022-12-14 07:13:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 453 states have (on average 1.2229580573951435) internal successors, (554), 491 states have internal predecessors, (554), 112 states have call successors, (112), 95 states have call predecessors, (112), 100 states have return successors, (156), 111 states have call predecessors, (156), 112 states have call successors, (156) [2022-12-14 07:13:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 822 transitions. [2022-12-14 07:13:54,025 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 822 transitions. Word has length 34 [2022-12-14 07:13:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:54,026 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 822 transitions. [2022-12-14 07:13:54,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:13:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 822 transitions. [2022-12-14 07:13:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 07:13:54,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:54,029 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-14 07:13:54,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:13:54,029 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:54,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:54,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1893505043, now seen corresponding path program 1 times [2022-12-14 07:13:54,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:54,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677681910] [2022-12-14 07:13:54,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:54,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:54,088 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:13:54,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:54,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677681910] [2022-12-14 07:13:54,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677681910] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:13:54,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209800325] [2022-12-14 07:13:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:54,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:13:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:13:54,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:13:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:13:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:54,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 07:13:54,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:13:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:13:54,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:13:54,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209800325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:13:54,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:13:54,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2022-12-14 07:13:54,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611628438] [2022-12-14 07:13:54,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:13:54,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 07:13:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:13:54,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 07:13:54,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-14 07:13:54,447 INFO L87 Difference]: Start difference. First operand 666 states and 822 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2022-12-14 07:13:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:13:54,892 INFO L93 Difference]: Finished difference Result 1050 states and 1303 transitions. [2022-12-14 07:13:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 07:13:54,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 55 [2022-12-14 07:13:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:13:54,895 INFO L225 Difference]: With dead ends: 1050 [2022-12-14 07:13:54,895 INFO L226 Difference]: Without dead ends: 540 [2022-12-14 07:13:54,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-12-14 07:13:54,897 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 143 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:13:54,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 202 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 07:13:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-12-14 07:13:54,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 503. [2022-12-14 07:13:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 342 states have (on average 1.2222222222222223) internal successors, (418), 370 states have internal predecessors, (418), 84 states have call successors, (84), 71 states have call predecessors, (84), 76 states have return successors, (114), 83 states have call predecessors, (114), 84 states have call successors, (114) [2022-12-14 07:13:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 616 transitions. [2022-12-14 07:13:54,941 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 616 transitions. Word has length 55 [2022-12-14 07:13:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:13:54,941 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 616 transitions. [2022-12-14 07:13:54,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2022-12-14 07:13:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 616 transitions. [2022-12-14 07:13:54,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 07:13:54,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:13:54,943 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-14 07:13:54,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:13:55,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:13:55,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:13:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:13:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash 408239155, now seen corresponding path program 2 times [2022-12-14 07:13:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:13:55,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723964421] [2022-12-14 07:13:55,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:13:55,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:13:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:13:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 07:13:55,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:13:55,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723964421] [2022-12-14 07:13:55,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723964421] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:13:55,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434815080] [2022-12-14 07:13:55,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:13:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:13:55,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:13:55,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:13:55,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:13:55,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:13:55,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:13:55,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 07:13:55,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:13:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 07:13:55,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:13:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:13:55,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434815080] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:13:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [752015380] [2022-12-14 07:13:55,906 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-12-14 07:13:55,906 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:13:55,909 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:13:55,915 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:13:55,915 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:13:58,031 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 114 for LOIs [2022-12-14 07:13:58,038 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 119 for LOIs [2022-12-14 07:13:58,408 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 119 for LOIs [2022-12-14 07:13:58,510 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 112 for LOIs [2022-12-14 07:13:58,516 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:14:05,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [752015380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:14:05,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 07:14:05,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [7, 9, 8] total 38 [2022-12-14 07:14:05,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746073927] [2022-12-14 07:14:05,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:14:05,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-14 07:14:05,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:14:05,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-14 07:14:05,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1181, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 07:14:05,687 INFO L87 Difference]: Start difference. First operand 503 states and 616 transitions. Second operand has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 07:14:09,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:09,941 INFO L93 Difference]: Finished difference Result 1074 states and 1322 transitions. [2022-12-14 07:14:09,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-14 07:14:09,942 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 55 [2022-12-14 07:14:09,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:09,944 INFO L225 Difference]: With dead ends: 1074 [2022-12-14 07:14:09,944 INFO L226 Difference]: Without dead ends: 636 [2022-12-14 07:14:09,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 119 SyntacticMatches, 15 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=359, Invalid=1803, Unknown=0, NotChecked=0, Total=2162 [2022-12-14 07:14:09,947 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 84 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:09,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 451 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 07:14:09,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2022-12-14 07:14:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 597. [2022-12-14 07:14:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 408 states have (on average 1.2107843137254901) internal successors, (494), 438 states have internal predecessors, (494), 97 states have call successors, (97), 84 states have call predecessors, (97), 91 states have return successors, (129), 95 states have call predecessors, (129), 97 states have call successors, (129) [2022-12-14 07:14:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 720 transitions. [2022-12-14 07:14:10,017 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 720 transitions. Word has length 55 [2022-12-14 07:14:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:10,018 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 720 transitions. [2022-12-14 07:14:10,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 07:14:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 720 transitions. [2022-12-14 07:14:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 07:14:10,019 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:14:10,019 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-14 07:14:10,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:14:10,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-14 07:14:10,220 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:14:10,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:14:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash -659187609, now seen corresponding path program 1 times [2022-12-14 07:14:10,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:14:10,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678447806] [2022-12-14 07:14:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:14:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 07:14:10,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:14:10,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678447806] [2022-12-14 07:14:10,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678447806] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:14:10,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:14:10,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 07:14:10,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951822948] [2022-12-14 07:14:10,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:14:10,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 07:14:10,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:14:10,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 07:14:10,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-14 07:14:10,464 INFO L87 Difference]: Start difference. First operand 597 states and 720 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-12-14 07:14:11,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:11,041 INFO L93 Difference]: Finished difference Result 1336 states and 1649 transitions. [2022-12-14 07:14:11,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 07:14:11,042 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 56 [2022-12-14 07:14:11,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:11,045 INFO L225 Difference]: With dead ends: 1336 [2022-12-14 07:14:11,045 INFO L226 Difference]: Without dead ends: 894 [2022-12-14 07:14:11,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2022-12-14 07:14:11,046 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 240 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:11,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 195 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:14:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2022-12-14 07:14:11,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 844. [2022-12-14 07:14:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 577 states have (on average 1.2045060658578857) internal successors, (695), 622 states have internal predecessors, (695), 140 states have call successors, (140), 109 states have call predecessors, (140), 126 states have return successors, (194), 140 states have call predecessors, (194), 140 states have call successors, (194) [2022-12-14 07:14:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1029 transitions. [2022-12-14 07:14:11,145 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1029 transitions. Word has length 56 [2022-12-14 07:14:11,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:11,145 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1029 transitions. [2022-12-14 07:14:11,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-12-14 07:14:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1029 transitions. [2022-12-14 07:14:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 07:14:11,146 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:14:11,146 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:14:11,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:14:11,147 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:14:11,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:14:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1523352836, now seen corresponding path program 1 times [2022-12-14 07:14:11,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:14:11,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998961186] [2022-12-14 07:14:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:11,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:14:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 07:14:11,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:14:11,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998961186] [2022-12-14 07:14:11,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998961186] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:14:11,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596294543] [2022-12-14 07:14:11,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:11,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:14:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:14:11,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:14:11,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:14:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:11,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 07:14:11,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:14:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 07:14:11,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:14:11,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596294543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:14:11,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:14:11,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 13 [2022-12-14 07:14:11,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154258604] [2022-12-14 07:14:11,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:14:11,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 07:14:11,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:14:11,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 07:14:11,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:14:11,368 INFO L87 Difference]: Start difference. First operand 844 states and 1029 transitions. Second operand has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 07:14:11,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:11,695 INFO L93 Difference]: Finished difference Result 1492 states and 1892 transitions. [2022-12-14 07:14:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-14 07:14:11,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-12-14 07:14:11,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:11,698 INFO L225 Difference]: With dead ends: 1492 [2022-12-14 07:14:11,699 INFO L226 Difference]: Without dead ends: 1104 [2022-12-14 07:14:11,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2022-12-14 07:14:11,700 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 56 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:11,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 421 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:14:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2022-12-14 07:14:11,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 1035. [2022-12-14 07:14:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 707 states have (on average 1.1824611032531824) internal successors, (836), 755 states have internal predecessors, (836), 172 states have call successors, (172), 139 states have call predecessors, (172), 155 states have return successors, (245), 170 states have call predecessors, (245), 172 states have call successors, (245) [2022-12-14 07:14:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1253 transitions. [2022-12-14 07:14:11,817 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1253 transitions. Word has length 58 [2022-12-14 07:14:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:11,818 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1253 transitions. [2022-12-14 07:14:11,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 07:14:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1253 transitions. [2022-12-14 07:14:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 07:14:11,819 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:14:11,819 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, 1, 1] [2022-12-14 07:14:11,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:14:12,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-14 07:14:12,020 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:14:12,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:14:12,020 INFO L85 PathProgramCache]: Analyzing trace with hash 327463856, now seen corresponding path program 1 times [2022-12-14 07:14:12,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:14:12,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718289953] [2022-12-14 07:14:12,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:12,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:14:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 07:14:12,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:14:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718289953] [2022-12-14 07:14:12,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718289953] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:14:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195420889] [2022-12-14 07:14:12,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:14:12,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:14:12,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:14:12,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:14:12,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:14:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:14:12,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 07:14:12,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:14:12,211 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 07:14:12,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:14:12,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195420889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:14:12,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:14:12,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-12-14 07:14:12,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105910985] [2022-12-14 07:14:12,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:14:12,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:14:12,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:14:12,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:14:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-14 07:14:12,213 INFO L87 Difference]: Start difference. First operand 1035 states and 1253 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:14:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:14:12,443 INFO L93 Difference]: Finished difference Result 1833 states and 2245 transitions. [2022-12-14 07:14:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:14:12,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2022-12-14 07:14:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:14:12,444 INFO L225 Difference]: With dead ends: 1833 [2022-12-14 07:14:12,444 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:14:12,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:14:12,447 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 43 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:14:12,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 176 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 07:14:12,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:14:12,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:14:12,448 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) [2022-12-14 07:14:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:14:12,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2022-12-14 07:14:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:14:12,448 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:14:12,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 07:14:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:14:12,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:14:12,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 07:14:12,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:14:12,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:14:12,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:14:33,208 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2022-12-14 07:14:33,208 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 864) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 (not (= ~waterLevel~0 0)) (not .cse1) (= 0 ~systemActive~0)) (let ((.cse2 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse2 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not .cse0) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse1 (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (<= 2 ~waterLevel~0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse2 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= ~waterLevel~0 2)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))))) [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 865 873) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point L737-1(line 737) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 731 760) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point L756(lines 731 760) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 731 760) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point L745-1(lines 745 749) the Hoare annotation is: true [2022-12-14 07:14:33,210 INFO L902 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: true [2022-12-14 07:14:33,211 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (= 0 ~systemActive~0) [2022-12-14 07:14:33,211 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 175 194) no Hoare annotation was computed. [2022-12-14 07:14:33,211 INFO L895 garLoopResultBuilder]: At program point L238(lines 238 246) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0))) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-12-14 07:14:33,211 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2022-12-14 07:14:33,211 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2022-12-14 07:14:33,211 INFO L895 garLoopResultBuilder]: At program point L936(lines 936 949) the Hoare annotation is: (let ((.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse15 (not .cse14)) (.cse17 (not (= |old(~waterLevel~0)| 0))) (.cse16 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~pumpRunning~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse3 (not .cse10)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= ~waterLevel~0 1)) (.cse4 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1| 0)) (.cse9 (and (or (and .cse15 .cse17) .cse0) (or .cse16 .cse0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (let ((.cse7 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1| 1)) (.cse6 (= ~waterLevel~0 0))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6) (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1| |old(~waterLevel~0)|) (not .cse7) .cse8 .cse1) .cse9 (and .cse7 (or .cse10 .cse6) .cse8 (<= |old(~waterLevel~0)| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|)))) (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse8 .cse0 .cse11 .cse12 .cse13) (or .cse14 (and .cse2 .cse3 .cse5) .cse0) (or .cse15 .cse16 .cse0 .cse11) (or .cse4 .cse17 .cse0) (let ((.cse18 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse18 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) .cse9 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse18 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (and (= |timeShift_getWaterLevel_~retValue_acc~10#1| ~waterLevel~0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (= |timeShift_getWaterLevel_~retValue_acc~10#1| |timeShift_getWaterLevel_#res#1|)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse12 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse13)))))) [2022-12-14 07:14:33,212 INFO L895 garLoopResultBuilder]: At program point L936-1(lines 921 953) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse15 (= ~waterLevel~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse26 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= |old(~pumpRunning~0)| 0))) (let ((.cse23 (not .cse0)) (.cse24 (not (= |old(~waterLevel~0)| 1))) (.cse25 (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) .cse3) (and .cse26 .cse3))) (.cse1 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse19 (not .cse9)) (.cse11 (or .cse26 .cse15)) (.cse13 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (.cse7 (not .cse4))) (let ((.cse2 (not .cse26)) (.cse10 (<= ~waterLevel~0 1)) (.cse14 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and .cse25 .cse1 .cse19 .cse11 .cse13 .cse7)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse20 (not (<= |old(~waterLevel~0)| 2))) (.cse21 (not (<= 2 |old(~waterLevel~0)|))) (.cse16 (and (or (and .cse23 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse24 .cse4))) (.cse17 (and .cse25 .cse1 .cse19 .cse15 .cse13 .cse7)) (.cse22 (= ~waterLevel~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse4 .cse5 (and .cse7 .cse8)) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse7) (and .cse14 .cse12 .cse13 .cse7 .cse8) .cse4 .cse5) (or (and .cse1 .cse2 .cse3 .cse15 .cse7) (and .cse10 .cse11 .cse12 .cse7) .cse16 (and .cse14 .cse12 .cse7 .cse8) .cse17) (let ((.cse18 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse18 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (and (= |timeShift_getWaterLevel_#res#1| |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|) (= |timeShift_getWaterLevel_~retValue_acc~10#1| ~waterLevel~0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (= |timeShift_getWaterLevel_~retValue_acc~10#1| |timeShift_getWaterLevel_#res#1|)) (not (= (select |#length| 9) 21)) .cse16 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse19 (not (= (select .cse18 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse20 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse21)) (or .cse9 .cse6 .cse4 .cse5) (or .cse12 .cse4 .cse22 .cse20 .cse21) (or .cse9 .cse16 .cse0 .cse17) (or .cse23 .cse24 .cse4 .cse22))))) [2022-12-14 07:14:33,212 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0)) (.cse13 (= ~waterLevel~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (not .cse14)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse19 (not .cse0)) (.cse15 (= ~pumpRunning~0 1)) (.cse20 (or .cse18 .cse13)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (not .cse4))) (let ((.cse2 (and (<= ~waterLevel~0 1) .cse20 .cse6 .cse21)) (.cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse15)) (.cse8 (and .cse10 .cse19 .cse13 .cse21)) (.cse9 (and (or (and .cse16 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse17 .cse4))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (and .cse10 .cse19 .cse20 .cse12 .cse21)) (.cse11 (not .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse6 .cse4 .cse7 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse8 .cse2 .cse9 .cse3 (and .cse10 .cse11 .cse12 .cse13)) (or .cse0 .cse8 .cse9 .cse14) (or .cse1 .cse5 .cse4 .cse15) (or .cse16 .cse17 .cse4 .cse7) (or .cse1 .cse14 (and .cse10 .cse11 .cse12) .cse4))))) [2022-12-14 07:14:33,212 INFO L899 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2022-12-14 07:14:33,212 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0))) .cse0) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-12-14 07:14:33,212 INFO L895 garLoopResultBuilder]: At program point L276-1(line 276) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0)) (= |timeShift_isMethaneAlarm_#t~ret11#1| ~methaneLevelCritical~0)) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-12-14 07:14:33,213 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0))) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-12-14 07:14:33,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 195) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not .cse1) .cse2 .cse0 (= ~waterLevel~0 0)) (or (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (or (not .cse2) .cse1 .cse0))) [2022-12-14 07:14:33,213 INFO L895 garLoopResultBuilder]: At program point L930(lines 930 950) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse20 (= ~waterLevel~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse25 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= |old(~pumpRunning~0)| 0))) (let ((.cse21 (not .cse0)) (.cse22 (not (= |old(~waterLevel~0)| 1))) (.cse23 (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) .cse3) (and .cse25 .cse3))) (.cse1 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse8 (not .cse11)) (.cse12 (or .cse25 .cse20)) (.cse13 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (.cse24 (not .cse4))) (let ((.cse17 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and .cse23 .cse1 .cse8 .cse12 .cse13 .cse24)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (or (and .cse21 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse22 .cse4))) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 1)) (.cse2 (not .cse25)) (.cse19 (and .cse23 .cse1 .cse8 .cse20 .cse13 .cse24)) (.cse18 (= ~waterLevel~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (let ((.cse6 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse6 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) .cse7 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse8 (not (= (select .cse6 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse9 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse10)) (or .cse11 (and .cse12 .cse13) .cse4 (and .cse14 .cse15 .cse13 .cse16)) (or .cse11 .cse17 .cse4 .cse5) (or .cse17 .cse4 .cse5 .cse16) (or .cse15 .cse4 .cse18 .cse9 .cse10) (or .cse11 .cse7 .cse0 .cse19) (or (and (<= ~waterLevel~0 1) .cse12 .cse15) .cse7 (and .cse14 .cse15 .cse16) (and .cse1 .cse2 .cse3 .cse20) .cse19) (or .cse21 .cse22 .cse4 .cse18))))) [2022-12-14 07:14:33,213 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (or (= ~pumpRunning~0 0) (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-12-14 07:14:33,213 INFO L895 garLoopResultBuilder]: At program point L249-1(lines 230 254) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0)) (.cse13 (= ~waterLevel~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (not .cse14)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse19 (not .cse0)) (.cse15 (= ~pumpRunning~0 1)) (.cse20 (or .cse18 .cse13)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (not .cse4))) (let ((.cse2 (and (<= ~waterLevel~0 1) .cse20 .cse6 .cse21)) (.cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse15)) (.cse8 (and .cse10 .cse19 .cse13 .cse21)) (.cse9 (and (or (and .cse16 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse17 .cse4))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (and .cse10 .cse19 .cse20 .cse12 .cse21)) (.cse11 (not .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse6 .cse4 .cse7 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse8 .cse2 .cse9 .cse3 (and .cse10 .cse11 .cse12 .cse13)) (or .cse0 .cse8 .cse9 .cse14) (or .cse1 .cse5 .cse4 .cse15) (or .cse16 .cse17 .cse4 .cse7) (or .cse1 .cse14 (and .cse10 .cse11 .cse12) .cse4))))) [2022-12-14 07:14:33,213 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2022-12-14 07:14:33,213 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2022-12-14 07:14:33,214 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L812(lines 812 819) 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) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 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_valid_product_~retValue_acc~1#1| |ULTIMATE.start_valid_product_#res#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) (= |ULTIMATE.start_valid_product_~retValue_acc~1#1| 1) (= (select .cse0 0) 48) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0) (= (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))) [2022-12-14 07:14:33,214 INFO L902 garLoopResultBuilder]: At program point L812-2(lines 812 819) the Hoare annotation is: true [2022-12-14 07:14:33,214 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (let ((.cse0 (or (and .cse1 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse1 .cse3 (or .cse2 (= ~waterLevel~0 0)) .cse4)))) (or (and .cse0 (< ~waterLevel~0 2)) (and .cse0 (not (= ~methaneLevelCritical~0 0))) (and .cse1 (not .cse2) .cse3 .cse4)))) [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (and .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2))) [2022-12-14 07:14:33,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:14:33,214 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-12-14 07:14:33,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 07:14:33,214 INFO L899 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2022-12-14 07:14:33,215 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-12-14 07:14:33,215 INFO L902 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2022-12-14 07:14:33,215 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-12-14 07:14:33,215 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2022-12-14 07:14:33,215 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse1 .cse0 (= ~waterLevel~0 0)) (let ((.cse2 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse2 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse2 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))))) [2022-12-14 07:14:33,215 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2022-12-14 07:14:33,215 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 204 228) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not .cse4)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse2 .cse0 (= ~waterLevel~0 0)) (let ((.cse3 (select |#memory_int| 1))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (not .cse2) .cse4 .cse0)))) [2022-12-14 07:14:33,215 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 204 228) no Hoare annotation was computed. [2022-12-14 07:14:33,216 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (and .cse1 (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|)) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (and (<= ~waterLevel~0 1) (or .cse1 (= ~waterLevel~0 0)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) .cse2) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-12-14 07:14:33,216 INFO L895 garLoopResultBuilder]: At program point L212(lines 212 220) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2))) (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not .cse0))) (and (or (and (or (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 1))) (or .cse2 (= ~waterLevel~0 0))) .cse3) (or (= |old(~pumpRunning~0)| 0) .cse3) (let ((.cse4 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse4 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse4 1) 0)) (not (= (select |#valid| 1) 1)) (and .cse2 (let ((.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|))) (or (and (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) .cse5 .cse0) (and .cse1 .cse5 (= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|)))) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (let ((.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) (or (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 1)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not .cse6))))) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))))))) [2022-12-14 07:14:33,217 INFO L895 garLoopResultBuilder]: At program point L208(lines 208 225) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not .cse4)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse2 .cse0 (= ~waterLevel~0 0)) (let ((.cse3 (select |#memory_int| 1))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (not .cse2) .cse4 .cse0)))) [2022-12-14 07:14:33,217 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2022-12-14 07:14:33,217 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 841 852) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1))) [2022-12-14 07:14:33,219 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:14:33,220 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:14:33,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:14:33 BoogieIcfgContainer [2022-12-14 07:14:33,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:14:33,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:14:33,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:14:33,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:14:33,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:13:51" (3/4) ... [2022-12-14 07:14:33,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-14 07:14:33,258 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-14 07:14:33,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2022-12-14 07:14:33,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 07:14:33,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 07:14:33,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:14:33,264 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:14:33,281 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) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 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) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp == systemActive) && \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 [2022-12-14 07:14:33,281 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && (\old(waterLevel) == waterLevel || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) && (((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) == 1)) || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0))) && (((methaneLevelCritical == 0 || (((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || \old(pumpRunning) == 0) || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && ((((((((((((((((((((((((((((((((((((((((((pumpRunning == \old(pumpRunning) || !(unknown-#length-unknown[12] == 25)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && !(pumpRunning == 0)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || methaneLevelCritical == tmp) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || ((pumpRunning == 0 || waterLevel == 0) && !(tmp == 0))) || 0 == systemActive) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && pumpRunning == 1))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || pumpRunning == 1)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || (!(0 == systemActive) && pumpRunning == 1))) && ((((methaneLevelCritical == 0 || ((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || (((\result == tmp___0 && retValue_acc == waterLevel) && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) [2022-12-14 07:14:33,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(pumpRunning == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-12-14 07:14:33,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && tmp___0 <= 0) && waterLevel <= \old(waterLevel)) && waterLevel == 0) || (((tmp___0 <= \old(waterLevel) && !(tmp___0 <= 1)) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((tmp___0 <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && \old(waterLevel) <= tmp___0))) && (methaneLevelCritical == 0 || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && ((tmp___0 <= 0 || !(\old(waterLevel) == 0)) || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) [2022-12-14 07:14:33,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)) && (pumpRunning == 0 || waterLevel == 0)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || (((((pumpRunning == 0 && (((1 == retValue_acc && \result == retValue_acc) && waterLevel < 2) || ((!(waterLevel < 2) && \result == retValue_acc) && 0 == retValue_acc))) && retValue_acc == tmp___0) && retValue_acc == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0))))) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-12-14 07:14:33,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:14:33,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:14:33,296 INFO L158 Benchmark]: Toolchain (without parser) took 42421.54ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 109.8MB in the beginning and 104.9MB in the end (delta: 4.9MB). Peak memory consumption was 164.3MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,296 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 114.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.32ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 91.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: Boogie Preprocessor took 22.84ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: RCFGBuilder took 407.81ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 64.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: TraceAbstraction took 41555.79ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 63.7MB in the beginning and 111.2MB in the end (delta: -47.5MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,297 INFO L158 Benchmark]: Witness Printer took 44.81ms. Allocated memory is still 299.9MB. Free memory was 111.2MB in the beginning and 104.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 07:14:33,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 114.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.32ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 91.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.84ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 87.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.81ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 64.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41555.79ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 63.7MB in the beginning and 111.2MB in the end (delta: -47.5MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. * Witness Printer took 44.81ms. Allocated memory is still 299.9MB. Free memory was 111.2MB in the beginning and 104.9MB 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: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1292 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1252 mSDsluCounter, 2647 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1902 mSDsCounter, 476 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3218 IncrementalHoareTripleChecker+Invalid, 3694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 476 mSolverCounterUnsat, 745 mSDtfsCounter, 3218 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 318 SyntacticMatches, 16 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1035occurred in iteration=11, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 344 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 2658 PreInvPairs, 3222 NumberOfFragments, 5051 HoareAnnotationTreeSize, 2658 FomulaSimplifications, 24291 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 36 FomulaSimplificationsInter, 141473 FormulaSimplificationTreeSizeReductionInter, 18.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 691 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 1737 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1108 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 200/223 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: 2.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 42, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 51, TOOLS_POST_TIME: 0.8s, TOOLS_POST_CALL_APPLICATIONS: 20, TOOLS_POST_CALL_TIME: 1.2s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 85, TOOLS_QUANTIFIERELIM_TIME: 2.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 116, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 596, DAG_COMPRESSION_RETAINED_NODES: 118, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && !(pumpRunning == 0)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && tmp___0 <= 0) && waterLevel <= \old(waterLevel)) && waterLevel == 0) || (((tmp___0 <= \old(waterLevel) && !(tmp___0 <= 1)) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((tmp___0 <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && \old(waterLevel) <= tmp___0))) && (methaneLevelCritical == 0 || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && ((tmp___0 <= 0 || !(\old(waterLevel) == 0)) || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(pumpRunning == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || (!(0 == systemActive) && pumpRunning == 1))) && ((((methaneLevelCritical == 0 || ((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || (((\result == tmp___0 && retValue_acc == waterLevel) && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) - InvariantResult [Line: 812]: 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) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 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) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp == systemActive) && \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: 930]: Loop Invariant Derived loop invariant: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || methaneLevelCritical == tmp) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || ((pumpRunning == 0 || waterLevel == 0) && !(tmp == 0))) || 0 == systemActive) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && pumpRunning == 1))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || pumpRunning == 1)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive) || (((tmp == 1 && splverifierCounter == 0) && (pumpRunning == 0 || waterLevel == 0)) && tmp == systemActive)) && waterLevel < 2) || (((((tmp == 1 && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive) || (((tmp == 1 && splverifierCounter == 0) && (pumpRunning == 0 || waterLevel == 0)) && tmp == systemActive)) && !(methaneLevelCritical == 0))) || (((tmp == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 == systemActive - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) && (((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) == 1)) || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0))) && (((methaneLevelCritical == 0 || (((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || \old(pumpRunning) == 0) || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (tmp == 1 && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)) && (pumpRunning == 0 || waterLevel == 0)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || (((((pumpRunning == 0 && (((1 == retValue_acc && \result == retValue_acc) && waterLevel < 2) || ((!(waterLevel < 2) && \result == retValue_acc) && 0 == retValue_acc))) && retValue_acc == tmp___0) && retValue_acc == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0))))) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && (\old(waterLevel) == waterLevel || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && ((((((((((((((((((((((((((((((((((((((((((pumpRunning == \old(pumpRunning) || !(unknown-#length-unknown[12] == 25)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-12-14 07:14:33,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbe5008f-09b0-405d-95d3-296024f354b3/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE