./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/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_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/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_0b8160b8-3a06-4935-82a2-6a817dcb7408/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 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 --- 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 21:09:51,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:09:51,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:09:51,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:09:51,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:09:51,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:09:51,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:09:51,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:09:51,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:09:51,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:09:51,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:09:51,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:09:51,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:09:51,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:09:51,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:09:51,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:09:51,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:09:51,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:09:51,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:09:51,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:09:51,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:09:51,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:09:51,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:09:51,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:09:51,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:09:51,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:09:51,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:09:51,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:09:51,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:09:51,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:09:51,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:09:51,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:09:51,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:09:51,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:09:51,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:09:51,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:09:51,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:09:51,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:09:51,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:09:51,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:09:51,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:09:51,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:09:51,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:09:51,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:09:51,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:09:51,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:09:51,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:09:51,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:09:51,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:09:51,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:09:51,328 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:09:51,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:09:51,330 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:09:51,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:09:51,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:09:51,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:09:51,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:09:51,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:09:51,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:09:51,331 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:09:51,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:09:51,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:09:51,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:09:51,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:09:51,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:09:51,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:09:51,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:51,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:09:51,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:09:51,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:09:51,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:09:51,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:09:51,335 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:09:51,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:09:51,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:09:51,336 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_0b8160b8-3a06-4935-82a2-6a817dcb7408/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 [2022-11-02 21:09:51,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:09:51,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:09:51,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:09:51,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:09:51,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:09:51,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2022-11-02 21:09:51,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/data/b1972e6ca/cfef718c66e747328317acec2352446c/FLAGf54f86d33 [2022-11-02 21:09:52,319 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:09:52,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2022-11-02 21:09:52,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/data/b1972e6ca/cfef718c66e747328317acec2352446c/FLAGf54f86d33 [2022-11-02 21:09:52,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/data/b1972e6ca/cfef718c66e747328317acec2352446c [2022-11-02 21:09:52,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:09:52,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:09:52,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:52,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:09:52,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:09:52,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:52" (1/1) ... [2022-11-02 21:09:52,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346e5d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:52, skipping insertion in model container [2022-11-02 21:09:52,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:09:52" (1/1) ... [2022-11-02 21:09:52,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:09:52,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:09:52,986 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_0b8160b8-3a06-4935-82a2-6a817dcb7408/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2022-11-02 21:09:53,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:53,102 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:09:53,148 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_0b8160b8-3a06-4935-82a2-6a817dcb7408/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2022-11-02 21:09:53,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:09:53,256 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:09:53,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53 WrapperNode [2022-11-02 21:09:53,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:09:53,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:53,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:09:53,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:09:53,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,316 INFO L138 Inliner]: procedures = 60, calls = 164, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 284 [2022-11-02 21:09:53,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:09:53,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:09:53,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:09:53,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:09:53,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:09:53,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:09:53,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:09:53,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:09:53,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (1/1) ... [2022-11-02 21:09:53,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:09:53,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:53,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:09:53,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:09:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:09:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 21:09:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 21:09:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 21:09:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 21:09:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 21:09:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 21:09:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 21:09:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 21:09:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:09:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:09:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 21:09:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 21:09:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 21:09:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 21:09:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 21:09:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 21:09:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 21:09:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 21:09:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:09:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 21:09:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 21:09:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:09:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:09:53,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:09:53,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:09:54,040 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:09:54,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:09:54,048 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:09:54,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:54 BoogieIcfgContainer [2022-11-02 21:09:54,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:09:54,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:09:54,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:09:54,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:09:54,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:09:52" (1/3) ... [2022-11-02 21:09:54,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9c09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:54, skipping insertion in model container [2022-11-02 21:09:54,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:09:53" (2/3) ... [2022-11-02 21:09:54,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e9c09a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:09:54, skipping insertion in model container [2022-11-02 21:09:54,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:54" (3/3) ... [2022-11-02 21:09:54,062 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2022-11-02 21:09:54,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:09:54,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:09:54,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:09:54,187 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;@61981c7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:09:54,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:09:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-02 21:09:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 21:09:54,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:54,210 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 21:09:54,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:54,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:54,219 INFO L85 PathProgramCache]: Analyzing trace with hash 2099245654, now seen corresponding path program 1 times [2022-11-02 21:09:54,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:54,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394079608] [2022-11-02 21:09:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:54,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:54,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:54,568 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 21:09:54,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:54,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394079608] [2022-11-02 21:09:54,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394079608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:54,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:54,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:09:54,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351025860] [2022-11-02 21:09:54,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:54,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:09:54,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:54,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:09:54,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:09:54,618 INFO L87 Difference]: Start difference. First operand has 115 states, 84 states have (on average 1.369047619047619) internal successors, (115), 95 states have internal predecessors, (115), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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 21:09:54,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:54,688 INFO L93 Difference]: Finished difference Result 221 states and 300 transitions. [2022-11-02 21:09:54,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:09:54,691 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 21:09:54,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:54,703 INFO L225 Difference]: With dead ends: 221 [2022-11-02 21:09:54,704 INFO L226 Difference]: Without dead ends: 106 [2022-11-02 21:09:54,708 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 21:09:54,713 INFO L413 NwaCegarLoop]: 147 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, 147 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 21:09:54,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:09:54,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-02 21:09:54,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2022-11-02 21:09:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 87 states have internal predecessors, (101), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-02 21:09:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 138 transitions. [2022-11-02 21:09:54,783 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 138 transitions. Word has length 25 [2022-11-02 21:09:54,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:54,784 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 138 transitions. [2022-11-02 21:09:54,785 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 21:09:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 138 transitions. [2022-11-02 21:09:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 21:09:54,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:54,792 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 21:09:54,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:09:54,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:54,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:54,793 INFO L85 PathProgramCache]: Analyzing trace with hash -298822754, now seen corresponding path program 1 times [2022-11-02 21:09:54,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:54,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536648628] [2022-11-02 21:09:54,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:54,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 21:09:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,017 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 21:09:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:55,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536648628] [2022-11-02 21:09:55,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536648628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:55,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:55,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:09:55,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739213797] [2022-11-02 21:09:55,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:55,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:09:55,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:09:55,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:09:55,025 INFO L87 Difference]: Start difference. First operand 106 states and 138 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 21:09:55,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:55,052 INFO L93 Difference]: Finished difference Result 172 states and 224 transitions. [2022-11-02 21:09:55,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:09:55,056 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 21:09:55,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:55,060 INFO L225 Difference]: With dead ends: 172 [2022-11-02 21:09:55,061 INFO L226 Difference]: Without dead ends: 97 [2022-11-02 21:09:55,069 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 21:09:55,071 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 17 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 228 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 21:09:55,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 228 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:09:55,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-02 21:09:55,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-02 21:09:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 71 states have (on average 1.323943661971831) internal successors, (94), 81 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-02 21:09:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 126 transitions. [2022-11-02 21:09:55,090 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 126 transitions. Word has length 26 [2022-11-02 21:09:55,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:55,091 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 126 transitions. [2022-11-02 21:09:55,092 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 21:09:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2022-11-02 21:09:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 21:09:55,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:55,099 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 21:09:55,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:09:55,099 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1504880537, now seen corresponding path program 1 times [2022-11-02 21:09:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:55,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319651897] [2022-11-02 21:09:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:09:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,312 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 21:09:55,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:55,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319651897] [2022-11-02 21:09:55,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319651897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:55,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:55,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:09:55,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969979375] [2022-11-02 21:09:55,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:55,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:55,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:55,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:55,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:55,318 INFO L87 Difference]: Start difference. First operand 97 states and 126 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 21:09:55,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:55,449 INFO L93 Difference]: Finished difference Result 229 states and 301 transitions. [2022-11-02 21:09:55,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:09:55,450 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 21:09:55,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:55,452 INFO L225 Difference]: With dead ends: 229 [2022-11-02 21:09:55,452 INFO L226 Difference]: Without dead ends: 140 [2022-11-02 21:09:55,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:09:55,454 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 191 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:55,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 414 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:09:55,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-02 21:09:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-02 21:09:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 114 states have internal predecessors, (136), 21 states have call successors, (21), 14 states have call predecessors, (21), 14 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2022-11-02 21:09:55,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2022-11-02 21:09:55,490 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 179 transitions. Word has length 31 [2022-11-02 21:09:55,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:55,490 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-11-02 21:09:55,490 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 21:09:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2022-11-02 21:09:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 21:09:55,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:55,522 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, 1, 1] [2022-11-02 21:09:55,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:09:55,523 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:55,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1902279984, now seen corresponding path program 1 times [2022-11-02 21:09:55,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:55,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121520167] [2022-11-02 21:09:55,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:55,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 21:09:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,712 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 21:09:55,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:55,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121520167] [2022-11-02 21:09:55,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121520167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:55,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:55,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:09:55,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920322390] [2022-11-02 21:09:55,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:55,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:55,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:55,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:55,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:55,715 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 21:09:55,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:55,822 INFO L93 Difference]: Finished difference Result 320 states and 430 transitions. [2022-11-02 21:09:55,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:09:55,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34 [2022-11-02 21:09:55,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:55,825 INFO L225 Difference]: With dead ends: 320 [2022-11-02 21:09:55,825 INFO L226 Difference]: Without dead ends: 191 [2022-11-02 21:09:55,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 21:09:55,828 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 76 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:55,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 470 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:09:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-02 21:09:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 181. [2022-11-02 21:09:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 146 states have internal predecessors, (171), 25 states have call successors, (25), 21 states have call predecessors, (25), 21 states have return successors, (33), 23 states have call predecessors, (33), 25 states have call successors, (33) [2022-11-02 21:09:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 229 transitions. [2022-11-02 21:09:55,874 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 229 transitions. Word has length 34 [2022-11-02 21:09:55,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:55,875 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 229 transitions. [2022-11-02 21:09:55,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 21:09:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 229 transitions. [2022-11-02 21:09:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 21:09:55,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:55,881 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, 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 21:09:55,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:09:55,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:55,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash -469168825, now seen corresponding path program 1 times [2022-11-02 21:09:55,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:55,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745076476] [2022-11-02 21:09:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:55,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:55,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 21:09:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 21:09:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:09:56,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:56,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745076476] [2022-11-02 21:09:56,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745076476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:56,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:56,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:09:56,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557083673] [2022-11-02 21:09:56,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:56,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:09:56,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:56,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:09:56,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:09:56,141 INFO L87 Difference]: Start difference. First operand 181 states and 229 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:09:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:56,519 INFO L93 Difference]: Finished difference Result 393 states and 510 transitions. [2022-11-02 21:09:56,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:09:56,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2022-11-02 21:09:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:56,526 INFO L225 Difference]: With dead ends: 393 [2022-11-02 21:09:56,526 INFO L226 Difference]: Without dead ends: 220 [2022-11-02 21:09:56,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:09:56,535 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 121 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:56,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 622 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:09:56,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-02 21:09:56,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 211. [2022-11-02 21:09:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 157 states have (on average 1.2547770700636942) internal successors, (197), 169 states have internal predecessors, (197), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2022-11-02 21:09:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 262 transitions. [2022-11-02 21:09:56,595 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 262 transitions. Word has length 65 [2022-11-02 21:09:56,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:56,596 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 262 transitions. [2022-11-02 21:09:56,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:09:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 262 transitions. [2022-11-02 21:09:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-02 21:09:56,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:56,598 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, 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 21:09:56,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:09:56,603 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:56,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:56,603 INFO L85 PathProgramCache]: Analyzing trace with hash 197377234, now seen corresponding path program 1 times [2022-11-02 21:09:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:56,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58414695] [2022-11-02 21:09:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:56,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:09:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 21:09:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:09:56,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:56,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58414695] [2022-11-02 21:09:56,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58414695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:56,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:56,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:09:56,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117702219] [2022-11-02 21:09:56,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:56,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:09:56,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:56,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:09:56,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:09:56,819 INFO L87 Difference]: Start difference. First operand 211 states and 262 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:09:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:57,073 INFO L93 Difference]: Finished difference Result 424 states and 540 transitions. [2022-11-02 21:09:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2022-11-02 21:09:57,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:57,078 INFO L225 Difference]: With dead ends: 424 [2022-11-02 21:09:57,078 INFO L226 Difference]: Without dead ends: 221 [2022-11-02 21:09:57,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:57,088 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 124 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:57,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 467 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:09:57,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-02 21:09:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2022-11-02 21:09:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 159 states have (on average 1.251572327044025) internal successors, (199), 171 states have internal predecessors, (199), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2022-11-02 21:09:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 264 transitions. [2022-11-02 21:09:57,121 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 264 transitions. Word has length 62 [2022-11-02 21:09:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:57,121 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 264 transitions. [2022-11-02 21:09:57,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 21:09:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2022-11-02 21:09:57,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-02 21:09:57,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:57,123 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, 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 21:09:57,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:09:57,124 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:57,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash -646628268, now seen corresponding path program 1 times [2022-11-02 21:09:57,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:57,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85847825] [2022-11-02 21:09:57,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:57,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:09:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-02 21:09:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:09:57,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:57,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85847825] [2022-11-02 21:09:57,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85847825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:57,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:57,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:09:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670814518] [2022-11-02 21:09:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:57,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:09:57,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:57,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:09:57,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:09:57,311 INFO L87 Difference]: Start difference. First operand 213 states and 264 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 21:09:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:57,624 INFO L93 Difference]: Finished difference Result 621 states and 797 transitions. [2022-11-02 21:09:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:57,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 62 [2022-11-02 21:09:57,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:57,627 INFO L225 Difference]: With dead ends: 621 [2022-11-02 21:09:57,627 INFO L226 Difference]: Without dead ends: 416 [2022-11-02 21:09:57,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:09:57,629 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 247 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:57,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 373 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:09:57,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-11-02 21:09:57,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 414. [2022-11-02 21:09:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 310 states have (on average 1.229032258064516) internal successors, (381), 330 states have internal predecessors, (381), 53 states have call successors, (53), 48 states have call predecessors, (53), 50 states have return successors, (80), 53 states have call predecessors, (80), 53 states have call successors, (80) [2022-11-02 21:09:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 514 transitions. [2022-11-02 21:09:57,676 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 514 transitions. Word has length 62 [2022-11-02 21:09:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:57,676 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 514 transitions. [2022-11-02 21:09:57,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-02 21:09:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 514 transitions. [2022-11-02 21:09:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-02 21:09:57,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:57,678 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, 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 21:09:57,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:09:57,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:57,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:57,679 INFO L85 PathProgramCache]: Analyzing trace with hash -938683346, now seen corresponding path program 1 times [2022-11-02 21:09:57,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:57,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039640770] [2022-11-02 21:09:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:57,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:09:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:09:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:09:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:09:58,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:58,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039640770] [2022-11-02 21:09:58,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039640770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:58,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:58,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 21:09:58,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994797439] [2022-11-02 21:09:58,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:58,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 21:09:58,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:58,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 21:09:58,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:09:58,011 INFO L87 Difference]: Start difference. First operand 414 states and 514 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 21:09:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:59,107 INFO L93 Difference]: Finished difference Result 1325 states and 1713 transitions. [2022-11-02 21:09:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-02 21:09:59,107 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-11-02 21:09:59,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:59,115 INFO L225 Difference]: With dead ends: 1325 [2022-11-02 21:09:59,116 INFO L226 Difference]: Without dead ends: 919 [2022-11-02 21:09:59,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-02 21:09:59,118 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 399 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:59,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 647 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 21:09:59,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2022-11-02 21:09:59,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 861. [2022-11-02 21:09:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 634 states have (on average 1.1987381703470033) internal successors, (760), 682 states have internal predecessors, (760), 119 states have call successors, (119), 94 states have call predecessors, (119), 107 states have return successors, (203), 118 states have call predecessors, (203), 119 states have call successors, (203) [2022-11-02 21:09:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1082 transitions. [2022-11-02 21:09:59,257 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1082 transitions. Word has length 66 [2022-11-02 21:09:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:59,257 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1082 transitions. [2022-11-02 21:09:59,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 21:09:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1082 transitions. [2022-11-02 21:09:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-02 21:09:59,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:59,264 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:59,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:09:59,264 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:09:59,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:59,265 INFO L85 PathProgramCache]: Analyzing trace with hash 37906976, now seen corresponding path program 1 times [2022-11-02 21:09:59,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:59,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000719796] [2022-11-02 21:09:59,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:59,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:09:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 21:09:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:09:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:09:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:09:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:09:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:09:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 21:09:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-02 21:09:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 21:09:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:09:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-02 21:09:59,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:59,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000719796] [2022-11-02 21:09:59,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000719796] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:09:59,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843575753] [2022-11-02 21:09:59,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:59,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:09:59,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:09:59,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:09:59,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:09:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:59,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:09:59,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-02 21:10:00,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:00,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843575753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:00,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:10:00,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2022-11-02 21:10:00,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817815681] [2022-11-02 21:10:00,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:00,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:10:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:10:00,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-02 21:10:00,257 INFO L87 Difference]: Start difference. First operand 861 states and 1082 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 21:10:00,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:00,534 INFO L93 Difference]: Finished difference Result 1716 states and 2160 transitions. [2022-11-02 21:10:00,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:10:00,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 129 [2022-11-02 21:10:00,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:00,540 INFO L225 Difference]: With dead ends: 1716 [2022-11-02 21:10:00,540 INFO L226 Difference]: Without dead ends: 863 [2022-11-02 21:10:00,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-02 21:10:00,544 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 87 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:00,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 734 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:10:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-11-02 21:10:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 861. [2022-11-02 21:10:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 634 states have (on average 1.1845425867507886) internal successors, (751), 682 states have internal predecessors, (751), 119 states have call successors, (119), 94 states have call predecessors, (119), 107 states have return successors, (181), 118 states have call predecessors, (181), 119 states have call successors, (181) [2022-11-02 21:10:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1051 transitions. [2022-11-02 21:10:00,652 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1051 transitions. Word has length 129 [2022-11-02 21:10:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:00,652 INFO L495 AbstractCegarLoop]: Abstraction has 861 states and 1051 transitions. [2022-11-02 21:10:00,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 21:10:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1051 transitions. [2022-11-02 21:10:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-02 21:10:00,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:00,656 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:00,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:00,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:00,883 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:10:00,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:00,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1166861276, now seen corresponding path program 1 times [2022-11-02 21:10:00,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:00,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653888621] [2022-11-02 21:10:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 21:10:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:10:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:10:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:10:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:10:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-02 21:10:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 21:10:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 21:10:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 21:10:01,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:01,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653888621] [2022-11-02 21:10:01,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653888621] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:01,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110454330] [2022-11-02 21:10:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:01,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:10:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:01,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:10:01,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 21:10:01,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:01,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110454330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:01,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:10:01,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-11-02 21:10:01,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319144835] [2022-11-02 21:10:01,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:01,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 21:10:01,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:01,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 21:10:01,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-11-02 21:10:01,561 INFO L87 Difference]: Start difference. First operand 861 states and 1051 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 21:10:01,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:01,764 INFO L93 Difference]: Finished difference Result 1482 states and 1832 transitions. [2022-11-02 21:10:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:10:01,765 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 125 [2022-11-02 21:10:01,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:01,765 INFO L225 Difference]: With dead ends: 1482 [2022-11-02 21:10:01,766 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:10:01,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-11-02 21:10:01,770 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 81 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:01,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1072 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:01,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:10:01,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:10:01,771 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 21:10:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:10:01,772 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 125 [2022-11-02 21:10:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:01,772 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:10:01,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-02 21:10:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:10:01,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:10:01,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:10:01,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:01,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:01,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:10:06,401 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 238 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-02 21:10:06,402 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 238 245) no Hoare annotation was computed. [2022-11-02 21:10:06,402 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 238 245) no Hoare annotation was computed. [2022-11-02 21:10:06,402 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2022-11-02 21:10:06,402 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2022-11-02 21:10:06,402 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-02 21:10:06,402 INFO L895 garLoopResultBuilder]: At program point L172(line 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-02 21:10:06,403 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 178) no Hoare annotation was computed. [2022-11-02 21:10:06,403 INFO L895 garLoopResultBuilder]: At program point L583(lines 578 586) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-02 21:10:06,403 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 183) no Hoare annotation was computed. [2022-11-02 21:10:06,403 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-02 21:10:06,403 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2022-11-02 21:10:06,403 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 162 186) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-02 21:10:06,404 INFO L895 garLoopResultBuilder]: At program point L336(lines 321 339) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 162 186) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 511 522) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 511 522) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 511 522) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 589 618) no Hoare annotation was computed. [2022-11-02 21:10:06,404 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 589 618) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2022-11-02 21:10:06,405 INFO L902 garLoopResultBuilder]: At program point L603-1(lines 603 607) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L899 garLoopResultBuilder]: For program point L600(line 600) no Hoare annotation was computed. [2022-11-02 21:10:06,405 INFO L902 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L902 garLoopResultBuilder]: At program point L595(line 595) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L899 garLoopResultBuilder]: For program point L595-1(line 595) no Hoare annotation was computed. [2022-11-02 21:10:06,405 INFO L902 garLoopResultBuilder]: At program point L614(lines 589 618) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L899 garLoopResultBuilder]: For program point L610(line 610) no Hoare annotation was computed. [2022-11-02 21:10:06,405 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 523 531) the Hoare annotation is: true [2022-11-02 21:10:06,405 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 523 531) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 523 531) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 209) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 104 127) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L895 garLoopResultBuilder]: At program point L441(lines 436 443) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 115 121) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2022-11-02 21:10:06,406 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 479) no Hoare annotation was computed. [2022-11-02 21:10:06,407 INFO L895 garLoopResultBuilder]: At program point L462-1(lines 454 482) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~7#1| 0)) (.cse2 (not .cse3)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) .cse5 (and (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse4 .cse2) .cse3) (or .cse6 .cse5 (and .cse1 .cse4) .cse2) (or .cse6 .cse1 .cse0) (or .cse6 .cse0 .cse7) (or .cse6 .cse5 .cse7)))) [2022-11-02 21:10:06,407 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2022-11-02 21:10:06,407 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-11-02 21:10:06,407 INFO L895 garLoopResultBuilder]: At program point L491-2(lines 487 498) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-02 21:10:06,407 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse2 (and .cse3 (<= 1 |timeShift_processEnvironment_~tmp~2#1|)) .cse4) (or .cse3 .cse1 .cse4))) [2022-11-02 21:10:06,407 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-02 21:10:06,408 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2022-11-02 21:10:06,408 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 473) no Hoare annotation was computed. [2022-11-02 21:10:06,408 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not .cse2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse5) (or .cse4 .cse3 .cse5)))) [2022-11-02 21:10:06,408 INFO L895 garLoopResultBuilder]: At program point L207-1(lines 188 212) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse2 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse2) (or .cse0 .cse5 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 2 ~waterLevel~0) .cse3 .cse6)))) [2022-11-02 21:10:06,408 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 107 126) no Hoare annotation was computed. [2022-11-02 21:10:06,408 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 104 127) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2)))) [2022-11-02 21:10:06,409 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse4 .cse6)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not .cse3)) (or .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5) (or .cse0 .cse2 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2022-11-02 21:10:06,409 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2022-11-02 21:10:06,409 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 104 127) no Hoare annotation was computed. [2022-11-02 21:10:06,409 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2022-11-02 21:10:06,409 INFO L895 garLoopResultBuilder]: At program point L262(lines 257 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse4 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse5))) [2022-11-02 21:10:06,409 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 204) no Hoare annotation was computed. [2022-11-02 21:10:06,409 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 678) no Hoare annotation was computed. [2022-11-02 21:10:06,410 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2022-11-02 21:10:06,410 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 407 422) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-11-02 21:10:06,410 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 678) no Hoare annotation was computed. [2022-11-02 21:10:06,410 INFO L899 garLoopResultBuilder]: For program point L378(lines 377 426) no Hoare annotation was computed. [2022-11-02 21:10:06,410 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 422) no Hoare annotation was computed. [2022-11-02 21:10:06,410 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2022-11-02 21:10:06,410 INFO L895 garLoopResultBuilder]: At program point L424(lines 377 426) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2022-11-02 21:10:06,411 INFO L902 garLoopResultBuilder]: At program point L680(lines 661 683) the Hoare annotation is: true [2022-11-02 21:10:06,411 INFO L895 garLoopResultBuilder]: At program point L647(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:10:06,411 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 383) no Hoare annotation was computed. [2022-11-02 21:10:06,412 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 21:10:06,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:10:06,412 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 21:10:06,412 INFO L902 garLoopResultBuilder]: At program point L430(lines 367 434) the Hoare annotation is: true [2022-11-02 21:10:06,412 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2022-11-02 21:10:06,412 INFO L899 garLoopResultBuilder]: For program point L397-1(lines 397 403) no Hoare annotation was computed. [2022-11-02 21:10:06,412 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 21:10:06,413 INFO L895 garLoopResultBuilder]: At program point L360(lines 355 362) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 21:10:06,413 INFO L895 garLoopResultBuilder]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2022-11-02 21:10:06,413 INFO L895 garLoopResultBuilder]: At program point L451(lines 446 453) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 21:10:06,413 INFO L895 garLoopResultBuilder]: At program point L352(lines 340 354) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-11-02 21:10:06,413 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 350) no Hoare annotation was computed. [2022-11-02 21:10:06,413 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2022-11-02 21:10:06,413 INFO L902 garLoopResultBuilder]: At program point L658(lines 650 660) the Hoare annotation is: true [2022-11-02 21:10:06,413 INFO L895 garLoopResultBuilder]: At program point L427(lines 376 428) the Hoare annotation is: false [2022-11-02 21:10:06,414 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 21:10:06,414 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 136 160) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-02 21:10:06,414 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-02 21:10:06,414 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2022-11-02 21:10:06,414 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2022-11-02 21:10:06,414 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2022-11-02 21:10:06,415 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-02 21:10:06,415 INFO L895 garLoopResultBuilder]: At program point L228-2(lines 221 237) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (and (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|) (= ~pumpRunning~0 0) .cse0)))) [2022-11-02 21:10:06,415 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2022-11-02 21:10:06,415 INFO L895 garLoopResultBuilder]: At program point L573(lines 564 577) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse2 .cse3 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse1 .cse3))))) [2022-11-02 21:10:06,415 INFO L895 garLoopResultBuilder]: At program point L317(lines 302 320) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2022-11-02 21:10:06,415 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 136 160) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L895 garLoopResultBuilder]: At program point L218(lines 213 220) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (not .cse0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1)))) [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 499 510) no Hoare annotation was computed. [2022-11-02 21:10:06,416 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 499 510) no Hoare annotation was computed. [2022-11-02 21:10:06,417 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 499 510) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 .cse1))) [2022-11-02 21:10:06,417 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 246 256) the Hoare annotation is: true [2022-11-02 21:10:06,417 INFO L902 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: true [2022-11-02 21:10:06,417 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 246 256) no Hoare annotation was computed. [2022-11-02 21:10:06,417 INFO L899 garLoopResultBuilder]: For program point L251-1(line 251) no Hoare annotation was computed. [2022-11-02 21:10:06,417 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 246 256) no Hoare annotation was computed. [2022-11-02 21:10:06,420 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:06,422 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:10:06,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:10:06 BoogieIcfgContainer [2022-11-02 21:10:06,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:10:06,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:10:06,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:10:06,448 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:10:06,448 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:09:54" (3/4) ... [2022-11-02 21:10:06,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:10:06,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 21:10:06,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 21:10:06,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 21:10:06,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 21:10:06,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-02 21:10:06,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 21:10:06,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 21:10:06,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 21:10:06,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:10:06,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:10:06,468 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:10:06,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 21:10:06,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 21:10:06,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 21:10:06,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-02 21:10:06,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-02 21:10:06,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || ((pumpRunning == 0 && tmp == 0) && !(0 == systemActive))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && tmp == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2022-11-02 21:10:06,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive) [2022-11-02 21:10:06,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-02 21:10:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((methaneLevelCritical == tmp && pumpRunning == 0) && 2 <= waterLevel)) [2022-11-02 21:10:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) [2022-11-02 21:10:06,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-02 21:10:06,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:10:06,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:10:06,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:10:06,560 INFO L158 Benchmark]: Toolchain (without parser) took 13940.04ms. Allocated memory was 90.2MB in the beginning and 224.4MB in the end (delta: 134.2MB). Free memory was 54.6MB in the beginning and 179.8MB in the end (delta: -125.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,560 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:10:06,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.59ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 83.6MB in the end (delta: -29.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 81.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,561 INFO L158 Benchmark]: Boogie Preprocessor took 70.05ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 79.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,562 INFO L158 Benchmark]: RCFGBuilder took 661.99ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 89.2MB in the end (delta: -10.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,563 INFO L158 Benchmark]: TraceAbstraction took 12394.30ms. Allocated memory was 115.3MB in the beginning and 224.4MB in the end (delta: 109.1MB). Free memory was 88.7MB in the beginning and 186.1MB in the end (delta: -97.4MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,564 INFO L158 Benchmark]: Witness Printer took 111.44ms. Allocated memory is still 224.4MB. Free memory was 186.1MB in the beginning and 179.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:10:06,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.59ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.4MB in the beginning and 83.6MB in the end (delta: -29.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 115.3MB. Free memory was 83.6MB in the beginning and 81.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.05ms. Allocated memory is still 115.3MB. Free memory was 81.0MB in the beginning and 79.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.99ms. Allocated memory is still 115.3MB. Free memory was 79.1MB in the beginning and 89.2MB in the end (delta: -10.1MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12394.30ms. Allocated memory was 115.3MB in the beginning and 224.4MB in the end (delta: 109.1MB). Free memory was 88.7MB in the beginning and 186.1MB in the end (delta: -97.4MB). Peak memory consumption was 133.7MB. Max. memory is 16.1GB. * Witness Printer took 111.44ms. Allocated memory is still 224.4MB. Free memory was 186.1MB in the beginning and 179.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1386 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1343 mSDsluCounter, 5174 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3661 mSDsCounter, 402 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1997 IncrementalHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 402 mSolverCounterUnsat, 1513 mSDtfsCounter, 1997 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=8, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 92 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 1800 PreInvPairs, 2095 NumberOfFragments, 1689 HoareAnnotationTreeSize, 1800 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 53 FomulaSimplificationsInter, 12344 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 867 ConstructedInterpolants, 0 QuantifiedInterpolants, 1448 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1094 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 198/216 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: 340]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive) || (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: ((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((methaneLevelCritical == tmp && pumpRunning == 0) && 2 <= waterLevel)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || ((pumpRunning == 0 && tmp == 0) && !(0 == systemActive))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && tmp == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-02 21:10:06,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8160b8-3a06-4935-82a2-6a817dcb7408/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