./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V --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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:38:54,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:38:54,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:38:54,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:38:54,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:38:54,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:38:54,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:38:54,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:38:54,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:38:54,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:38:54,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:38:54,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:38:54,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:38:54,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:38:54,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:38:54,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:38:54,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:38:54,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:38:54,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:38:54,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:38:54,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:38:54,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:38:54,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:38:54,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:38:54,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:38:54,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:38:54,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:38:54,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:38:54,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:38:54,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:38:54,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:38:54,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:38:54,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:38:54,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:38:54,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:38:54,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:38:54,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:38:54,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:38:54,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:38:54,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:38:54,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:38:54,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:38:54,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:38:54,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:38:54,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:38:54,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:38:54,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:38:54,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:38:54,498 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:38:54,498 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:38:54,498 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:38:54,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:38:54,499 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:38:54,499 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:38:54,499 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:38:54,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:38:54,500 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:38:54,500 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:38:54,500 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:38:54,501 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:38:54,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:38:54,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:38:54,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:38:54,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:38:54,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:38:54,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:38:54,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:38:54,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:38:54,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:38:54,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:38:54,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:38:54,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:38:54,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:38:54,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:38:54,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:54,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:38:54,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:38:54,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:38:54,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:38:54,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:38:54,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:38:54,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:38:54,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:38:54,507 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2021-11-23 03:38:54,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:38:54,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:38:54,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:38:54,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:38:54,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:38:54,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-11-23 03:38:54,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/data/b777930b9/ee293d221bba44f8a24d45f7a1c28bc0/FLAG7976839fa [2021-11-23 03:38:55,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:38:55,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-11-23 03:38:55,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/data/b777930b9/ee293d221bba44f8a24d45f7a1c28bc0/FLAG7976839fa [2021-11-23 03:38:55,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/data/b777930b9/ee293d221bba44f8a24d45f7a1c28bc0 [2021-11-23 03:38:55,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:38:55,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:38:55,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:55,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:38:55,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:38:55,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:55" (1/1) ... [2021-11-23 03:38:55,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b1c9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:55, skipping insertion in model container [2021-11-23 03:38:55,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:55" (1/1) ... [2021-11-23 03:38:55,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:38:55,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:38:56,114 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_8abf4996-f726-4e2b-a70d-cd62c856b7ce/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-11-23 03:38:56,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:56,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:38:56,237 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_8abf4996-f726-4e2b-a70d-cd62c856b7ce/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-11-23 03:38:56,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:38:56,308 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:38:56,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56 WrapperNode [2021-11-23 03:38:56,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:38:56,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:56,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:38:56,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:38:56,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,400 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 221 [2021-11-23 03:38:56,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:38:56,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:38:56,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:38:56,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:38:56,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:38:56,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:38:56,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:38:56,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:38:56,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 03:38:56,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:38:56,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:38:56,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:38:56,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:38:56,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:38:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 03:38:56,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 03:38:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 03:38:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 03:38:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 03:38:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 03:38:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 03:38:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 03:38:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 03:38:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 03:38:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 03:38:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 03:38:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:38:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 03:38:56,545 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 03:38:56,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:38:56,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:38:56,619 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:38:56,620 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:38:56,942 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:38:57,013 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:38:57,014 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 03:38:57,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:57 BoogieIcfgContainer [2021-11-23 03:38:57,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:38:57,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:38:57,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:38:57,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:38:57,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:38:55" (1/3) ... [2021-11-23 03:38:57,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d94c3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:57, skipping insertion in model container [2021-11-23 03:38:57,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (2/3) ... [2021-11-23 03:38:57,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d94c3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:38:57, skipping insertion in model container [2021-11-23 03:38:57,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:57" (3/3) ... [2021-11-23 03:38:57,028 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2021-11-23 03:38:57,034 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:38:57,034 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:38:57,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:38:57,143 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:38:57,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:38:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 03:38:57,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 03:38:57,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:57,174 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:57,175 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:57,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash 361433954, now seen corresponding path program 1 times [2021-11-23 03:38:57,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:57,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396620143] [2021-11-23 03:38:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:57,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:38:57,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:57,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396620143] [2021-11-23 03:38:57,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396620143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:57,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:57,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:38:57,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980636625] [2021-11-23 03:38:57,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:57,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:38:57,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:57,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:38:57,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:38:57,496 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2021-11-23 03:38:57,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:57,604 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2021-11-23 03:38:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:38:57,608 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 [2021-11-23 03:38:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:57,618 INFO L225 Difference]: With dead ends: 116 [2021-11-23 03:38:57,619 INFO L226 Difference]: Without dead ends: 54 [2021-11-23 03:38:57,623 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:57,627 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:57,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:38:57,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-23 03:38:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-23 03:38:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:38:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2021-11-23 03:38:57,672 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2021-11-23 03:38:57,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:57,673 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2021-11-23 03:38:57,673 INFO L471 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) [2021-11-23 03:38:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2021-11-23 03:38:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 03:38:57,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:57,677 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:57,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:38:57,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:57,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:57,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1563861956, now seen corresponding path program 1 times [2021-11-23 03:38:57,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:57,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386058044] [2021-11-23 03:38:57,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:57,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:57,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:38:57,746 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:57,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386058044] [2021-11-23 03:38:57,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386058044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:57,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:57,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:57,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4442533] [2021-11-23 03:38:57,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:57,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:57,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:57,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:57,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:57,750 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-23 03:38:57,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:57,814 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2021-11-23 03:38:57,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:57,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2021-11-23 03:38:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:57,816 INFO L225 Difference]: With dead ends: 80 [2021-11-23 03:38:57,816 INFO L226 Difference]: Without dead ends: 46 [2021-11-23 03:38:57,819 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:57,821 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:57,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:38:57,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-23 03:38:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-23 03:38:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-23 03:38:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2021-11-23 03:38:57,833 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2021-11-23 03:38:57,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:57,834 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2021-11-23 03:38:57,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-23 03:38:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-23 03:38:57,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 03:38:57,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:57,836 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:38:57,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:38:57,836 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:57,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:57,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2012227643, now seen corresponding path program 1 times [2021-11-23 03:38:57,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:57,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175434276] [2021-11-23 03:38:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:57,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:38:57,975 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:57,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175434276] [2021-11-23 03:38:57,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175434276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:57,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:57,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:38:57,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536171790] [2021-11-23 03:38:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:57,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:38:57,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:38:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:38:57,983 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 03:38:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:58,091 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2021-11-23 03:38:58,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:38:58,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 25 [2021-11-23 03:38:58,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:58,097 INFO L225 Difference]: With dead ends: 134 [2021-11-23 03:38:58,097 INFO L226 Difference]: Without dead ends: 90 [2021-11-23 03:38:58,098 INFO L932 BasicCegarLoop]: 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 [2021-11-23 03:38:58,100 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 109 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 [2021-11-23 03:38:58,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 109 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:38:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-23 03:38:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2021-11-23 03:38:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2021-11-23 03:38:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2021-11-23 03:38:58,140 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2021-11-23 03:38:58,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:58,141 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2021-11-23 03:38:58,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-23 03:38:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2021-11-23 03:38:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:38:58,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:58,145 INFO L514 BasicCegarLoop]: 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] [2021-11-23 03:38:58,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:38:58,147 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:38:58,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:58,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1169687054, now seen corresponding path program 1 times [2021-11-23 03:38:58,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:58,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978018246] [2021-11-23 03:38:58,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:58,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:38:58,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:58,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978018246] [2021-11-23 03:38:58,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978018246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:58,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:58,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:38:58,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461409128] [2021-11-23 03:38:58,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:58,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:38:58,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:58,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:38:58,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:38:58,250 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:38:58,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:58,384 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2021-11-23 03:38:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:38:58,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2021-11-23 03:38:58,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:58,386 INFO L225 Difference]: With dead ends: 160 [2021-11-23 03:38:58,386 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:38:58,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:38:58,389 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:58,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 110 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:38:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:38:58,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:38:58,391 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) [2021-11-23 03:38:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:38:58,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-23 03:38:58,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:58,392 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:38:58,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 03:38:58,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:38:58,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:38:58,395 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:38:58,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:38:58,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:38:58,656 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 432 439) the Hoare annotation is: true [2021-11-23 03:38:58,657 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2021-11-23 03:38:58,657 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 391 397) no Hoare annotation was computed. [2021-11-23 03:38:58,657 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 391 397) the Hoare annotation is: true [2021-11-23 03:38:58,657 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 186 197) the Hoare annotation is: true [2021-11-23 03:38:58,658 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 186 197) no Hoare annotation was computed. [2021-11-23 03:38:58,658 INFO L854 garLoopResultBuilder]: At program point L378-1(lines 378 384) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,658 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 415) no Hoare annotation was computed. [2021-11-23 03:38:58,658 INFO L854 garLoopResultBuilder]: At program point L403(lines 403 420) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,659 INFO L854 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,659 INFO L858 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2021-11-23 03:38:58,659 INFO L858 garLoopResultBuilder]: For program point L371-2(lines 367 389) no Hoare annotation was computed. [2021-11-23 03:38:58,659 INFO L854 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:38:58,659 INFO L854 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,660 INFO L854 garLoopResultBuilder]: At program point L256-1(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,660 INFO L854 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:38:58,662 INFO L854 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:38:58,663 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 283) no Hoare annotation was computed. [2021-11-23 03:38:58,667 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-11-23 03:38:58,667 INFO L854 garLoopResultBuilder]: At program point L269-1(lines 261 289) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,667 INFO L854 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,668 INFO L854 garLoopResultBuilder]: At program point L418-1(lines 399 423) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,668 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2021-11-23 03:38:58,669 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 364 390) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:38:58,669 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 364 390) no Hoare annotation was computed. [2021-11-23 03:38:58,670 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2021-11-23 03:38:58,670 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-11-23 03:38:58,674 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-11-23 03:38:58,674 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-11-23 03:38:58,674 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-11-23 03:38:58,674 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-11-23 03:38:58,675 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-11-23 03:38:58,675 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-11-23 03:38:58,675 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-23 03:38:58,675 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-23 03:38:58,675 INFO L861 garLoopResultBuilder]: At program point L353(lines 292 357) the Hoare annotation is: true [2021-11-23 03:38:58,675 INFO L858 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2021-11-23 03:38:58,676 INFO L858 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2021-11-23 03:38:58,676 INFO L854 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: false [2021-11-23 03:38:58,676 INFO L854 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2021-11-23 03:38:58,676 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 03:38:58,676 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2021-11-23 03:38:58,676 INFO L854 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:38:58,677 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2021-11-23 03:38:58,677 INFO L858 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2021-11-23 03:38:58,677 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:38:58,677 INFO L854 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:38:58,677 INFO L854 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:38:58,677 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-11-23 03:38:58,678 INFO L854 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:38:58,678 INFO L858 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2021-11-23 03:38:58,678 INFO L854 garLoopResultBuilder]: At program point L142(lines 142 149) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-23 03:38:58,678 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2021-11-23 03:38:58,678 INFO L861 garLoopResultBuilder]: At program point L142-2(lines 142 149) the Hoare annotation is: true [2021-11-23 03:38:58,678 INFO L854 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:38:58,678 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 174 185) no Hoare annotation was computed. [2021-11-23 03:38:58,679 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 174 185) the Hoare annotation is: true [2021-11-23 03:38:58,679 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 451 459) no Hoare annotation was computed. [2021-11-23 03:38:58,679 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 451 459) the Hoare annotation is: true [2021-11-23 03:38:58,682 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 03:38:58,684 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:38:58,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:38:58 BoogieIcfgContainer [2021-11-23 03:38:58,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:38:58,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:38:58,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:38:58,709 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:38:58,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:38:57" (3/4) ... [2021-11-23 03:38:58,712 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:38:58,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 03:38:58,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 03:38:58,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 03:38:58,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 03:38:58,717 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 03:38:58,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 03:38:58,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-23 03:38:58,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 03:38:58,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 03:38:58,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 03:38:58,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 03:38:58,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 03:38:58,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:38:58,736 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:38:58,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:38:58,765 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:38:58,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:38:58,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:38:58,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 03:38:58,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:38:58,822 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:38:58,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:38:58,823 INFO L158 Benchmark]: Toolchain (without parser) took 3013.79ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 70.8MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,824 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:38:58,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.28ms. Allocated memory is still 92.3MB. Free memory was 70.8MB in the beginning and 60.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.54ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,826 INFO L158 Benchmark]: Boogie Preprocessor took 49.63ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,826 INFO L158 Benchmark]: RCFGBuilder took 566.40ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 37.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,826 INFO L158 Benchmark]: TraceAbstraction took 1686.83ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 36.4MB in the beginning and 74.9MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:38:58,827 INFO L158 Benchmark]: Witness Printer took 113.93ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 68.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:38:58,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 67.6MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.28ms. Allocated memory is still 92.3MB. Free memory was 70.8MB in the beginning and 60.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.54ms. Allocated memory is still 92.3MB. Free memory was 60.4MB in the beginning and 58.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.63ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.40ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 37.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1686.83ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 36.4MB in the beginning and 74.9MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.93ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 68.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 516]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 203 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 188 PreInvPairs, 210 NumberOfFragments, 141 HoareAnnotationTreeSize, 188 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 333 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 378]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 03:38:58,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8abf4996-f726-4e2b-a70d-cd62c856b7ce/bin/utaipan-EQgc7hIp5V/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