./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:09:10,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:09:10,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:09:10,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:09:10,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:09:10,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:09:10,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:09:10,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:09:10,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:09:10,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:09:10,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:09:10,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:09:10,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:09:10,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:09:10,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:09:10,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:09:10,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:09:10,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:09:10,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:09:10,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:09:10,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:09:10,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:09:10,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:09:10,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:09:10,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:09:10,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:09:10,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:09:10,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:09:10,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:09:10,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:09:10,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:09:10,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:09:10,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:09:10,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:09:10,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:09:10,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:09:10,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:09:10,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:09:10,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:09:10,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:09:10,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:09:10,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 15:09:10,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:09:10,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:09:10,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:09:10,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:09:10,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:09:10,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:09:10,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:09:10,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:09:10,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:09:10,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:09:10,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:09:10,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:09:10,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:09:10,427 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2022-12-13 15:09:10,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:09:10,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:09:10,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:09:10,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:09:10,630 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:09:10,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-12-13 15:09:13,348 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:09:13,580 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:09:13,581 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-12-13 15:09:13,589 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/data/fda174717/7f9666b29a714e439a1dc9f8389efe75/FLAGdf76c1c3b [2022-12-13 15:09:13,599 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/data/fda174717/7f9666b29a714e439a1dc9f8389efe75 [2022-12-13 15:09:13,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:09:13,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:09:13,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:09:13,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:09:13,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:09:13,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711a090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13, skipping insertion in model container [2022-12-13 15:09:13,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:09:13,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:09:13,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-12-13 15:09:13,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:09:13,870 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:09:13,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-12-13 15:09:13,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:09:13,922 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:09:13,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13 WrapperNode [2022-12-13 15:09:13,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:09:13,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:09:13,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:09:13,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:09:13,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,953 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 131 [2022-12-13 15:09:13,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:09:13,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:09:13,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:09:13,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:09:13,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:09:13,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:09:13,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:09:13,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:09:13,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (1/1) ... [2022-12-13 15:09:13,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:09:13,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:09:13,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:09:13,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:09:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 15:09:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 15:09:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 15:09:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 15:09:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:09:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 15:09:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 15:09:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:09:14,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:09:14,091 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:09:14,093 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:09:14,249 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:09:14,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:09:14,255 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:09:14,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:14 BoogieIcfgContainer [2022-12-13 15:09:14,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:09:14,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:09:14,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:09:14,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:09:14,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:09:13" (1/3) ... [2022-12-13 15:09:14,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5314492f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:14, skipping insertion in model container [2022-12-13 15:09:14,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:09:13" (2/3) ... [2022-12-13 15:09:14,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5314492f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:09:14, skipping insertion in model container [2022-12-13 15:09:14,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:14" (3/3) ... [2022-12-13 15:09:14,263 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2022-12-13 15:09:14,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:09:14,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 15:09:14,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:09:14,325 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=PETRI_NET, 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;@1e117fa1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:09:14,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 15:09:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 15:09:14,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 15:09:14,336 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:14,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:14,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:14,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1989818001, now seen corresponding path program 1 times [2022-12-13 15:09:14,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:14,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823659730] [2022-12-13 15:09:14,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:14,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:09:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:09:14,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:14,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823659730] [2022-12-13 15:09:14,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823659730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:14,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:14,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:09:14,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590111574] [2022-12-13 15:09:14,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 15:09:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:14,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 15:09:14,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:09:14,513 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:14,545 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2022-12-13 15:09:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 15:09:14,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-12-13 15:09:14,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:14,554 INFO L225 Difference]: With dead ends: 124 [2022-12-13 15:09:14,554 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 15:09:14,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 15:09:14,560 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:14,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:09:14,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 15:09:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 15:09:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 15:09:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-12-13 15:09:14,631 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2022-12-13 15:09:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:14,632 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2022-12-13 15:09:14,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-13 15:09:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 15:09:14,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:14,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:14,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:09:14,635 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:14,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:14,636 INFO L85 PathProgramCache]: Analyzing trace with hash 366452259, now seen corresponding path program 1 times [2022-12-13 15:09:14,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:14,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234408979] [2022-12-13 15:09:14,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 15:09:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:09:14,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:14,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234408979] [2022-12-13 15:09:14,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234408979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:14,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:14,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:09:14,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995853307] [2022-12-13 15:09:14,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:14,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:09:14,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:14,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:09:14,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:14,740 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:14,753 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2022-12-13 15:09:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:09:14,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 15:09:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:14,755 INFO L225 Difference]: With dead ends: 76 [2022-12-13 15:09:14,755 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 15:09:14,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:09:14,757 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:14,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:09:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 15:09:14,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 15:09:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:09:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2022-12-13 15:09:14,765 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2022-12-13 15:09:14,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:14,765 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2022-12-13 15:09:14,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2022-12-13 15:09:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 15:09:14,767 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:14,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:14,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:09:14,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:14,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1516817852, now seen corresponding path program 1 times [2022-12-13 15:09:14,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:14,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029039179] [2022-12-13 15:09:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 15:09:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:09:14,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:14,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029039179] [2022-12-13 15:09:14,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029039179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:14,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:14,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:09:14,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458609173] [2022-12-13 15:09:14,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:14,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:09:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:09:14,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:09:14,904 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:15,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:15,000 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2022-12-13 15:09:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:09:15,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-12-13 15:09:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:15,003 INFO L225 Difference]: With dead ends: 168 [2022-12-13 15:09:15,003 INFO L226 Difference]: Without dead ends: 127 [2022-12-13 15:09:15,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:09:15,005 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 126 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:15,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 324 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:09:15,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-12-13 15:09:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2022-12-13 15:09:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 99 states have internal predecessors, (124), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2022-12-13 15:09:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2022-12-13 15:09:15,020 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 28 [2022-12-13 15:09:15,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:15,021 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2022-12-13 15:09:15,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2022-12-13 15:09:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 15:09:15,022 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:09:15,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:09:15,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:09:15,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 15:09:15,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:09:15,023 INFO L85 PathProgramCache]: Analyzing trace with hash -871834641, now seen corresponding path program 1 times [2022-12-13 15:09:15,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:09:15,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172879947] [2022-12-13 15:09:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:09:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:09:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 15:09:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:09:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:09:15,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:09:15,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172879947] [2022-12-13 15:09:15,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172879947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:09:15,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:09:15,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:09:15,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791801423] [2022-12-13 15:09:15,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:09:15,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:09:15,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:09:15,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:09:15,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:09:15,092 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:15,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:09:15,124 INFO L93 Difference]: Finished difference Result 227 states and 294 transitions. [2022-12-13 15:09:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:09:15,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-12-13 15:09:15,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:09:15,125 INFO L225 Difference]: With dead ends: 227 [2022-12-13 15:09:15,125 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:09:15,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:09:15,128 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:09:15,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:09:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:09:15,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:09:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 15:09:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:09:15,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-12-13 15:09:15,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:09:15,129 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:09:15,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:09:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:09:15,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:09:15,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 15:09:15,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:09:15,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:09:15,310 INFO L899 garLoopResultBuilder]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2022-12-13 15:09:15,310 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 440 451) the Hoare annotation is: true [2022-12-13 15:09:15,310 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2022-12-13 15:09:15,310 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 452 460) the Hoare annotation is: true [2022-12-13 15:09:15,310 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2022-12-13 15:09:15,311 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2022-12-13 15:09:15,311 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2022-12-13 15:09:15,311 INFO L899 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2022-12-13 15:09:15,311 INFO L902 garLoopResultBuilder]: At program point L502-1(lines 494 518) the Hoare annotation is: true [2022-12-13 15:09:15,311 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2022-12-13 15:09:15,311 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-12-13 15:09:15,311 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-12-13 15:09:15,312 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 404 411) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-12-13 15:09:15,312 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 200 223) the Hoare annotation is: true [2022-12-13 15:09:15,312 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2022-12-13 15:09:15,312 INFO L895 garLoopResultBuilder]: At program point processEnvironment_returnLabel#1(lines 224 230) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-12-13 15:09:15,312 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-12-13 15:09:15,312 INFO L895 garLoopResultBuilder]: At program point L420-2(lines 416 427) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-12-13 15:09:15,312 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-12-13 15:09:15,313 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2022-12-13 15:09:15,313 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2022-12-13 15:09:15,313 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 276 284) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-12-13 15:09:15,313 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2022-12-13 15:09:15,313 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-12-13 15:09:15,313 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-12-13 15:09:15,314 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-12-13 15:09:15,314 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-12-13 15:09:15,314 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-12-13 15:09:15,314 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-12-13 15:09:15,314 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-12-13 15:09:15,314 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2022-12-13 15:09:15,314 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-12-13 15:09:15,314 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-12-13 15:09:15,315 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2022-12-13 15:09:15,315 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 117 126) the Hoare annotation is: true [2022-12-13 15:09:15,315 INFO L895 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2022-12-13 15:09:15,315 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 15:09:15,315 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 130 152) the Hoare annotation is: true [2022-12-13 15:09:15,315 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2022-12-13 15:09:15,315 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 331) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L895 garLoopResultBuilder]: At program point L383-2(lines 377 390) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-12-13 15:09:15,316 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-12-13 15:09:15,316 INFO L895 garLoopResultBuilder]: At program point L392(lines 347 394) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 15:09:15,317 INFO L895 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 15:09:15,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:09:15,317 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:09:15,317 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 15:09:15,317 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 257 264) the Hoare annotation is: false [2022-12-13 15:09:15,317 INFO L899 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2022-12-13 15:09:15,317 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2022-12-13 15:09:15,317 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 321 335) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 15:09:15,317 INFO L895 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 15:09:15,317 INFO L902 garLoopResultBuilder]: At program point L398(lines 337 402) the Hoare annotation is: true [2022-12-13 15:09:15,318 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-12-13 15:09:15,318 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-12-13 15:09:15,318 INFO L899 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2022-12-13 15:09:15,318 INFO L899 garLoopResultBuilder]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2022-12-13 15:09:15,318 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2022-12-13 15:09:15,318 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 428 439) the Hoare annotation is: true [2022-12-13 15:09:15,320 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 15:09:15,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:09:15,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:09:15 BoogieIcfgContainer [2022-12-13 15:09:15,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:09:15,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:09:15,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:09:15,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:09:15,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:09:14" (3/4) ... [2022-12-13 15:09:15,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:09:15,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 15:09:15,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 15:09:15,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 15:09:15,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 15:09:15,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 15:09:15,343 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 15:09:15,344 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 15:09:15,344 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 15:09:15,344 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:09:15,344 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:09:15,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-12-13 15:09:15,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-12-13 15:09:15,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-12-13 15:09:15,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:09:15,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:09:15,373 INFO L158 Benchmark]: Toolchain (without parser) took 1771.80ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 103.4MB in the beginning and 75.5MB in the end (delta: 27.9MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,373 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:09:15,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.94ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 85.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.56ms. Allocated memory is still 136.3MB. Free memory was 85.5MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,374 INFO L158 Benchmark]: Boogie Preprocessor took 17.59ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,374 INFO L158 Benchmark]: RCFGBuilder took 284.48ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 68.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,374 INFO L158 Benchmark]: TraceAbstraction took 1073.72ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 67.8MB in the beginning and 79.7MB in the end (delta: -11.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,375 INFO L158 Benchmark]: Witness Printer took 40.66ms. Allocated memory is still 174.1MB. Free memory was 79.7MB in the beginning and 75.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:09:15,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.94ms. Allocated memory is still 136.3MB. Free memory was 103.4MB in the beginning and 85.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.56ms. Allocated memory is still 136.3MB. Free memory was 85.5MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.59ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.48ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 68.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1073.72ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 67.8MB in the beginning and 79.7MB in the end (delta: -11.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Witness Printer took 40.66ms. Allocated memory is still 174.1MB. Free memory was 79.7MB in the beginning and 75.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 408]: 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 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 249 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 133 PreInvPairs, 169 NumberOfFragments, 113 HoareAnnotationTreeSize, 133 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 458 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 15:09:15,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518717ea-91cd-43cd-82d8-5be1c8a6d94c/bin/uautomizer-uyxdKDjOR8/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