./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8 --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 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f --- 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-e04fb08 [2022-11-16 11:39:12,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:39:12,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:39:12,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:39:12,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:39:12,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:39:12,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:39:12,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:39:12,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:39:12,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:39:12,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:39:12,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:39:12,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:39:12,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:39:12,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:39:12,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:39:12,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:39:12,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:39:12,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:39:12,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:39:12,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:39:12,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:39:12,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:39:12,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:39:12,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:39:12,451 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:39:12,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:39:12,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:39:12,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:39:12,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:39:12,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:39:12,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:39:12,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:39:12,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:39:12,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:39:12,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:39:12,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:39:12,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:39:12,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:39:12,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:39:12,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:39:12,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:39:12,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:39:12,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:39:12,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:39:12,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:39:12,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:39:12,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:39:12,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:39:12,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:39:12,525 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:39:12,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:39:12,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:39:12,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:39:12,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:39:12,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:39:12,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:39:12,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:39:12,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:39:12,529 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:39:12,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:39:12,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:39:12,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:39:12,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:39:12,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:39:12,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:39:12,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:12,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:39:12,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:39:12,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:39:12,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:39:12,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:39:12,553 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:39:12,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:39:12,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:39:12,554 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_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 461ca0d1a8543dd411d909a238dff5a20b99b6d27f8d240637f8debfe58c478f [2022-11-16 11:39:12,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:39:13,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:39:13,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:39:13,020 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:39:13,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:39:13,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-11-16 11:39:13,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/data/408510440/84258f8aa8c5498f9e7e8bb54af0e15e/FLAG46b07cf31 [2022-11-16 11:39:13,848 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:39:13,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2022-11-16 11:39:13,881 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/data/408510440/84258f8aa8c5498f9e7e8bb54af0e15e/FLAG46b07cf31 [2022-11-16 11:39:14,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/data/408510440/84258f8aa8c5498f9e7e8bb54af0e15e [2022-11-16 11:39:14,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:39:14,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:39:14,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:14,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:39:14,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:39:14,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d5f045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14, skipping insertion in model container [2022-11-16 11:39:14,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:39:14,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:39:14,494 WARN L229 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_9f934693-e0c3-4f44-b335-34314adb896b/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c[5363,5376] [2022-11-16 11:39:14,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:14,655 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:39:14,730 WARN L229 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_9f934693-e0c3-4f44-b335-34314adb896b/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c[5363,5376] [2022-11-16 11:39:14,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:14,854 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:39:14,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14 WrapperNode [2022-11-16 11:39:14,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:14,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:14,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:39:14,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:39:14,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,945 INFO L138 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 15, statements flattened = 191 [2022-11-16 11:39:14,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:14,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:39:14,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:39:14,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:39:14,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,991 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:14,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:39:14,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:39:14,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:39:14,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:39:14,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (1/1) ... [2022-11-16 11:39:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:15,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:15,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:39:15,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:39:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:39:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:39:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:39:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:39:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:39:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:39:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 11:39:15,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 11:39:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:39:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:39:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:39:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:39:15,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:39:15,258 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:39:15,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:39:15,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:15,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:15,598 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:39:15,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:15 BoogieIcfgContainer [2022-11-16 11:39:15,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:15,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:15,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:15,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:15,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:14" (1/3) ... [2022-11-16 11:39:15,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faf2ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:15, skipping insertion in model container [2022-11-16 11:39:15,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:14" (2/3) ... [2022-11-16 11:39:15,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4faf2ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:15, skipping insertion in model container [2022-11-16 11:39:15,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:15" (3/3) ... [2022-11-16 11:39:15,629 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2022-11-16 11:39:15,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:15,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:15,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:15,757 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;@523c06f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:15,757 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 11:39:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:39:15,775 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:15,776 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:15,776 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:15,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash 734230905, now seen corresponding path program 1 times [2022-11-16 11:39:15,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:15,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796241298] [2022-11-16 11:39:15,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:39:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:39:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:39:16,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:16,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796241298] [2022-11-16 11:39:16,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796241298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:16,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:16,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:39:16,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50249614] [2022-11-16 11:39:16,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:16,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:39:16,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:39:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:39:16,312 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 57 states have internal predecessors, (73), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:16,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:16,377 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2022-11-16 11:39:16,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:39:16,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 11:39:16,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:16,399 INFO L225 Difference]: With dead ends: 127 [2022-11-16 11:39:16,399 INFO L226 Difference]: Without dead ends: 59 [2022-11-16 11:39:16,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:39:16,417 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2022-11-16 11:39:16,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:39:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-16 11:39:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-16 11:39:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 49 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 11:39:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2022-11-16 11:39:16,501 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 32 [2022-11-16 11:39:16,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:16,502 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2022-11-16 11:39:16,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-11-16 11:39:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 11:39:16,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:16,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:16,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:39:16,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:16,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:16,516 INFO L85 PathProgramCache]: Analyzing trace with hash 57512016, now seen corresponding path program 1 times [2022-11-16 11:39:16,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:16,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841711271] [2022-11-16 11:39:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:16,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:39:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:39:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:39:16,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:16,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841711271] [2022-11-16 11:39:16,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841711271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:16,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:16,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:39:16,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092871667] [2022-11-16 11:39:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:16,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:39:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:39:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:39:16,791 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:16,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:16,808 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2022-11-16 11:39:16,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:39:16,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 11:39:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:16,811 INFO L225 Difference]: With dead ends: 83 [2022-11-16 11:39:16,811 INFO L226 Difference]: Without dead ends: 50 [2022-11-16 11:39:16,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:39:16,814 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 12 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 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 [2022-11-16 11:39:16,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:39:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-16 11:39:16,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-16 11:39:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 43 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 11:39:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-16 11:39:16,824 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 33 [2022-11-16 11:39:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:16,825 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-16 11:39:16,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-16 11:39:16,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:39:16,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:16,827 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:16,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:39:16,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:16,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -289318472, now seen corresponding path program 1 times [2022-11-16 11:39:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:16,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046732434] [2022-11-16 11:39:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:39:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:39:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:39:17,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:17,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046732434] [2022-11-16 11:39:17,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046732434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:17,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:17,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:39:17,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485343010] [2022-11-16 11:39:17,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:17,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:39:17,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:17,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:39:17,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:39:17,010 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:39:17,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:17,058 INFO L93 Difference]: Finished difference Result 92 states and 117 transitions. [2022-11-16 11:39:17,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:39:17,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 11:39:17,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:17,061 INFO L225 Difference]: With dead ends: 92 [2022-11-16 11:39:17,062 INFO L226 Difference]: Without dead ends: 50 [2022-11-16 11:39:17,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:39:17,065 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 60 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 [2022-11-16 11:39:17,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:39:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-16 11:39:17,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-16 11:39:17,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.275) internal successors, (51), 43 states have internal predecessors, (51), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-16 11:39:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2022-11-16 11:39:17,092 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 37 [2022-11-16 11:39:17,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:17,094 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2022-11-16 11:39:17,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:39:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2022-11-16 11:39:17,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 11:39:17,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:17,101 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:17,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:39:17,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1233673812, now seen corresponding path program 1 times [2022-11-16 11:39:17,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:17,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418632435] [2022-11-16 11:39:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:17,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:39:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 11:39:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:39:17,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:17,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418632435] [2022-11-16 11:39:17,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418632435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:17,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:17,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:39:17,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149663462] [2022-11-16 11:39:17,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:17,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:39:17,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:17,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:39:17,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:39:17,450 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:17,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:17,545 INFO L93 Difference]: Finished difference Result 90 states and 112 transitions. [2022-11-16 11:39:17,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:39:17,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-11-16 11:39:17,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:17,546 INFO L225 Difference]: With dead ends: 90 [2022-11-16 11:39:17,546 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:39:17,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:39:17,549 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 28 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:17,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 190 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:39:17,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:39:17,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:39:17,551 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) [2022-11-16 11:39:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:39:17,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-16 11:39:17,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:17,551 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:39:17,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:39:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:39:17,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:39:17,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:39:17,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:39:17,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:39:17,724 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-11-16 11:39:17,724 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-16 11:39:17,724 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-11-16 11:39:17,725 INFO L902 garLoopResultBuilder]: At program point L353(line 353) the Hoare annotation is: true [2022-11-16 11:39:17,725 INFO L899 garLoopResultBuilder]: For program point L353-1(line 353) no Hoare annotation was computed. [2022-11-16 11:39:17,725 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 347 376) no Hoare annotation was computed. [2022-11-16 11:39:17,725 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 347 376) the Hoare annotation is: true [2022-11-16 11:39:17,725 INFO L902 garLoopResultBuilder]: At program point L372(lines 347 376) the Hoare annotation is: true [2022-11-16 11:39:17,726 INFO L899 garLoopResultBuilder]: For program point L368(line 368) no Hoare annotation was computed. [2022-11-16 11:39:17,726 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-11-16 11:39:17,726 INFO L902 garLoopResultBuilder]: At program point L361-1(lines 361 365) the Hoare annotation is: true [2022-11-16 11:39:17,726 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2022-11-16 11:39:17,726 INFO L902 garLoopResultBuilder]: At program point L357-2(lines 357 371) the Hoare annotation is: true [2022-11-16 11:39:17,727 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2022-11-16 11:39:17,727 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 146 172) no Hoare annotation was computed. [2022-11-16 11:39:17,727 INFO L902 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: true [2022-11-16 11:39:17,727 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2022-11-16 11:39:17,727 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2022-11-16 11:39:17,727 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2022-11-16 11:39:17,728 INFO L895 garLoopResultBuilder]: At program point L342(lines 337 344) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:39:17,728 INFO L902 garLoopResultBuilder]: At program point L177(lines 173 179) the Hoare annotation is: true [2022-11-16 11:39:17,728 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 889) no Hoare annotation was computed. [2022-11-16 11:39:17,728 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 892) no Hoare annotation was computed. [2022-11-16 11:39:17,728 INFO L902 garLoopResultBuilder]: At program point L875-1(lines 867 895) the Hoare annotation is: true [2022-11-16 11:39:17,729 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-11-16 11:39:17,729 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:39:17,729 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 159) no Hoare annotation was computed. [2022-11-16 11:39:17,729 INFO L899 garLoopResultBuilder]: For program point L153-2(lines 149 171) no Hoare annotation was computed. [2022-11-16 11:39:17,729 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2022-11-16 11:39:17,729 INFO L902 garLoopResultBuilder]: At program point L864(lines 857 866) the Hoare annotation is: true [2022-11-16 11:39:17,730 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 146 172) the Hoare annotation is: true [2022-11-16 11:39:17,730 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-16 11:39:17,730 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-16 11:39:17,730 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 172) no Hoare annotation was computed. [2022-11-16 11:39:17,730 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 341) no Hoare annotation was computed. [2022-11-16 11:39:17,731 INFO L895 garLoopResultBuilder]: At program point L828(lines 824 830) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:39:17,731 INFO L899 garLoopResultBuilder]: For program point L283(lines 282 327) no Hoare annotation was computed. [2022-11-16 11:39:17,731 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 323) no Hoare annotation was computed. [2022-11-16 11:39:17,731 INFO L895 garLoopResultBuilder]: At program point L304(line 304) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:39:17,731 INFO L895 garLoopResultBuilder]: At program point L325(lines 282 327) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:39:17,731 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L899 garLoopResultBuilder]: For program point L292-1(lines 292 298) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 288) no Hoare annotation was computed. [2022-11-16 11:39:17,732 INFO L895 garLoopResultBuilder]: At program point L854(lines 849 856) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:39:17,733 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 440) no Hoare annotation was computed. [2022-11-16 11:39:17,733 INFO L899 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2022-11-16 11:39:17,733 INFO L902 garLoopResultBuilder]: At program point L417(lines 409 419) the Hoare annotation is: true [2022-11-16 11:39:17,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:39:17,733 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2022-11-16 11:39:17,733 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 312 323) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:39:17,734 INFO L902 garLoopResultBuilder]: At program point L442(lines 423 445) the Hoare annotation is: true [2022-11-16 11:39:17,734 INFO L895 garLoopResultBuilder]: At program point L405(lines 401 407) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:39:17,734 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 308) no Hoare annotation was computed. [2022-11-16 11:39:17,734 INFO L899 garLoopResultBuilder]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2022-11-16 11:39:17,734 INFO L895 garLoopResultBuilder]: At program point L843(lines 838 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:39:17,735 INFO L902 garLoopResultBuilder]: At program point L331(lines 272 335) the Hoare annotation is: true [2022-11-16 11:39:17,735 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:39:17,735 INFO L895 garLoopResultBuilder]: At program point L835(lines 831 837) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:39:17,735 INFO L895 garLoopResultBuilder]: At program point L328(lines 281 329) the Hoare annotation is: false [2022-11-16 11:39:17,735 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-16 11:39:17,735 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-11-16 11:39:17,736 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-16 11:39:17,736 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2022-11-16 11:39:17,736 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 225 233) the Hoare annotation is: true [2022-11-16 11:39:17,736 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 225 233) no Hoare annotation was computed. [2022-11-16 11:39:17,740 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:39:17,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:39:17,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:17 BoogieIcfgContainer [2022-11-16 11:39:17,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:39:17,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:39:17,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:39:17,761 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:39:17,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:15" (3/4) ... [2022-11-16 11:39:17,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:39:17,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:39:17,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:39:17,773 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:39:17,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:39:17,774 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 11:39:17,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-16 11:39:17,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:39:17,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:39:17,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:39:17,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:39:17,783 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:39:17,783 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:39:17,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:39:17,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:39:17,837 INFO L158 Benchmark]: Toolchain (without parser) took 3721.11ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 65.5MB in the beginning and 80.9MB in the end (delta: -15.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,838 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:17,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.18ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 75.6MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.12ms. Allocated memory is still 109.1MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,839 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,839 INFO L158 Benchmark]: RCFGBuilder took 604.57ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 55.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,840 INFO L158 Benchmark]: TraceAbstraction took 2156.45ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 85.1MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:17,840 INFO L158 Benchmark]: Witness Printer took 75.90ms. Allocated memory is still 134.2MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:39:17,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.18ms. Allocated memory is still 109.1MB. Free memory was 65.3MB in the beginning and 75.6MB in the end (delta: -10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.12ms. Allocated memory is still 109.1MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 109.1MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.57ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 55.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2156.45ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 85.1MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.90ms. Allocated memory is still 134.2MB. Free memory was 85.1MB in the beginning and 80.9MB 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: 341]: 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, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 439 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 256 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 113 PreInvPairs, 126 NumberOfFragments, 112 HoareAnnotationTreeSize, 113 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:39:17,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f934693-e0c3-4f44-b335-34314adb896b/bin/uautomizer-tPACEb0tL8/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