./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/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 f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 --- 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 05:29:57,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:29:57,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:29:57,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:29:57,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:29:57,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:29:57,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:29:57,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:29:57,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:29:57,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:29:57,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:29:57,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:29:57,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:29:57,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:29:57,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:29:57,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:29:57,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:29:57,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:29:57,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:29:57,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:29:57,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:29:57,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:29:57,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:29:57,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:29:57,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:29:57,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:29:57,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:29:57,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:29:57,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:29:57,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:29:57,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:29:57,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:29:57,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:29:57,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:29:57,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:29:57,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:29:57,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:29:57,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:29:57,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:29:57,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:29:57,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:29:57,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:29:57,354 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:29:57,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:29:57,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:29:57,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:29:57,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:29:57,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:29:57,356 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:29:57,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:29:57,356 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:29:57,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:29:57,356 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:29:57,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:29:57,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:29:57,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:29:57,357 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:29:57,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:29:57,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:29:57,358 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:29:57,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:29:57,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:29:57,359 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:29:57,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:29:57,360 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:29:57,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:29:57,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:29:57,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:29:57,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:29:57,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:29:57,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:29:57,361 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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f629674af99a09af382dbe6cebebcc4fb4b60762fab54c6aa0b3a2dc7cf784d0 [2022-12-14 05:29:57,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:29:57,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:29:57,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:29:57,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:29:57,567 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:29:57,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2022-12-14 05:30:00,110 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:30:00,285 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:30:00,286 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c [2022-12-14 05:30:00,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/data/79e296da5/018c58696ca04f2ca08a7b6a73088b6b/FLAG64ebc3198 [2022-12-14 05:30:00,665 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/data/79e296da5/018c58696ca04f2ca08a7b6a73088b6b [2022-12-14 05:30:00,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:30:00,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:30:00,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:30:00,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:30:00,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:30:00,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:30:00" (1/1) ... [2022-12-14 05:30:00,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654654f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:00, skipping insertion in model container [2022-12-14 05:30:00,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:30:00" (1/1) ... [2022-12-14 05:30:00,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:30:00,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:30:00,924 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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[17234,17247] [2022-12-14 05:30:00,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:30:00,936 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:30:00,991 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_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/sv-benchmarks/c/product-lines/minepump_spec4_product12.cil.c[17234,17247] [2022-12-14 05:30:00,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:30:01,008 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:30:01,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01 WrapperNode [2022-12-14 05:30:01,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:30:01,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:30:01,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:30:01,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:30:01,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,048 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 140 [2022-12-14 05:30:01,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:30:01,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:30:01,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:30:01,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:30:01,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:30:01,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:30:01,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:30:01,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:30:01,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (1/1) ... [2022-12-14 05:30:01,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:30:01,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:30:01,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:30:01,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:30:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:30:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-14 05:30:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-14 05:30:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-14 05:30:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-14 05:30:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-14 05:30:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-14 05:30:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:30:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-14 05:30:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-14 05:30:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:30:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:30:01,198 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:30:01,200 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:30:01,333 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:30:01,440 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:30:01,441 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:30:01,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:30:01 BoogieIcfgContainer [2022-12-14 05:30:01,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:30:01,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:30:01,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:30:01,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:30:01,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:30:00" (1/3) ... [2022-12-14 05:30:01,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624737cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:30:01, skipping insertion in model container [2022-12-14 05:30:01,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:30:01" (2/3) ... [2022-12-14 05:30:01,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@624737cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:30:01, skipping insertion in model container [2022-12-14 05:30:01,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:30:01" (3/3) ... [2022-12-14 05:30:01,452 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2022-12-14 05:30:01,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:30:01,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:30:01,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:30:01,521 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;@7f5abde2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:30:01,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:30:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-14 05:30:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 05:30:01,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:01,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:01,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:01,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:01,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1713574412, now seen corresponding path program 1 times [2022-12-14 05:30:01,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:01,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550282161] [2022-12-14 05:30:01,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:01,654 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 05:30:01,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:01,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550282161] [2022-12-14 05:30:01,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550282161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:01,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:01,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 05:30:01,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184382360] [2022-12-14 05:30:01,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:01,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:30:01,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:01,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:30:01,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:30:01,683 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:01,723 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-12-14 05:30:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:30:01,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 05:30:01,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:01,730 INFO L225 Difference]: With dead ends: 68 [2022-12-14 05:30:01,730 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 05:30:01,732 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 05:30:01,735 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:01,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:30:01,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 05:30:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-14 05:30:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:30:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-12-14 05:30:01,762 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-12-14 05:30:01,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:01,762 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-12-14 05:30:01,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-12-14 05:30:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:30:01,763 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:01,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:30:01,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:01,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1852149451, now seen corresponding path program 1 times [2022-12-14 05:30:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:01,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811887683] [2022-12-14 05:30:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:01,828 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 05:30:01,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:01,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811887683] [2022-12-14 05:30:01,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811887683] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:01,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:01,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:30:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111116035] [2022-12-14 05:30:01,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:01,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:30:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:01,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:30:01,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:30:01,831 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:01,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:01,854 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-12-14 05:30:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:30:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 05:30:01,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:01,855 INFO L225 Difference]: With dead ends: 37 [2022-12-14 05:30:01,856 INFO L226 Difference]: Without dead ends: 22 [2022-12-14 05:30:01,856 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 05:30:01,857 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:01,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:30:01,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-14 05:30:01,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-14 05:30:01,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:30:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-12-14 05:30:01,861 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-12-14 05:30:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:01,861 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-12-14 05:30:01,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-14 05:30:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:30:01,862 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:01,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:01,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:30:01,862 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:01,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:01,862 INFO L85 PathProgramCache]: Analyzing trace with hash 487288472, now seen corresponding path program 1 times [2022-12-14 05:30:01,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:01,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037021047] [2022-12-14 05:30:01,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:01,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:02,080 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 05:30:02,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:02,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037021047] [2022-12-14 05:30:02,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037021047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:02,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:02,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:30:02,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127092802] [2022-12-14 05:30:02,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:02,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:30:02,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:02,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:30:02,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:30:02,083 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:02,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:02,134 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-12-14 05:30:02,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:30:02,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 05:30:02,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:02,137 INFO L225 Difference]: With dead ends: 58 [2022-12-14 05:30:02,137 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 05:30:02,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:30:02,138 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:02,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 52 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:30:02,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 05:30:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-12-14 05:30:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 05:30:02,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-12-14 05:30:02,147 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2022-12-14 05:30:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:02,148 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-12-14 05:30:02,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 05:30:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-12-14 05:30:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 05:30:02,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:02,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:02,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:30:02,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:02,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash -97276134, now seen corresponding path program 1 times [2022-12-14 05:30:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:02,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208706190] [2022-12-14 05:30:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:02,364 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 05:30:02,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:02,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208706190] [2022-12-14 05:30:02,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208706190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:02,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:30:02,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:30:02,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087889100] [2022-12-14 05:30:02,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:02,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:30:02,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:02,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:30:02,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:30:02,367 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 05:30:02,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:02,458 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-12-14 05:30:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:30:02,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 16 [2022-12-14 05:30:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:02,459 INFO L225 Difference]: With dead ends: 81 [2022-12-14 05:30:02,459 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 05:30:02,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:30:02,461 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 21 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:02,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 83 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 05:30:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 05:30:02,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2022-12-14 05:30:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 05:30:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-12-14 05:30:02,471 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 16 [2022-12-14 05:30:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:02,471 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-12-14 05:30:02,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 05:30:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-12-14 05:30:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 05:30:02,472 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:02,473 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:02,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:30:02,473 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:02,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:02,473 INFO L85 PathProgramCache]: Analyzing trace with hash 95474309, now seen corresponding path program 1 times [2022-12-14 05:30:02,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:02,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982252712] [2022-12-14 05:30:02,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:02,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:02,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:02,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982252712] [2022-12-14 05:30:02,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982252712] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:30:02,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713068787] [2022-12-14 05:30:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:02,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:30:02,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:30:02,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:30:02,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:30:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:02,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 05:30:02,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:03,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:03,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713068787] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:03,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [865507992] [2022-12-14 05:30:03,815 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-12-14 05:30:03,815 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:30:03,817 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:30:03,821 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:30:03,822 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:30:07,026 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-12-14 05:30:07,031 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 31 for LOIs [2022-12-14 05:30:07,053 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:30:08,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [865507992] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:08,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:30:08,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9, 9, 11] total 39 [2022-12-14 05:30:08,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290339455] [2022-12-14 05:30:08,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:08,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-14 05:30:08,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:08,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-14 05:30:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=1351, Unknown=0, NotChecked=0, Total=1560 [2022-12-14 05:30:08,426 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:30:10,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:10,862 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2022-12-14 05:30:10,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-14 05:30:10,862 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-12-14 05:30:10,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:10,863 INFO L225 Difference]: With dead ends: 104 [2022-12-14 05:30:10,863 INFO L226 Difference]: Without dead ends: 102 [2022-12-14 05:30:10,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=337, Invalid=2315, Unknown=0, NotChecked=0, Total=2652 [2022-12-14 05:30:10,865 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 51 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:10,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 86 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 05:30:10,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-12-14 05:30:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 85. [2022-12-14 05:30:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 66 states have internal predecessors, (73), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-14 05:30:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2022-12-14 05:30:10,878 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 27 [2022-12-14 05:30:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:10,879 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2022-12-14 05:30:10,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:30:10,879 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-12-14 05:30:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 05:30:10,879 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:30:10,879 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:30:10,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:30:11,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:30:11,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:30:11,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:30:11,083 INFO L85 PathProgramCache]: Analyzing trace with hash -436577839, now seen corresponding path program 1 times [2022-12-14 05:30:11,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:30:11,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346341515] [2022-12-14 05:30:11,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:11,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:30:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:11,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:30:11,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346341515] [2022-12-14 05:30:11,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346341515] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:30:11,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617728243] [2022-12-14 05:30:11,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:30:11,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:30:11,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:30:11,283 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:30:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:30:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:30:11,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 05:30:11,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:30:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:11,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:30:11,936 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:30:11,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617728243] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:30:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [669729220] [2022-12-14 05:30:11,939 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-12-14 05:30:11,939 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:30:11,939 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:30:11,939 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:30:11,939 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:30:14,035 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2022-12-14 05:30:14,040 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 43 for LOIs [2022-12-14 05:30:14,072 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 24 for LOIs [2022-12-14 05:30:14,074 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:30:16,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [669729220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:30:16,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-12-14 05:30:16,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10, 9, 12] total 42 [2022-12-14 05:30:16,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219406493] [2022-12-14 05:30:16,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:30:16,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 05:30:16,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:30:16,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 05:30:16,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1510, Unknown=0, NotChecked=0, Total=1722 [2022-12-14 05:30:16,031 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:30:19,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:30:19,775 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2022-12-14 05:30:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-14 05:30:19,775 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2022-12-14 05:30:19,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:30:19,775 INFO L225 Difference]: With dead ends: 125 [2022-12-14 05:30:19,775 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:30:19,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 54 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=428, Invalid=3232, Unknown=0, NotChecked=0, Total=3660 [2022-12-14 05:30:19,778 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 44 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:30:19,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 98 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 05:30:19,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:30:19,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:30:19,779 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 05:30:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:30:19,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-12-14 05:30:19,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:30:19,779 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:30:19,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-14 05:30:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:30:19,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:30:19,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:30:19,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:30:19,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:30:19,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:30:23,182 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= ~head~0.offset 0)) (not (= |#NULL.base| 0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-12-14 05:30:23,183 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-12-14 05:30:23,183 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-12-14 05:30:23,183 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-12-14 05:30:23,183 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-12-14 05:30:23,183 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-12-14 05:30:23,183 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-12-14 05:30:23,183 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-12-14 05:30:23,183 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-12-14 05:30:23,183 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 456) the Hoare annotation is: true [2022-12-14 05:30:23,183 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-12-14 05:30:23,183 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-12-14 05:30:23,183 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 243 266) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-12-14 05:30:23,184 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 156) no Hoare annotation was computed. [2022-12-14 05:30:23,184 INFO L895 garLoopResultBuilder]: At program point L146(lines 146 159) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (<= ~systemActive~0 1))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (= |#NULL.base| 0))) (.cse6 (not (<= 0 |#StackHeapBarrier|))) (.cse7 (not (= ~head~0.base 0))) (.cse8 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |timeShift_getWaterLevel_#res#1| 2147483647) .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6 .cse7 .cse8))) [2022-12-14 05:30:23,184 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 138 162) the Hoare annotation is: (let ((.cse0 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| |timeShift_getWaterLevel_#res#1|)) (.cse1 (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0)) (.cse3 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 0)) (.cse2 (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (and (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~3#1|) .cse0 .cse1 .cse2 (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~3#1|) .cse3 .cse4 (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification4_spec__1_~tmp___0~0#1|)) (not (<= 0 |#StackHeapBarrier|)) (and .cse0 .cse1 (not .cse3) .cse2 (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) .cse4 (<= |timeShift_getWaterLevel_#res#1| 2147483647)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2022-12-14 05:30:23,184 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 243 266) no Hoare annotation was computed. [2022-12-14 05:30:23,184 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 892) no Hoare annotation was computed. [2022-12-14 05:30:23,185 INFO L895 garLoopResultBuilder]: At program point L225(lines 178 227) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~head~0.offset 0)) (.cse9 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~head~0.base 0)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse7 (= ~cleanupTimeShifts~0 4)) (.cse8 (= |#NULL.base| 0))) (or (and (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (let ((.cse0 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) .cse2 .cse3 (or (and .cse4 (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (<= ~systemActive~0 1)) (and .cse4 (= 0 ~systemActive~0))) .cse5 (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)) .cse6 .cse7 .cse8) (and .cse4 (not .cse0) .cse1 .cse9 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8))) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (let ((.cse10 (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) .cse4 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse1 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) .cse9 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse2 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse3 (= (select |#valid| 2) 1) .cse5 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse10 0) 48) (= (select |#valid| 6) 1) (= (select .cse10 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse6 .cse7 .cse8)))) [2022-12-14 05:30:23,185 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 194) no Hoare annotation was computed. [2022-12-14 05:30:23,185 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2022-12-14 05:30:23,185 INFO L902 garLoopResultBuilder]: At program point L231(lines 168 235) the Hoare annotation is: true [2022-12-14 05:30:23,185 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2022-12-14 05:30:23,186 INFO L895 garLoopResultBuilder]: At program point L198-1(lines 198 204) the Hoare annotation is: (let ((.cse15 (= |ULTIMATE.start_test_~tmp___0~1#1| 0))) (let ((.cse5 (= 1 ~systemActive~0)) (.cse13 (= ~waterLevel~0 1)) (.cse7 (<= ~methaneLevelCritical~0 0)) (.cse27 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse0 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse1 (= ~pumpRunning~0 0)) (.cse20 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648))) (.cse2 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse3 (= ~head~0.offset 0)) (.cse28 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse6 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse26 (not .cse15)) (.cse8 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse21 (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647)) (.cse10 (<= 0 ~methaneLevelCritical~0)) (.cse22 (<= ~waterLevel~0 2147483647)) (.cse11 (= ~head~0.base 0)) (.cse12 (= |#NULL.offset| 0)) (.cse25 (<= 0 |#StackHeapBarrier|)) (.cse16 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse24 (<= ~systemActive~0 1)) (.cse17 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (let ((.cse14 (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) .cse0 (= (select |#valid| 15) 1) .cse1 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) .cse2 (= (select |#valid| 11) 1) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse3 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse4 (= 30 (select |#length| 13)) .cse5 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse6 .cse7 .cse8 (= (select |#valid| 4) 1) .cse9 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse10 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse11 (= (select |#valid| 2) 1) .cse12 (= 9 (select |#length| 11)) .cse13 (= (select .cse14 0) 48) .cse15 (= (select |#valid| 6) 1) (= (select .cse14 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse16 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse17 .cse18 .cse19)) (and .cse0 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse20 .cse2 .cse4 .cse6 (<= 0 (+ ~waterLevel~0 2147483648)) .cse9 .cse21 .cse10 .cse22 (let ((.cse23 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and .cse23 .cse3 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) .cse8 .cse11 (or (and .cse1 (= |ULTIMATE.start_test_~tmp___1~0#1| 0) .cse24) (and .cse1 (= 0 ~systemActive~0))) .cse12 (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)) .cse17 .cse18 .cse19) (and .cse1 (not .cse23) .cse3 .cse5 .cse8 .cse11 .cse12 .cse17 .cse18 .cse19))) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) .cse25 .cse16) (and .cse0 .cse1 .cse20 .cse2 .cse3 .cse4 .cse6 .cse26 .cse8 .cse9 .cse21 .cse10 .cse11 .cse12 .cse13 .cse25 .cse16 .cse24 .cse17 .cse18 .cse19) (and .cse27 .cse0 .cse1 .cse2 .cse3 .cse28 .cse4 .cse6 .cse7 .cse8 .cse9 .cse10 .cse22 .cse11 .cse12 .cse15 .cse25 .cse16 .cse24 .cse17 .cse18 .cse19) (and .cse27 .cse0 .cse1 .cse20 .cse2 .cse3 .cse28 .cse4 .cse6 .cse26 .cse8 .cse9 .cse21 .cse10 .cse22 .cse11 .cse12 .cse25 .cse16 .cse24 .cse17 .cse18 .cse19)))) [2022-12-14 05:30:23,186 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:30:23,186 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~head~0.offset 0)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse3 (= ~head~0.base 0)) (.cse4 (= |#NULL.offset| 0)) (.cse10 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse6 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse11 (= ~cleanupTimeShifts~0 4)) (.cse12 (= |#NULL.base| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_valid_product_#res#1|) (let ((.cse1 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and .cse1 .cse2 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) .cse3 .cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)) (or (and .cse5 (= |ULTIMATE.start_test_~tmp___1~0#1| 0)) (and .cse5 (= 0 ~systemActive~0))) .cse6) (and .cse5 (not .cse1) .cse2 .cse7 .cse3 .cse4 .cse6))) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse8 .cse9 (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#StackHeapBarrier|) .cse10 (<= ~systemActive~0 1) .cse11 .cse12) (let ((.cse13 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) .cse0 (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse5 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse2 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) .cse7 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse8 (= (select |#valid| 4) 1) .cse9 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse3 (= (select |#valid| 2) 1) .cse4 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse13 0) 48) (= (select |#valid| 6) 1) (= (select .cse13 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse10 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse6 .cse11 .cse12)))) [2022-12-14 05:30:23,187 INFO L895 garLoopResultBuilder]: At program point L508(lines 508 515) 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)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 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) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-12-14 05:30:23,187 INFO L902 garLoopResultBuilder]: At program point L508-2(lines 508 515) the Hoare annotation is: true [2022-12-14 05:30:23,187 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 05:30:23,187 INFO L895 garLoopResultBuilder]: At program point L228(lines 177 229) the Hoare annotation is: false [2022-12-14 05:30:23,187 INFO L895 garLoopResultBuilder]: At program point L216-2(lines 208 223) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (.cse1 (= ~head~0.offset 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~head~0.base 0)) (.cse5 (= |#NULL.offset| 0)) (.cse6 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse7 (= ~cleanupTimeShifts~0 4)) (.cse8 (= |#NULL.base| 0))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) .cse2 .cse3 (or (and .cse4 (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (<= ~systemActive~0 1)) (and .cse4 (= 0 ~systemActive~0))) .cse5 (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)) .cse6 .cse7 .cse8) (and .cse4 (not .cse0) .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse5 .cse6 .cse7 .cse8))) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) [2022-12-14 05:30:23,187 INFO L899 garLoopResultBuilder]: For program point L179(lines 178 227) no Hoare annotation was computed. [2022-12-14 05:30:23,188 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (= ~head~0.offset 0)) (.cse12 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse16 (<= 0 ~methaneLevelCritical~0)) (.cse17 (<= ~waterLevel~0 2147483647)) (.cse18 (<= 0 |#StackHeapBarrier|)) (.cse20 (<= ~systemActive~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~1#1| 2147483648))) (.cse10 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse11 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (not (= |ULTIMATE.start_test_~tmp___0~1#1| 0))) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse14 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse15 (<= |ULTIMATE.start_test_~tmp___0~1#1| 2147483647)) (.cse6 (= ~head~0.base 0)) (.cse7 (= |#NULL.offset| 0)) (.cse19 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse8 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse21 (= ~cleanupTimeShifts~0 4)) (.cse22 (= |#NULL.base| 0))) (or (and .cse0 (let ((.cse2 (= |ULTIMATE.start_test_~tmp___2~0#1| 0))) (or (and .cse1 (not .cse2) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse2 .cse3 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) .cse5 .cse6 .cse7 (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)) (or (and .cse1 (= |ULTIMATE.start_test_~tmp___1~0#1| 0)) (and .cse1 (= 0 ~systemActive~0))) .cse8))) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse9 .cse10 .cse11 .cse12 (<= 0 (+ ~waterLevel~0 2147483648)) .cse13 .cse14 .cse15 .cse16 .cse17 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) .cse18 .cse19 .cse20 .cse21 .cse22) (and (not (= |ULTIMATE.start_test_~tmp~1#1| 0)) .cse0 .cse1 .cse9 .cse10 .cse3 (<= 2 ~waterLevel~0) .cse11 .cse12 .cse13 (<= ~methaneLevelCritical~0 0) .cse5 .cse14 .cse15 .cse16 .cse17 .cse6 .cse7 .cse18 .cse19 .cse20 .cse8 .cse21 .cse22) (let ((.cse23 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (<= ~head~0.offset 0) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse1 (= (select |#valid| 9) 1) .cse9 (= (select |#length| 12) 25) (<= 0 ~head~0.offset) .cse10 (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse11 (= 30 (select |#length| 13)) .cse4 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse13 .cse5 (= (select |#valid| 4) 1) .cse14 .cse15 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse6 (= (select |#valid| 2) 1) .cse7 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse23 0) 48) (= (select |#valid| 6) 1) (= (select .cse23 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse19 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse8 .cse21 .cse22)))) [2022-12-14 05:30:23,188 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-12-14 05:30:23,188 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-12-14 05:30:23,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 05:30:23,192 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:30:23,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:30:23 BoogieIcfgContainer [2022-12-14 05:30:23,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:30:23,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:30:23,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:30:23,220 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:30:23,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:30:01" (3/4) ... [2022-12-14 05:30:23,224 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:30:23,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-14 05:30:23,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-14 05:30:23,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-14 05:30:23,230 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-14 05:30:23,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-12-14 05:30:23,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-14 05:30:23,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 05:30:23,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:30:23,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:30:23,253 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]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 [2022-12-14 05:30:23,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((1 <= \result && tmp___2 <= 2147483647) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && tmp <= 1) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && (((((((((((tmp___2 == 0 && head == 0) && tmp___1 <= 2147483647) && splverifierCounter == 0) && head == 0) && (((pumpRunning == 0 && tmp___1 == 0) && systemActive <= 1) || (pumpRunning == 0 && 0 == systemActive))) && #NULL == 0) && 0 <= tmp___1 + 2147483648) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((pumpRunning == 0 && !(tmp___2 == 0)) && head == 0) && 1 == systemActive) && splverifierCounter == 0) && head == 0) && #NULL == 0) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0))) && 0 <= tmp___2 + 2147483648) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) || ((((((((((((((((((((((((((((((((((((((((((((((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]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-12-14 05:30:23,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-12-14 05:30:23,254 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) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 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) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp___0 == 0) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((1 <= \result && tmp___2 <= 2147483647) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && tmp <= 1) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && (((((((((((tmp___2 == 0 && head == 0) && tmp___1 <= 2147483647) && splverifierCounter == 0) && head == 0) && (((pumpRunning == 0 && tmp___1 == 0) && systemActive <= 1) || (pumpRunning == 0 && 0 == systemActive))) && #NULL == 0) && 0 <= tmp___1 + 2147483648) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((pumpRunning == 0 && !(tmp___2 == 0)) && head == 0) && 1 == systemActive) && splverifierCounter == 0) && head == 0) && #NULL == 0) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0))) && 0 <= tmp___2 + 2147483648) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647)) || ((((((((((((((((((((1 <= \result && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp___0 == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-12-14 05:30:23,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || ((((tmp == \result && retValue_acc == waterLevel) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-12-14 05:30:23,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((((pumpRunning == retValue_acc && tmp == \result) && retValue_acc == waterLevel) && retValue_acc == \result) && \result == retValue_acc) && tmp == 0) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((((tmp == \result && retValue_acc == waterLevel) && !(tmp == 0)) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-12-14 05:30:23,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:30:23,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:30:23,265 INFO L158 Benchmark]: Toolchain (without parser) took 22595.91ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 101.2MB in the beginning and 106.7MB in the end (delta: -5.5MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,266 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:30:23,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.76ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 83.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.29ms. Allocated memory is still 132.1MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,266 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,266 INFO L158 Benchmark]: RCFGBuilder took 370.64ms. Allocated memory is still 132.1MB. Free memory was 79.6MB in the beginning and 101.8MB in the end (delta: -22.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,267 INFO L158 Benchmark]: TraceAbstraction took 21774.01ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 101.0MB in the beginning and 110.9MB in the end (delta: -9.9MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,267 INFO L158 Benchmark]: Witness Printer took 44.97ms. Allocated memory is still 232.8MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:30:23,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.76ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 83.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.29ms. Allocated memory is still 132.1MB. Free memory was 83.1MB in the beginning and 81.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 132.1MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.64ms. Allocated memory is still 132.1MB. Free memory was 79.6MB in the beginning and 101.8MB in the end (delta: -22.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * TraceAbstraction took 21774.01ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 101.0MB in the beginning and 110.9MB in the end (delta: -9.9MB). Peak memory consumption was 138.6MB. Max. memory is 16.1GB. * Witness Printer took 44.97ms. Allocated memory is still 232.8MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 892]: 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 372 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 131 mSDtfsCounter, 979 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 113 SyntacticMatches, 8 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 27 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 107 PreInvPairs, 170 NumberOfFragments, 2430 HoareAnnotationTreeSize, 107 FomulaSimplifications, 952 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 21 FomulaSimplificationsInter, 9114 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 1636 SizeOfPredicates, 32 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 0/54 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: 5.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 60, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 73, TOOLS_POST_TIME: 1.1s, TOOLS_POST_CALL_APPLICATIONS: 35, TOOLS_POST_CALL_TIME: 2.6s, TOOLS_POST_RETURN_APPLICATIONS: 30, TOOLS_POST_RETURN_TIME: 1.3s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 138, TOOLS_QUANTIFIERELIM_TIME: 4.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.6s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 176, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 60, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 4.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 30, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, 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: 538, DAG_COMPRESSION_RETAINED_NODES: 151, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((((((1 <= \result && tmp___2 <= 2147483647) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && tmp <= 1) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && (((((((((((tmp___2 == 0 && head == 0) && tmp___1 <= 2147483647) && splverifierCounter == 0) && head == 0) && (((pumpRunning == 0 && tmp___1 == 0) && systemActive <= 1) || (pumpRunning == 0 && 0 == systemActive))) && #NULL == 0) && 0 <= tmp___1 + 2147483648) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((pumpRunning == 0 && !(tmp___2 == 0)) && head == 0) && 1 == systemActive) && splverifierCounter == 0) && head == 0) && #NULL == 0) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0))) && 0 <= tmp___2 + 2147483648) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) || ((((((((((((((((((((((((((((((((((((((((((((((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]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || ((((tmp == \result && retValue_acc == waterLevel) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 198]: 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) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 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) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp___0 == 0) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((1 <= \result && tmp___2 <= 2147483647) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && tmp <= 1) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && (((((((((((tmp___2 == 0 && head == 0) && tmp___1 <= 2147483647) && splverifierCounter == 0) && head == 0) && (((pumpRunning == 0 && tmp___1 == 0) && systemActive <= 1) || (pumpRunning == 0 && 0 == systemActive))) && #NULL == 0) && 0 <= tmp___1 + 2147483648) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((pumpRunning == 0 && !(tmp___2 == 0)) && head == 0) && 1 == systemActive) && splverifierCounter == 0) && head == 0) && #NULL == 0) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0))) && 0 <= tmp___2 + 2147483648) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647)) || ((((((((((((((((((((1 <= \result && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp___0 == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && tmp <= 1) && \result <= 1) && !(tmp___0 == 0)) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 <= 2147483647) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((((pumpRunning == retValue_acc && tmp == \result) && retValue_acc == waterLevel) && retValue_acc == \result) && \result == retValue_acc) && tmp == 0) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((((tmp == \result && retValue_acc == waterLevel) && !(tmp == 0)) && retValue_acc == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 508]: 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]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 05:30:23,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e87539d3-9b6d-42f1-baf6-8f2bbeed9965/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