./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI --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 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 --- 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-5e519f3 [2022-11-03 01:54:25,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:54:25,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:54:25,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:54:25,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:54:25,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:54:25,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:54:25,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:54:25,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:54:25,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:54:25,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:54:25,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:54:25,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:54:25,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:54:25,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:54:25,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:54:25,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:54:25,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:54:25,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:54:25,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:54:25,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:54:25,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:54:25,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:54:25,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:54:25,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:54:25,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:54:25,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:54:25,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:54:25,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:54:25,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:54:25,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:54:25,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:54:25,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:54:25,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:54:25,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:54:25,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:54:25,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:54:25,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:54:25,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:54:25,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:54:25,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:54:25,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:54:25,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:54:25,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:54:25,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:54:25,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:54:25,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:54:25,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:54:25,457 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:54:25,457 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:54:25,457 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:54:25,457 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:54:25,459 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:54:25,459 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:54:25,459 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:54:25,459 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:54:25,460 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:54:25,460 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:54:25,460 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:54:25,460 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:54:25,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:54:25,462 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:54:25,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:54:25,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:54:25,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:54:25,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:54:25,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:54:25,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:54:25,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:54:25,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:54:25,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:54:25,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:54:25,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:54:25,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:54:25,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:25,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:54:25,467 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:54:25,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:54:25,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:54:25,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:54:25,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:54:25,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:54:25,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:54:25,469 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_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 [2022-11-03 01:54:25,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:54:25,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:54:25,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:54:25,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:54:25,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:54:25,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2022-11-03 01:54:25,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/data/641de7518/20adfa16f1024710a929cecc3b18ef1f/FLAG82b01a12c [2022-11-03 01:54:26,427 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:54:26,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2022-11-03 01:54:26,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/data/641de7518/20adfa16f1024710a929cecc3b18ef1f/FLAG82b01a12c [2022-11-03 01:54:26,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/data/641de7518/20adfa16f1024710a929cecc3b18ef1f [2022-11-03 01:54:26,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:54:26,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:54:26,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:26,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:54:26,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:54:26,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:26" (1/1) ... [2022-11-03 01:54:26,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60de8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:26, skipping insertion in model container [2022-11-03 01:54:26,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:54:26" (1/1) ... [2022-11-03 01:54:26,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:54:26,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:54:27,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2022-11-03 01:54:27,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:27,076 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:54:27,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2022-11-03 01:54:27,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:54:27,223 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:54:27,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27 WrapperNode [2022-11-03 01:54:27,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:54:27,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:27,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:54:27,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:54:27,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,292 INFO L138 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 294 [2022-11-03 01:54:27,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:54:27,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:54:27,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:54:27,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:54:27,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,342 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:54:27,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:54:27,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:54:27,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:54:27,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (1/1) ... [2022-11-03 01:54:27,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:54:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:27,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:54:27,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:54:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:54:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 01:54:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 01:54:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 01:54:27,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 01:54:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 01:54:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 01:54:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:54:27,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:54:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 01:54:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 01:54:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 01:54:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 01:54:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 01:54:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 01:54:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-03 01:54:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-03 01:54:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 01:54:27,458 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 01:54:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:54:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 01:54:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 01:54:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:54:27,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:54:27,572 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:54:27,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:54:28,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:54:28,216 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:54:28,218 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:54:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:28 BoogieIcfgContainer [2022-11-03 01:54:28,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:54:28,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:54:28,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:54:28,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:54:28,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:54:26" (1/3) ... [2022-11-03 01:54:28,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a2708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:28, skipping insertion in model container [2022-11-03 01:54:28,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:54:27" (2/3) ... [2022-11-03 01:54:28,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a2708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:54:28, skipping insertion in model container [2022-11-03 01:54:28,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:28" (3/3) ... [2022-11-03 01:54:28,233 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2022-11-03 01:54:28,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:54:28,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:54:28,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:54:28,357 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;@324eee12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:54:28,359 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:54:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 45 states have (on average 1.4) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 01:54:28,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 01:54:28,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:28,378 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:28,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1173584673, now seen corresponding path program 1 times [2022-11-03 01:54:28,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:28,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292152565] [2022-11-03 01:54:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:28,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:28,653 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:28,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292152565] [2022-11-03 01:54:28,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292152565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:28,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:28,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:54:28,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783930554] [2022-11-03 01:54:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:28,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:54:28,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:54:28,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:54:28,696 INFO L87 Difference]: Start difference. First operand has 75 states, 45 states have (on average 1.4) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:54:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:28,830 INFO L93 Difference]: Finished difference Result 148 states and 199 transitions. [2022-11-03 01:54:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:54:28,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 01:54:28,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:28,848 INFO L225 Difference]: With dead ends: 148 [2022-11-03 01:54:28,849 INFO L226 Difference]: Without dead ends: 70 [2022-11-03 01:54:28,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:54:28,863 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:28,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:54:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-03 01:54:28,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-03 01:54:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 51 states have internal predecessors, (55), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-03 01:54:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 90 transitions. [2022-11-03 01:54:28,933 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 90 transitions. Word has length 21 [2022-11-03 01:54:28,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:28,935 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 90 transitions. [2022-11-03 01:54:28,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 01:54:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2022-11-03 01:54:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 01:54:28,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:28,943 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:28,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:54:28,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2132212611, now seen corresponding path program 1 times [2022-11-03 01:54:28,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:28,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187025304] [2022-11-03 01:54:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:29,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:29,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187025304] [2022-11-03 01:54:29,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187025304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:29,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:29,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:54:29,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628010156] [2022-11-03 01:54:29,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:29,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:54:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:54:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:54:29,230 INFO L87 Difference]: Start difference. First operand 70 states and 90 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:54:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:29,448 INFO L93 Difference]: Finished difference Result 138 states and 181 transitions. [2022-11-03 01:54:29,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:54:29,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-03 01:54:29,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:29,450 INFO L225 Difference]: With dead ends: 138 [2022-11-03 01:54:29,451 INFO L226 Difference]: Without dead ends: 70 [2022-11-03 01:54:29,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:29,454 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 84 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:29,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 99 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:29,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-03 01:54:29,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-03 01:54:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 51 states have internal predecessors, (54), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-03 01:54:29,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2022-11-03 01:54:29,512 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 24 [2022-11-03 01:54:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:29,519 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2022-11-03 01:54:29,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 01:54:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2022-11-03 01:54:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 01:54:29,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:29,530 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:29,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:54:29,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:29,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:29,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1135271315, now seen corresponding path program 1 times [2022-11-03 01:54:29,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:29,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636396088] [2022-11-03 01:54:29,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:29,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:29,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:29,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636396088] [2022-11-03 01:54:29,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636396088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:29,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:29,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972699658] [2022-11-03 01:54:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:29,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:29,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:29,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:29,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:29,646 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-03 01:54:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:29,715 INFO L93 Difference]: Finished difference Result 117 states and 149 transitions. [2022-11-03 01:54:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2022-11-03 01:54:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:29,717 INFO L225 Difference]: With dead ends: 117 [2022-11-03 01:54:29,722 INFO L226 Difference]: Without dead ends: 62 [2022-11-03 01:54:29,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:29,724 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 7 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:29,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 117 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:54:29,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-03 01:54:29,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-03 01:54:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 46 states have internal predecessors, (48), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 01:54:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-11-03 01:54:29,745 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 32 [2022-11-03 01:54:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:29,745 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-11-03 01:54:29,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-03 01:54:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-11-03 01:54:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-03 01:54:29,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:29,750 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:29,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:54:29,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:29,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:29,753 INFO L85 PathProgramCache]: Analyzing trace with hash 51749388, now seen corresponding path program 1 times [2022-11-03 01:54:29,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:29,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698044318] [2022-11-03 01:54:29,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:29,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:29,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:29,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698044318] [2022-11-03 01:54:29,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698044318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:29,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:29,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:29,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351357982] [2022-11-03 01:54:29,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:29,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:29,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:29,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:29,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:29,874 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 01:54:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:29,943 INFO L93 Difference]: Finished difference Result 165 states and 212 transitions. [2022-11-03 01:54:29,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:29,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2022-11-03 01:54:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:29,946 INFO L225 Difference]: With dead ends: 165 [2022-11-03 01:54:29,946 INFO L226 Difference]: Without dead ends: 105 [2022-11-03 01:54:29,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:29,948 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 48 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:29,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 123 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:54:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-03 01:54:29,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2022-11-03 01:54:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 73 states have internal predecessors, (81), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26) [2022-11-03 01:54:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2022-11-03 01:54:29,968 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 34 [2022-11-03 01:54:29,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:29,968 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2022-11-03 01:54:29,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 01:54:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2022-11-03 01:54:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-03 01:54:29,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:29,970 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:29,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:54:29,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:29,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:29,971 INFO L85 PathProgramCache]: Analyzing trace with hash 57208679, now seen corresponding path program 1 times [2022-11-03 01:54:29,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:29,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550301594] [2022-11-03 01:54:29,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:29,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 01:54:30,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:30,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550301594] [2022-11-03 01:54:30,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550301594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:30,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:30,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:54:30,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505400491] [2022-11-03 01:54:30,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:30,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:54:30,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:30,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:54:30,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:54:30,237 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 01:54:30,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:30,651 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2022-11-03 01:54:30,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 01:54:30,652 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2022-11-03 01:54:30,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:30,657 INFO L225 Difference]: With dead ends: 236 [2022-11-03 01:54:30,658 INFO L226 Difference]: Without dead ends: 135 [2022-11-03 01:54:30,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:54:30,665 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 74 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:30,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 270 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:54:30,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-11-03 01:54:30,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2022-11-03 01:54:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 80 states have (on average 1.225) internal successors, (98), 88 states have internal predecessors, (98), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-11-03 01:54:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 153 transitions. [2022-11-03 01:54:30,704 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 153 transitions. Word has length 40 [2022-11-03 01:54:30,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:30,704 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 153 transitions. [2022-11-03 01:54:30,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 01:54:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 153 transitions. [2022-11-03 01:54:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 01:54:30,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:30,707 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:30,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:54:30,708 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:30,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:30,708 INFO L85 PathProgramCache]: Analyzing trace with hash 129570517, now seen corresponding path program 1 times [2022-11-03 01:54:30,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:30,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301123247] [2022-11-03 01:54:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:30,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:31,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:31,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301123247] [2022-11-03 01:54:31,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301123247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:31,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:31,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 01:54:31,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861786391] [2022-11-03 01:54:31,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:31,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:54:31,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:31,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:54:31,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:54:31,116 INFO L87 Difference]: Start difference. First operand 125 states and 153 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 01:54:31,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:31,361 INFO L93 Difference]: Finished difference Result 322 states and 394 transitions. [2022-11-03 01:54:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:54:31,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) Word has length 41 [2022-11-03 01:54:31,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:31,364 INFO L225 Difference]: With dead ends: 322 [2022-11-03 01:54:31,364 INFO L226 Difference]: Without dead ends: 199 [2022-11-03 01:54:31,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:54:31,365 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 116 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:31,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 284 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:54:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2022-11-03 01:54:31,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2022-11-03 01:54:31,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 123 states have (on average 1.1951219512195121) internal successors, (147), 136 states have internal predecessors, (147), 37 states have call successors, (37), 31 states have call predecessors, (37), 34 states have return successors, (52), 36 states have call predecessors, (52), 37 states have call successors, (52) [2022-11-03 01:54:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 236 transitions. [2022-11-03 01:54:31,394 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 236 transitions. Word has length 41 [2022-11-03 01:54:31,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:31,395 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 236 transitions. [2022-11-03 01:54:31,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-03 01:54:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 236 transitions. [2022-11-03 01:54:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-03 01:54:31,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:31,396 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:31,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:54:31,397 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:31,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:31,397 INFO L85 PathProgramCache]: Analyzing trace with hash 291675182, now seen corresponding path program 1 times [2022-11-03 01:54:31,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:31,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084132416] [2022-11-03 01:54:31,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:54:31,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:31,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084132416] [2022-11-03 01:54:31,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084132416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:31,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:31,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:54:31,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732878260] [2022-11-03 01:54:31,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:31,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:54:31,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:31,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:54:31,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:54:31,813 INFO L87 Difference]: Start difference. First operand 195 states and 236 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 01:54:32,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:32,388 INFO L93 Difference]: Finished difference Result 467 states and 580 transitions. [2022-11-03 01:54:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:54:32,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 44 [2022-11-03 01:54:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:32,396 INFO L225 Difference]: With dead ends: 467 [2022-11-03 01:54:32,396 INFO L226 Difference]: Without dead ends: 327 [2022-11-03 01:54:32,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:54:32,400 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 253 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:32,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 240 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 01:54:32,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-11-03 01:54:32,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 285. [2022-11-03 01:54:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 184 states have (on average 1.201086956521739) internal successors, (221), 202 states have internal predecessors, (221), 52 states have call successors, (52), 39 states have call predecessors, (52), 48 states have return successors, (75), 55 states have call predecessors, (75), 52 states have call successors, (75) [2022-11-03 01:54:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2022-11-03 01:54:32,464 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 44 [2022-11-03 01:54:32,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:32,465 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2022-11-03 01:54:32,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-03 01:54:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2022-11-03 01:54:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 01:54:32,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:32,480 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:32,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:54:32,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:32,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1370984714, now seen corresponding path program 1 times [2022-11-03 01:54:32,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:32,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126353372] [2022-11-03 01:54:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:32,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:54:33,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:33,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126353372] [2022-11-03 01:54:33,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126353372] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:54:33,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488836348] [2022-11-03 01:54:33,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:33,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:54:33,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:54:33,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:54:33,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:54:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:33,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-03 01:54:33,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:54:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:54:33,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:54:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 01:54:33,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488836348] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:54:33,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [787560301] [2022-11-03 01:54:33,674 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-03 01:54:33,674 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:54:33,678 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:54:33,683 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:54:33,684 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:54:45,479 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 320 for LOIs [2022-11-03 01:54:45,577 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 52 for LOIs [2022-11-03 01:54:46,164 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 25 for LOIs [2022-11-03 01:54:46,166 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 28 for LOIs [2022-11-03 01:54:46,229 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-03 01:54:46,378 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 28 for LOIs [2022-11-03 01:54:46,380 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:55:03,808 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4453#(and (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| |timeShift_getWaterLevel_#res#1|) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2)) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|) (= |old(~switchedOnBeforeTS~0)| 0))' at error location [2022-11-03 01:55:03,808 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:55:03,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:55:03,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 21 [2022-11-03 01:55:03,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889824819] [2022-11-03 01:55:03,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:55:03,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-03 01:55:03,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:03,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-03 01:55:03,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2473, Unknown=0, NotChecked=0, Total=2756 [2022-11-03 01:55:03,812 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand has 21 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-11-03 01:55:09,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:09,235 INFO L93 Difference]: Finished difference Result 1319 states and 1869 transitions. [2022-11-03 01:55:09,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-11-03 01:55:09,236 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 78 [2022-11-03 01:55:09,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:09,242 INFO L225 Difference]: With dead ends: 1319 [2022-11-03 01:55:09,243 INFO L226 Difference]: Without dead ends: 1036 [2022-11-03 01:55:09,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 225 SyntacticMatches, 11 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7596 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=1574, Invalid=18448, Unknown=0, NotChecked=0, Total=20022 [2022-11-03 01:55:09,250 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1048 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 1186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 4588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1186 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:09,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1059 Valid, 1366 Invalid, 4588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1186 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 01:55:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2022-11-03 01:55:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 720. [2022-11-03 01:55:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 469 states have (on average 1.1961620469083156) internal successors, (561), 503 states have internal predecessors, (561), 128 states have call successors, (128), 107 states have call predecessors, (128), 122 states have return successors, (224), 128 states have call predecessors, (224), 128 states have call successors, (224) [2022-11-03 01:55:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 913 transitions. [2022-11-03 01:55:09,343 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 913 transitions. Word has length 78 [2022-11-03 01:55:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:09,343 INFO L495 AbstractCegarLoop]: Abstraction has 720 states and 913 transitions. [2022-11-03 01:55:09,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 7 states have call successors, (21), 5 states have call predecessors, (21), 7 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-11-03 01:55:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 913 transitions. [2022-11-03 01:55:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 01:55:09,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:09,346 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:09,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:09,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 01:55:09,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:09,563 INFO L85 PathProgramCache]: Analyzing trace with hash -926061739, now seen corresponding path program 1 times [2022-11-03 01:55:09,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:09,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76571603] [2022-11-03 01:55:09,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:09,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-03 01:55:09,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:09,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76571603] [2022-11-03 01:55:09,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76571603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:09,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330190528] [2022-11-03 01:55:09,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:09,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:09,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:09,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:09,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:55:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:09,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 01:55:09,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 01:55:09,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-03 01:55:10,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330190528] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:55:10,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [814515706] [2022-11-03 01:55:10,026 INFO L159 IcfgInterpreter]: Started Sifa with 54 locations of interest [2022-11-03 01:55:10,026 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:55:10,027 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:55:10,028 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:55:10,028 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:55:14,787 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-03 01:55:14,795 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2022-11-03 01:55:15,280 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 01:55:15,288 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 34 for LOIs [2022-11-03 01:55:15,419 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 69 for LOIs [2022-11-03 01:55:16,012 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 60 for LOIs [2022-11-03 01:55:16,023 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 40 for LOIs [2022-11-03 01:55:16,027 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:55:24,125 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8282#(and (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483647) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| |timeShift_getWaterLevel_#res#1|) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483648)) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= 0 ~head~0.base) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2)) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 01:55:24,125 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:55:24,125 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:55:24,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2022-11-03 01:55:24,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409455516] [2022-11-03 01:55:24,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:55:24,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 01:55:24,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:24,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 01:55:24,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=2087, Unknown=0, NotChecked=0, Total=2352 [2022-11-03 01:55:24,128 INFO L87 Difference]: Start difference. First operand 720 states and 913 transitions. Second operand has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 01:55:24,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:24,772 INFO L93 Difference]: Finished difference Result 1427 states and 1848 transitions. [2022-11-03 01:55:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 01:55:24,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 82 [2022-11-03 01:55:24,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:24,778 INFO L225 Difference]: With dead ends: 1427 [2022-11-03 01:55:24,779 INFO L226 Difference]: Without dead ends: 881 [2022-11-03 01:55:24,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 198 SyntacticMatches, 9 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1471 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=353, Invalid=3187, Unknown=0, NotChecked=0, Total=3540 [2022-11-03 01:55:24,783 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 132 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:24,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 447 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:55:24,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-11-03 01:55:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 782. [2022-11-03 01:55:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 507 states have (on average 1.1538461538461537) internal successors, (585), 547 states have internal predecessors, (585), 142 states have call successors, (142), 121 states have call predecessors, (142), 132 states have return successors, (230), 137 states have call predecessors, (230), 142 states have call successors, (230) [2022-11-03 01:55:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 957 transitions. [2022-11-03 01:55:24,901 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 957 transitions. Word has length 82 [2022-11-03 01:55:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:24,901 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 957 transitions. [2022-11-03 01:55:24,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 01:55:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 957 transitions. [2022-11-03 01:55:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 01:55:24,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:24,905 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:55:24,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:25,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 01:55:25,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:25,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:25,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1922767639, now seen corresponding path program 1 times [2022-11-03 01:55:25,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:25,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990178892] [2022-11-03 01:55:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-03 01:55:25,607 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:25,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990178892] [2022-11-03 01:55:25,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990178892] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:55:25,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174663067] [2022-11-03 01:55:25,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:55:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:55:25,609 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:55:25,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:55:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:25,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 01:55:25,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:55:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 66 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 01:55:26,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:55:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 53 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-03 01:55:26,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174663067] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:55:26,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1885819130] [2022-11-03 01:55:26,885 INFO L159 IcfgInterpreter]: Started Sifa with 51 locations of interest [2022-11-03 01:55:26,885 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:55:26,885 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:55:26,886 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:55:26,886 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:55:36,602 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 324 for LOIs [2022-11-03 01:55:36,671 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2022-11-03 01:55:36,984 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 47 for LOIs [2022-11-03 01:55:36,991 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2022-11-03 01:55:37,036 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-03 01:55:37,136 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 57 for LOIs [2022-11-03 01:55:37,146 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:55:51,199 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12377#(and (<= 0 |old(~pumpRunning~0)|) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| |timeShift_getWaterLevel_#res#1|) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= |old(~pumpRunning~0)| 0) (<= 2 |old(~waterLevel~0)|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2)) (<= 0 |#NULL.offset|) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|))' at error location [2022-11-03 01:55:51,200 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:55:51,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:55:51,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2022-11-03 01:55:51,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034197926] [2022-11-03 01:55:51,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:55:51,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-03 01:55:51,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:51,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-03 01:55:51,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=3607, Unknown=0, NotChecked=0, Total=4032 [2022-11-03 01:55:51,204 INFO L87 Difference]: Start difference. First operand 782 states and 957 transitions. Second operand has 29 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 16 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (39), 18 states have call predecessors, (39), 15 states have call successors, (39) [2022-11-03 01:55:58,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:55:58,418 INFO L93 Difference]: Finished difference Result 1961 states and 2542 transitions. [2022-11-03 01:55:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-11-03 01:55:58,419 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 16 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (39), 18 states have call predecessors, (39), 15 states have call successors, (39) Word has length 110 [2022-11-03 01:55:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:55:58,420 INFO L225 Difference]: With dead ends: 1961 [2022-11-03 01:55:58,420 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:55:58,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 324 SyntacticMatches, 7 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10636 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=2956, Invalid=25100, Unknown=0, NotChecked=0, Total=28056 [2022-11-03 01:55:58,433 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 1581 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 1717 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 4790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1717 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:55:58,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 632 Invalid, 4790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1717 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 01:55:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:55:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:55:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 01:55:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:55:58,434 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-03 01:55:58,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:58,435 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:55:58,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 27 states have (on average 5.888888888888889) internal successors, (159), 27 states have internal predecessors, (159), 16 states have call successors, (40), 6 states have call predecessors, (40), 11 states have return successors, (39), 18 states have call predecessors, (39), 15 states have call successors, (39) [2022-11-03 01:55:58,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:55:58,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:55:58,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:55:58,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:55:58,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 01:55:58,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:56:14,134 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 270 277) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (= 0 ~systemActive~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~switchedOnBeforeTS~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2022-11-03 01:56:14,134 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2022-11-03 01:56:14,135 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2022-11-03 01:56:14,135 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2022-11-03 01:56:14,135 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2))) [2022-11-03 01:56:14,135 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2022-11-03 01:56:14,136 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 01:56:14,136 INFO L895 garLoopResultBuilder]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-03 01:56:14,136 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-03 01:56:14,136 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 218) no Hoare annotation was computed. [2022-11-03 01:56:14,136 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 210) no Hoare annotation was computed. [2022-11-03 01:56:14,137 INFO L895 garLoopResultBuilder]: At program point L198(lines 198 215) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 01:56:14,137 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 289 297) no Hoare annotation was computed. [2022-11-03 01:56:14,137 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 289 297) the Hoare annotation is: true [2022-11-03 01:56:14,137 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 400 411) the Hoare annotation is: (let ((.cse4 (= |old(~methaneLevelCritical~0)| 0)) (.cse0 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (and (not .cse4) (not .cse0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse2 (not (<= 2 ~waterLevel~0)) (not .cse1) (not (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3)))) [2022-11-03 01:56:14,138 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 400 411) no Hoare annotation was computed. [2022-11-03 01:56:14,138 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 941 970) no Hoare annotation was computed. [2022-11-03 01:56:14,138 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 941 970) the Hoare annotation is: true [2022-11-03 01:56:14,138 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2022-11-03 01:56:14,138 INFO L902 garLoopResultBuilder]: At program point L955-1(lines 955 959) the Hoare annotation is: true [2022-11-03 01:56:14,138 INFO L902 garLoopResultBuilder]: At program point L951-2(lines 951 965) the Hoare annotation is: true [2022-11-03 01:56:14,139 INFO L902 garLoopResultBuilder]: At program point L947(line 947) the Hoare annotation is: true [2022-11-03 01:56:14,139 INFO L899 garLoopResultBuilder]: For program point L947-1(line 947) no Hoare annotation was computed. [2022-11-03 01:56:14,139 INFO L902 garLoopResultBuilder]: At program point L966(lines 941 970) the Hoare annotation is: true [2022-11-03 01:56:14,139 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2022-11-03 01:56:14,148 INFO L895 garLoopResultBuilder]: At program point L147-1(lines 147 153) the Hoare annotation is: (let ((.cse15 (< 0 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and (not .cse15) .cse9)) (.cse13 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse15))) (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse5 (or .cse12 .cse13)) (.cse14 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= ~switchedOnBeforeTS~0 0))) (.cse6 (and .cse0 .cse7 .cse4 .cse5 .cse14)) (.cse8 (or (not .cse7) (= ~pumpRunning~0 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= 0 ~systemActive~0)) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse2 (or .cse9 (= ~waterLevel~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse5 .cse2) .cse6 (and .cse7 .cse8 .cse9) .cse10 .cse11 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse12 (not (= |old(~pumpRunning~0)| 1)) .cse13 (not (= |old(~waterLevel~0)| 2)) .cse10) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse4 .cse5) .cse6 .cse10 .cse11 (= |old(~switchedOnBeforeTS~0)| 0)) (or (and (= 2 ~waterLevel~0) .cse8 .cse9) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse9 .cse14) .cse10 .cse11)))))) [2022-11-03 01:56:14,148 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (and .cse5 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse6 (< 0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse4 (and .cse0 (not (= |old(~waterLevel~0)| 2)))) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 .cse2) (or .cse3 .cse4 (and .cse5 .cse6 .cse7 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8) .cse1 (not (<= |old(~waterLevel~0)| 0))) (or .cse9 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse9 .cse4 .cse1)))) [2022-11-03 01:56:14,148 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0) (let ((.cse3 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse3) (= |old(~waterLevel~0)| ~waterLevel~0)) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3))) (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-03 01:56:14,149 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 0) (or (and .cse3 .cse4) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse5) .cse0) (or (and .cse2 .cse3 .cse4 .cse5) .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-03 01:56:14,149 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2022-11-03 01:56:14,149 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse2 (and .cse10 .cse5)) (.cse7 (and .cse1 .cse9)) (.cse4 (not .cse10)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (not (= ~switchedOnBeforeTS~0 0)) .cse4 .cse3 (not (<= |old(~waterLevel~0)| 2)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 .cse5 .cse3 .cse6) (or .cse7 .cse5 .cse3) (or .cse0 .cse2 .cse7 .cse3 (not (<= |old(~waterLevel~0)| 0))) (or .cse8 .cse4 (and (= ~pumpRunning~0 0) .cse9) .cse3) (or .cse0 .cse8 .cse3 .cse6)))) [2022-11-03 01:56:14,150 INFO L895 garLoopResultBuilder]: At program point L858-1(line 858) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret51#1|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not .cse1))) (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse0 (and .cse5 .cse6 .cse7 .cse9))) (and (or .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse8 (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse3 (not .cse4) .cse0 .cse1))))) [2022-11-03 01:56:14,150 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (not .cse1) (and .cse2 .cse3 .cse4) .cse5) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1 .cse5) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse3 .cse4) .cse5 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-03 01:56:14,150 INFO L895 garLoopResultBuilder]: At program point L239-1(lines 220 244) the Hoare annotation is: (let ((.cse15 (< 0 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and (not .cse15) .cse9)) (.cse13 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse15))) (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse5 (or .cse12 .cse13)) (.cse14 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= ~switchedOnBeforeTS~0 0))) (.cse6 (and .cse0 .cse7 .cse4 .cse5 .cse14)) (.cse8 (or (not .cse7) (= ~pumpRunning~0 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= 0 ~systemActive~0)) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse2 (or .cse9 (= ~waterLevel~0 1)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse5 .cse2) .cse6 (and .cse7 .cse8 .cse9) .cse10 .cse11 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse12 (not (= |old(~pumpRunning~0)| 1)) .cse13 (not (= |old(~waterLevel~0)| 2)) .cse10) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse4 .cse5) .cse6 .cse10 .cse11 (= |old(~switchedOnBeforeTS~0)| 0)) (or (and (= 2 ~waterLevel~0) .cse8 .cse9) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse9 .cse14) .cse10 .cse11)))))) [2022-11-03 01:56:14,150 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 885) no Hoare annotation was computed. [2022-11-03 01:56:14,151 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 136 158) no Hoare annotation was computed. [2022-11-03 01:56:14,151 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 888) no Hoare annotation was computed. [2022-11-03 01:56:14,151 INFO L895 garLoopResultBuilder]: At program point L871-1(lines 863 891) the Hoare annotation is: (let ((.cse17 (< 0 |old(~waterLevel~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse15 (and (not .cse17) .cse11)) (.cse16 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse17))) (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (.cse3 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse5 (or .cse15 .cse16)) (.cse8 (= 0 ~systemActive~0))) (let ((.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not .cse8)) (.cse0 (and (not (= ~switchedOnBeforeTS~0 0)) .cse12 .cse13 .cse3 .cse4 .cse5)) (.cse10 (or (not .cse2) (= ~pumpRunning~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 (= |old(~switchedOnBeforeTS~0)| 0)) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse10 (<= 2 ~waterLevel~0) .cse4 .cse11) (and (= 2 ~waterLevel~0) .cse4 .cse11 .cse6) (and .cse1 .cse12 .cse13 .cse4 .cse11 .cse6) .cse8 .cse9) (or (and .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse6 .cse7) .cse0 (and .cse2 .cse10 .cse4 .cse11) (and .cse1 .cse12) .cse8 .cse9 .cse14) (or .cse15 (not (= |old(~pumpRunning~0)| 1)) .cse16 .cse8 .cse9 .cse14)))))) [2022-11-03 01:56:14,151 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2022-11-03 01:56:14,152 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2022-11-03 01:56:14,152 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 241) no Hoare annotation was computed. [2022-11-03 01:56:14,152 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 133 159) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse2 (and .cse10 .cse5)) (.cse7 (and .cse1 .cse9)) (.cse4 (not .cse10)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (not (= ~switchedOnBeforeTS~0 0)) .cse4 .cse3 (not (<= |old(~waterLevel~0)| 2)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 .cse5 .cse3 .cse6) (or .cse7 .cse5 .cse3) (or .cse0 .cse2 .cse7 .cse3 (not (<= |old(~waterLevel~0)| 0))) (or .cse8 .cse4 (and (= ~pumpRunning~0 0) .cse9) .cse3) (or .cse0 .cse8 .cse3 .cse6)))) [2022-11-03 01:56:14,152 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 133 159) no Hoare annotation was computed. [2022-11-03 01:56:14,153 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse10 (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0)) (.cse2 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse11 (let ((.cse12 (< 0 |old(~waterLevel~0)|))) (or (and (not .cse12) .cse3) (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12)))) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse9)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0) .cse10 .cse2 .cse11 .cse4)) (.cse7 (and (not (= ~switchedOnBeforeTS~0 0)) .cse1 (<= ~waterLevel~0 1) .cse10 .cse2 .cse11 (not .cse5)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse8 .cse5) (or .cse0 .cse8 .cse5) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse6 .cse7 .cse9 .cse5 (not (<= |old(~waterLevel~0)| 2))))))) [2022-11-03 01:56:14,153 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2022-11-03 01:56:14,153 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-03 01:56:14,153 INFO L895 garLoopResultBuilder]: At program point L935(line 935) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= |old(~waterLevel~0)| 2))) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0) (or (not (= |old(~waterLevel~0)| 2)) .cse0))) [2022-11-03 01:56:14,154 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-11-03 01:56:14,154 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-11-03 01:56:14,154 INFO L895 garLoopResultBuilder]: At program point L1023(lines 1023 1030) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~11#1| 1) (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0) (= ~waterLevel~0 1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2022-11-03 01:56:14,154 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:56:14,155 INFO L902 garLoopResultBuilder]: At program point L1023-2(lines 1023 1030) the Hoare annotation is: true [2022-11-03 01:56:14,155 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (or .cse5 (= ~methaneLevelCritical~0 0))) (.cse0 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse4)))) [2022-11-03 01:56:14,155 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse5 (= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (or .cse6 (= ~methaneLevelCritical~0 0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4 (= ~pumpRunning~0 1)) (and .cse6 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3 .cse4)))) [2022-11-03 01:56:14,155 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-11-03 01:56:14,155 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-03 01:56:14,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:56:14,156 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2022-11-03 01:56:14,156 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-03 01:56:14,158 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-03 01:56:14,158 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-11-03 01:56:14,158 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse5 (= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (or .cse6 (= ~methaneLevelCritical~0 0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4 (= ~pumpRunning~0 1)) (and .cse6 .cse5 .cse0 .cse1 .cse2) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 0) .cse3 .cse4)))) [2022-11-03 01:56:14,159 INFO L895 garLoopResultBuilder]: At program point L258-1(line 258) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse2) (or .cse3 (not (<= ~waterLevel~0 1)) .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_#t~ret11#1|)) .cse0 .cse1 .cse2))) [2022-11-03 01:56:14,159 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 168 192) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 01:56:14,160 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) (not (<= ~waterLevel~0 2)) .cse0 (= ~switchedOnBeforeTS~0 0) .cse1) (or .cse2 (not (<= ~waterLevel~0 1)) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0) .cse3) .cse0 .cse1) (or .cse2 (not (= 2 ~waterLevel~0)) .cse0 .cse3 .cse1))) [2022-11-03 01:56:14,160 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2022-11-03 01:56:14,160 INFO L895 garLoopResultBuilder]: At program point L172(lines 172 189) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 01:56:14,161 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 168 192) no Hoare annotation was computed. [2022-11-03 01:56:14,161 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-03 01:56:14,161 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2022-11-03 01:56:14,161 INFO L895 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= 2 ~waterLevel~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2))) [2022-11-03 01:56:14,162 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 388 399) no Hoare annotation was computed. [2022-11-03 01:56:14,162 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 388 399) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0)))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and .cse4 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2)))) [2022-11-03 01:56:14,162 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 278 288) the Hoare annotation is: true [2022-11-03 01:56:14,162 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 278 288) no Hoare annotation was computed. [2022-11-03 01:56:14,165 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:14,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:56:14,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:56:14 BoogieIcfgContainer [2022-11-03 01:56:14,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:56:14,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:56:14,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:56:14,242 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:56:14,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:54:28" (3/4) ... [2022-11-03 01:56:14,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:56:14,251 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 01:56:14,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 01:56:14,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 01:56:14,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 01:56:14,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 01:56:14,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:56:14,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 01:56:14,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-03 01:56:14,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 01:56:14,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-03 01:56:14,260 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2022-11-03 01:56:14,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 01:56:14,261 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 01:56:14,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 01:56:14,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:56:14,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:56:14,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:56:14,287 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && tmp == 1) && tmp == systemActive) && waterLevel == 1) && (pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0)) && pumpRunning == switchedOnBeforeTS [2022-11-03 01:56:14,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || \old(switchedOnBeforeTS) == 0)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) [2022-11-03 01:56:14,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-03 01:56:14,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) && (((((!(\old(pumpRunning) == 0) || ((((!(methaneLevelCritical == 0) || pumpRunning == 1) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((2 == waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || (((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) [2022-11-03 01:56:14,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || 0 == systemActive)) && (!(\old(waterLevel) == 2) || 0 == systemActive) [2022-11-03 01:56:14,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-03 01:56:14,294 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 01:56:14,295 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 01:56:14,296 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && methaneLevelCritical == aux-isMethaneAlarm()-aux)) || !(waterLevel <= 2)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 01:56:14,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:56:14,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:56:14,343 INFO L158 Benchmark]: Toolchain (without parser) took 107641.34ms. Allocated memory was 104.9MB in the beginning and 685.8MB in the end (delta: 580.9MB). Free memory was 60.4MB in the beginning and 594.3MB in the end (delta: -533.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,344 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:56:14,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.78ms. Allocated memory is still 104.9MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.13ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,345 INFO L158 Benchmark]: Boogie Preprocessor took 52.93ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,345 INFO L158 Benchmark]: RCFGBuilder took 874.10ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 65.4MB in the beginning and 108.0MB in the end (delta: -42.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,346 INFO L158 Benchmark]: TraceAbstraction took 106015.25ms. Allocated memory was 136.3MB in the beginning and 685.8MB in the end (delta: 549.5MB). Free memory was 107.3MB in the beginning and 600.6MB in the end (delta: -493.3MB). Peak memory consumption was 426.8MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,346 INFO L158 Benchmark]: Witness Printer took 101.34ms. Allocated memory is still 685.8MB. Free memory was 600.6MB in the beginning and 594.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:56:14,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.78ms. Allocated memory is still 104.9MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.13ms. Allocated memory is still 104.9MB. Free memory was 70.0MB in the beginning and 67.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.93ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.10ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 65.4MB in the beginning and 108.0MB in the end (delta: -42.6MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 106015.25ms. Allocated memory was 136.3MB in the beginning and 685.8MB in the end (delta: 549.5MB). Free memory was 107.3MB in the beginning and 600.6MB in the end (delta: -493.3MB). Peak memory consumption was 426.8MB. Max. memory is 16.1GB. * Witness Printer took 101.34ms. Allocated memory is still 685.8MB. Free memory was 600.6MB in the beginning and 594.3MB in the end (delta: 6.3MB). 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: 935]: 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 11 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 105.8s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3377 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3343 mSDsluCounter, 3656 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3353 mSDsCounter, 3199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7809 IncrementalHoareTripleChecker+Invalid, 11008 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3199 mSolverCounterUnsat, 914 mSDtfsCounter, 7809 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1199 GetRequests, 771 SyntacticMatches, 27 SemanticMatches, 401 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19761 ImplicationChecksByTransitivity, 47.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=782occurred in iteration=9, InterpolantAutomatonStates: 269, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 473 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 2475 PreInvPairs, 3088 NumberOfFragments, 2737 HoareAnnotationTreeSize, 2475 FomulaSimplifications, 17308 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 84379 FormulaSimplificationTreeSizeReductionInter, 13.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1030 ConstructedInterpolants, 0 QuantifiedInterpolants, 2785 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1599 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 424/482 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1023]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || \old(switchedOnBeforeTS) == 0)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0) && (((((!(\old(pumpRunning) == 0) || ((((!(methaneLevelCritical == 0) || pumpRunning == 1) && 2 <= waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((2 == waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) || (((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp___0 == 0) && tmp == methaneLevelCritical) && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || (((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && tmp == systemActive) && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && (pumpRunning == 0 || methaneLevelCritical == 0)) || (((((2 == waterLevel && tmp == 1) && tmp == systemActive) && splverifierCounter == 0) && (pumpRunning == 0 || methaneLevelCritical == 0)) && pumpRunning == 1)) || ((((pumpRunning == 0 && 2 == waterLevel) && tmp == 1) && tmp == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && tmp == 1) && waterLevel <= 1) && tmp == systemActive) && splverifierCounter == 0)) || (((((tmp == 1 && tmp == systemActive) && splverifierCounter == 0) && waterLevel <= 0) && pumpRunning == switchedOnBeforeTS) && (pumpRunning == 0 || methaneLevelCritical == 0)) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1023]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && tmp == 1) && tmp == systemActive) && waterLevel == 1) && (pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0)) && pumpRunning == switchedOnBeforeTS - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || 0 == systemActive)) && (!(\old(waterLevel) == 2) || 0 == systemActive) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (\old(waterLevel) == waterLevel || waterLevel == 1)) || ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && (\old(waterLevel) == waterLevel || waterLevel == 1))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || ((methaneLevelCritical == 0 && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) && (((((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 1)) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel))))) || ((((pumpRunning == \old(pumpRunning) && methaneLevelCritical == 0) && tmp == methaneLevelCritical) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || \old(switchedOnBeforeTS) == 0)) && ((((((2 == waterLevel && (!(methaneLevelCritical == 0) || pumpRunning == 1)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || !(waterLevel <= 2)) || 0 == systemActive) || switchedOnBeforeTS == 0) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && methaneLevelCritical == aux-isMethaneAlarm()-aux)) || !(waterLevel <= 2)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) RESULT: Ultimate proved your program to be correct! [2022-11-03 01:56:14,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf98576-dab6-49ee-a9e9-56c57168d0a2/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE