./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc --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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:56:47,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:56:47,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:56:47,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:56:47,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:56:47,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:56:47,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:56:47,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:56:47,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:56:47,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:56:47,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:56:47,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:56:47,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:56:47,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:56:47,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:56:47,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:56:47,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:56:47,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:56:47,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:56:47,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:56:47,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:56:47,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:56:47,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:56:47,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:56:47,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:56:47,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:56:47,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:56:47,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:56:47,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:56:47,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:56:47,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:56:47,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:56:47,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:56:47,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:56:47,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:56:47,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:56:47,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:56:47,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:56:47,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:56:47,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:56:47,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:56:47,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:56:47,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:56:47,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:56:47,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:56:47,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:56:47,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:56:47,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:56:47,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:56:47,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:56:47,356 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:56:47,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:56:47,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:56:47,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:56:47,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:56:47,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:56:47,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:56:47,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:56:47,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:56:47,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:56:47,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:56:47,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:56:47,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:56:47,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:56:47,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:56:47,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:56:47,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:56:47,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:56:47,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:56:47,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:56:47,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:56:47,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:56:47,361 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:56:47,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:56:47,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:56:47,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2022-11-02 20:56:47,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:56:47,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:56:47,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:56:47,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:56:47,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:56:47,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-11-02 20:56:47,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/data/6faca2aa6/454a81563f964295b3fd1abb4896ddb7/FLAG907f7dc32 [2022-11-02 20:56:48,446 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:56:48,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-11-02 20:56:48,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/data/6faca2aa6/454a81563f964295b3fd1abb4896ddb7/FLAG907f7dc32 [2022-11-02 20:56:48,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/data/6faca2aa6/454a81563f964295b3fd1abb4896ddb7 [2022-11-02 20:56:48,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:56:48,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:56:48,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:48,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:56:48,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:56:48,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:48" (1/1) ... [2022-11-02 20:56:48,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f324573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:48, skipping insertion in model container [2022-11-02 20:56:48,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:56:48" (1/1) ... [2022-11-02 20:56:48,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:56:48,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:56:49,056 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_8a895589-d0b1-4bff-832d-84a2590dc1ba/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2022-11-02 20:56:49,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:49,150 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:56:49,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2022-11-02 20:56:49,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:56:49,241 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:56:49,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49 WrapperNode [2022-11-02 20:56:49,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:56:49,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:49,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:56:49,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:56:49,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,295 INFO L138 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 198 [2022-11-02 20:56:49,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:56:49,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:56:49,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:56:49,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:56:49,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,318 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:56:49,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:56:49,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:56:49,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:56:49,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (1/1) ... [2022-11-02 20:56:49,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:56:49,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:56:49,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:56:49,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:56:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:56:49,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:56:49,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:56:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:56:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:56:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:56:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:56:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:56:49,431 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:56:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:56:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:56:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:56:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:56:49,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:56:49,503 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:56:49,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:56:49,858 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:56:49,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:56:49,866 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:56:49,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:49 BoogieIcfgContainer [2022-11-02 20:56:49,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:56:49,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:56:49,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:56:49,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:56:49,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:56:48" (1/3) ... [2022-11-02 20:56:49,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d1bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:49, skipping insertion in model container [2022-11-02 20:56:49,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:56:49" (2/3) ... [2022-11-02 20:56:49,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d1bf00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:56:49, skipping insertion in model container [2022-11-02 20:56:49,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:49" (3/3) ... [2022-11-02 20:56:49,879 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2022-11-02 20:56:49,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:56:49,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:56:50,004 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:56:50,012 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;@61af712c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:56:50,012 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:56:50,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 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) [2022-11-02 20:56:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:56:50,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:50,029 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] [2022-11-02 20:56:50,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:50,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:50,036 INFO L85 PathProgramCache]: Analyzing trace with hash -219446273, now seen corresponding path program 1 times [2022-11-02 20:56:50,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:50,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151459163] [2022-11-02 20:56:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:56:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:50,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:50,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151459163] [2022-11-02 20:56:50,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151459163] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:50,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:50,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:56:50,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239920717] [2022-11-02 20:56:50,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:50,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:56:50,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:50,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:56:50,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:56:50,500 INFO L87 Difference]: Start difference. First operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-02 20:56:50,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:50,559 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-11-02 20:56:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:56:50,562 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-02 20:56:50,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:50,576 INFO L225 Difference]: With dead ends: 129 [2022-11-02 20:56:50,577 INFO L226 Difference]: Without dead ends: 60 [2022-11-02 20:56:50,581 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 [2022-11-02 20:56:50,590 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2022-11-02 20:56:50,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:56:50,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-02 20:56:50,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-02 20:56:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 51 states have internal predecessors, (62), 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) [2022-11-02 20:56:50,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-02 20:56:50,675 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 25 [2022-11-02 20:56:50,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:50,675 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-02 20:56:50,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-02 20:56:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-02 20:56:50,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:56:50,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:50,684 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] [2022-11-02 20:56:50,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:56:50,685 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:50,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:50,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1164807818, now seen corresponding path program 1 times [2022-11-02 20:56:50,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:50,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935902110] [2022-11-02 20:56:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:56:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:50,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935902110] [2022-11-02 20:56:50,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935902110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:50,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:50,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:56:50,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308526471] [2022-11-02 20:56:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:50,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:56:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:50,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:56:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:56:50,936 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-02 20:56:50,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:50,953 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-11-02 20:56:50,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:56:50,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-02 20:56:50,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:50,956 INFO L225 Difference]: With dead ends: 80 [2022-11-02 20:56:50,956 INFO L226 Difference]: Without dead ends: 51 [2022-11-02 20:56:50,957 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 [2022-11-02 20:56:50,959 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 102 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 [2022-11-02 20:56:50,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:56:50,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-02 20:56:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-02 20:56:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 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) [2022-11-02 20:56:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-02 20:56:50,970 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 26 [2022-11-02 20:56:50,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:50,971 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-02 20:56:50,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-02 20:56:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-02 20:56:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:56:50,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:50,973 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:50,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:56:50,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:50,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:50,975 INFO L85 PathProgramCache]: Analyzing trace with hash -969067289, now seen corresponding path program 1 times [2022-11-02 20:56:50,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:50,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357826113] [2022-11-02 20:56:50,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:56:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:51,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:51,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357826113] [2022-11-02 20:56:51,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357826113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:51,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:51,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:56:51,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609486177] [2022-11-02 20:56:51,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:51,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:56:51,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:51,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:56:51,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:51,169 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:56:51,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:51,332 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-11-02 20:56:51,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:56:51,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-02 20:56:51,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:51,336 INFO L225 Difference]: With dead ends: 134 [2022-11-02 20:56:51,339 INFO L226 Difference]: Without dead ends: 91 [2022-11-02 20:56:51,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:56:51,344 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 133 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:56:51,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 183 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:56:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-02 20:56:51,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-11-02 20:56:51,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-02 20:56:51,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-11-02 20:56:51,369 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 31 [2022-11-02 20:56:51,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:51,370 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-11-02 20:56:51,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:56:51,370 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-11-02 20:56:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:56:51,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:56:51,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:56:51,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:56:51,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:56:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:56:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2135881790, now seen corresponding path program 1 times [2022-11-02 20:56:51,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:56:51,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244067404] [2022-11-02 20:56:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:56:51,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:56:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:56:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:56:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:56:51,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:56:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244067404] [2022-11-02 20:56:51,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244067404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:56:51,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:56:51,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:56:51,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836431995] [2022-11-02 20:56:51,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:56:51,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:56:51,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:56:51,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:56:51,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:56:51,512 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-02 20:56:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:56:51,560 INFO L93 Difference]: Finished difference Result 161 states and 210 transitions. [2022-11-02 20:56:51,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:56:51,561 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-11-02 20:56:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:56:51,562 INFO L225 Difference]: With dead ends: 161 [2022-11-02 20:56:51,562 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:56:51,564 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 [2022-11-02 20:56:51,565 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 36 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 148 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 [2022-11-02 20:56:51,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:56:51,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:56:51,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:56:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:56:51,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:56:51,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-02 20:56:51,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:56:51,569 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:56:51,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-02 20:56:51,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:56:51,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:56:51,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:56:51,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:56:51,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:56:51,883 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 386 397) the Hoare annotation is: true [2022-11-02 20:56:51,883 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 386 397) no Hoare annotation was computed. [2022-11-02 20:56:51,883 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-11-02 20:56:51,883 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 398 406) the Hoare annotation is: true [2022-11-02 20:56:51,884 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 398 406) no Hoare annotation was computed. [2022-11-02 20:56:51,884 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 398 406) no Hoare annotation was computed. [2022-11-02 20:56:51,884 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2022-11-02 20:56:51,884 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 834) no Hoare annotation was computed. [2022-11-02 20:56:51,884 INFO L902 garLoopResultBuilder]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2022-11-02 20:56:51,885 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2022-11-02 20:56:51,885 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2022-11-02 20:56:51,885 INFO L902 garLoopResultBuilder]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2022-11-02 20:56:51,885 INFO L902 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: true [2022-11-02 20:56:51,886 INFO L899 garLoopResultBuilder]: For program point L822-1(line 822) no Hoare annotation was computed. [2022-11-02 20:56:51,886 INFO L902 garLoopResultBuilder]: At program point L841(lines 816 845) the Hoare annotation is: true [2022-11-02 20:56:51,886 INFO L899 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2022-11-02 20:56:51,886 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-02 20:56:51,886 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 351) no Hoare annotation was computed. [2022-11-02 20:56:51,887 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 177 196) no Hoare annotation was computed. [2022-11-02 20:56:51,887 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 354) no Hoare annotation was computed. [2022-11-02 20:56:51,887 INFO L902 garLoopResultBuilder]: At program point L337-1(lines 329 357) the Hoare annotation is: true [2022-11-02 20:56:51,887 INFO L902 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: true [2022-11-02 20:56:51,888 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 370) no Hoare annotation was computed. [2022-11-02 20:56:51,888 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2022-11-02 20:56:51,888 INFO L895 garLoopResultBuilder]: At program point L366-2(lines 362 373) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:56:51,888 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 174 197) no Hoare annotation was computed. [2022-11-02 20:56:51,889 INFO L895 garLoopResultBuilder]: At program point L255(lines 250 258) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-11-02 20:56:51,889 INFO L895 garLoopResultBuilder]: At program point L445(lines 440 447) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:56:51,889 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-11-02 20:56:51,889 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-11-02 20:56:51,890 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 174 197) the Hoare annotation is: true [2022-11-02 20:56:51,890 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 174 197) no Hoare annotation was computed. [2022-11-02 20:56:51,890 INFO L895 garLoopResultBuilder]: At program point L202(lines 198 204) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,890 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2022-11-02 20:56:51,891 INFO L899 garLoopResultBuilder]: For program point L898-2(lines 898 905) no Hoare annotation was computed. [2022-11-02 20:56:51,891 INFO L895 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:56:51,891 INFO L895 garLoopResultBuilder]: At program point L151(lines 104 153) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:56:51,892 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 120) no Hoare annotation was computed. [2022-11-02 20:56:51,892 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2022-11-02 20:56:51,892 INFO L902 garLoopResultBuilder]: At program point L907(lines 888 910) the Hoare annotation is: true [2022-11-02 20:56:51,892 INFO L895 garLoopResultBuilder]: At program point L874(lines 870 876) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,893 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2022-11-02 20:56:51,893 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:56:51,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:56:51,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:56:51,893 INFO L895 garLoopResultBuilder]: At program point L326(lines 321 328) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:56:51,894 INFO L902 garLoopResultBuilder]: At program point L157(lines 94 161) the Hoare annotation is: true [2022-11-02 20:56:51,894 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 130) no Hoare annotation was computed. [2022-11-02 20:56:51,894 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 130) no Hoare annotation was computed. [2022-11-02 20:56:51,895 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:56:51,895 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,895 INFO L895 garLoopResultBuilder]: At program point L236(lines 231 238) the Hoare annotation is: false [2022-11-02 20:56:51,895 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,896 INFO L895 garLoopResultBuilder]: At program point L315(lines 310 317) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,896 INFO L895 garLoopResultBuilder]: At program point L154(lines 103 155) the Hoare annotation is: false [2022-11-02 20:56:51,896 INFO L902 garLoopResultBuilder]: At program point L885(lines 877 887) the Hoare annotation is: true [2022-11-02 20:56:51,896 INFO L895 garLoopResultBuilder]: At program point L307(lines 295 309) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:56:51,897 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-11-02 20:56:51,897 INFO L895 garLoopResultBuilder]: At program point L142-2(lines 134 149) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~6#1| 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:56:51,897 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2022-11-02 20:56:51,897 INFO L899 garLoopResultBuilder]: For program point L105(lines 104 153) no Hoare annotation was computed. [2022-11-02 20:56:51,898 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 299 305) no Hoare annotation was computed. [2022-11-02 20:56:51,898 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 149) no Hoare annotation was computed. [2022-11-02 20:56:51,898 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:56:51,898 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 905) no Hoare annotation was computed. [2022-11-02 20:56:51,898 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 374 385) no Hoare annotation was computed. [2022-11-02 20:56:51,899 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 374 385) no Hoare annotation was computed. [2022-11-02 20:56:51,899 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 374 385) the Hoare annotation is: true [2022-11-02 20:56:51,902 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:56:51,905 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:56:51,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:56:51 BoogieIcfgContainer [2022-11-02 20:56:51,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:56:51,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:56:51,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:56:51,923 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:56:51,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:56:49" (3/4) ... [2022-11-02 20:56:51,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:56:51,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:56:51,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:56:51,934 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:56:51,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:56:51,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:56:51,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2022-11-02 20:56:51,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:56:51,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:56:51,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:56:51,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:56:51,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:56:51,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:56:51,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2022-11-02 20:56:51,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2022-11-02 20:56:51,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) [2022-11-02 20:56:51,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-11-02 20:56:51,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) [2022-11-02 20:56:51,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 [2022-11-02 20:56:51,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2022-11-02 20:56:51,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:56:51,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:56:51,998 INFO L158 Benchmark]: Toolchain (without parser) took 3261.55ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 67.0MB in the end (delta: 15.1MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-11-02 20:56:51,998 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:56:51,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.59ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 85.4MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:56:51,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.22ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:56:52,000 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:56:52,000 INFO L158 Benchmark]: RCFGBuilder took 544.33ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 65.0MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:56:52,000 INFO L158 Benchmark]: TraceAbstraction took 2050.89ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 71.2MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:56:52,001 INFO L158 Benchmark]: Witness Printer took 74.80ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 67.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:56:52,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.59ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 85.4MB in the end (delta: -3.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.22ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 83.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.33ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 65.0MB in the end (delta: 16.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2050.89ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 71.2MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.80ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 67.0MB 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: 444]: 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, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 517 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 259 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 115 PreInvPairs, 143 NumberOfFragments, 178 HoareAnnotationTreeSize, 115 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 250 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 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: 877]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:56:52,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a895589-d0b1-4bff-832d-84a2590dc1ba/bin/uautomizer-Dbtcem3rbc/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