./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/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_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/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_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- 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 21:05:41,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:05:41,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:05:41,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:05:41,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:05:41,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:05:41,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:05:41,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:05:41,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:05:41,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:05:41,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:05:41,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:05:41,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:05:41,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:05:41,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:05:41,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:05:41,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:05:41,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:05:41,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:05:41,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:05:41,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:05:41,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:05:41,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:05:41,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:05:41,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:05:41,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:05:41,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:05:41,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:05:41,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:05:41,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:05:41,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:05:41,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:05:41,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:05:41,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:05:41,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:05:41,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:05:41,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:05:41,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:05:41,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:05:41,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:05:41,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:05:41,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:05:41,307 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:05:41,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:05:41,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:05:41,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:05:41,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:05:41,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:05:41,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:05:41,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:05:41,312 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:05:41,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:05:41,313 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:05:41,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:05:41,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:05:41,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:05:41,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:05:41,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:05:41,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:05:41,315 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:05:41,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:05:41,316 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:05:41,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:05:41,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:05:41,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:05:41,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:05:41,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:41,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:05:41,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:05:41,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:05:41,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:05:41,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:05:41,319 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:05:41,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:05:41,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:05:41,320 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_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2022-11-02 21:05:41,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:05:41,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:05:41,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:05:41,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:05:41,664 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:05:41,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2022-11-02 21:05:41,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/data/b09948e8d/10f3b98a152849edb0e352a12889d2d2/FLAG4e55b0042 [2022-11-02 21:05:42,258 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:05:42,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2022-11-02 21:05:42,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/data/b09948e8d/10f3b98a152849edb0e352a12889d2d2/FLAG4e55b0042 [2022-11-02 21:05:42,590 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/data/b09948e8d/10f3b98a152849edb0e352a12889d2d2 [2022-11-02 21:05:42,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:05:42,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:05:42,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:42,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:05:42,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:05:42,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:42" (1/1) ... [2022-11-02 21:05:42,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6590a4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:42, skipping insertion in model container [2022-11-02 21:05:42,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:42" (1/1) ... [2022-11-02 21:05:42,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:05:42,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:42,926 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_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2022-11-02 21:05:43,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:43,091 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:05:43,131 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_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2022-11-02 21:05:43,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:43,234 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:05:43,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43 WrapperNode [2022-11-02 21:05:43,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:43,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:43,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:05:43,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:05:43,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,290 INFO L138 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 271 [2022-11-02 21:05:43,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:43,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:05:43,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:05:43,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:05:43,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:05:43,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:05:43,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:05:43,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:05:43,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (1/1) ... [2022-11-02 21:05:43,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:05:43,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:43,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:43,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:05:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:05:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 21:05:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 21:05:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 21:05:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 21:05:43,425 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 21:05:43,425 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 21:05:43,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 21:05:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 21:05:43,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:05:43,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:05:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 21:05:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 21:05:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 21:05:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 21:05:43,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:05:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 21:05:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 21:05:43,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:05:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:05:43,505 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:05:43,507 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:43,920 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:43,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:43,928 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:05:43,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:43 BoogieIcfgContainer [2022-11-02 21:05:43,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:43,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:05:43,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:05:43,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:05:43,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:05:42" (1/3) ... [2022-11-02 21:05:43,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41129c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:43, skipping insertion in model container [2022-11-02 21:05:43,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:43" (2/3) ... [2022-11-02 21:05:43,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41129c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:05:43, skipping insertion in model container [2022-11-02 21:05:43,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:43" (3/3) ... [2022-11-02 21:05:43,940 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2022-11-02 21:05:43,958 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:05:43,958 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:05:44,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:05:44,018 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;@6c02fc35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:05:44,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:05:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-02 21:05:44,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 21:05:44,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:44,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:44,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:44,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:44,041 INFO L85 PathProgramCache]: Analyzing trace with hash 896796979, now seen corresponding path program 1 times [2022-11-02 21:05:44,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:44,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225381102] [2022-11-02 21:05:44,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:44,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:05:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,330 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 21:05:44,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:44,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225381102] [2022-11-02 21:05:44,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225381102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:44,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:44,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:05:44,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180818596] [2022-11-02 21:05:44,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:44,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:05:44,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:44,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:05:44,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:05:44,383 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:44,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:44,429 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2022-11-02 21:05:44,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:05:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-02 21:05:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:44,440 INFO L225 Difference]: With dead ends: 188 [2022-11-02 21:05:44,440 INFO L226 Difference]: Without dead ends: 89 [2022-11-02 21:05:44,444 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 21:05:44,448 INFO L413 NwaCegarLoop]: 124 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, 124 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 21:05:44,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-02 21:05:44,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-11-02 21:05:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-02 21:05:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2022-11-02 21:05:44,515 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 23 [2022-11-02 21:05:44,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:44,515 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2022-11-02 21:05:44,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2022-11-02 21:05:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:05:44,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:44,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:44,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:05:44,530 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:44,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:44,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1625202696, now seen corresponding path program 1 times [2022-11-02 21:05:44,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:44,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556523673] [2022-11-02 21:05:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:44,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:05:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,679 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 21:05:44,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:44,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556523673] [2022-11-02 21:05:44,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556523673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:44,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:44,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:05:44,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701225223] [2022-11-02 21:05:44,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:44,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:05:44,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:44,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:05:44,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:05:44,683 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:44,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:44,702 INFO L93 Difference]: Finished difference Result 140 states and 180 transitions. [2022-11-02 21:05:44,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:05:44,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-02 21:05:44,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:44,704 INFO L225 Difference]: With dead ends: 140 [2022-11-02 21:05:44,704 INFO L226 Difference]: Without dead ends: 80 [2022-11-02 21:05:44,705 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 21:05:44,707 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 183 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 21:05:44,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-02 21:05:44,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-02 21:05:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 69 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-02 21:05:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-02 21:05:44,730 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 24 [2022-11-02 21:05:44,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:44,731 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-02 21:05:44,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-02 21:05:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 21:05:44,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:44,736 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:44,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:05:44,736 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:44,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:44,737 INFO L85 PathProgramCache]: Analyzing trace with hash 2098135563, now seen corresponding path program 1 times [2022-11-02 21:05:44,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:44,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431988890] [2022-11-02 21:05:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:05:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:44,939 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 21:05:44,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:44,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431988890] [2022-11-02 21:05:44,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431988890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:44,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:44,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:44,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616925049] [2022-11-02 21:05:44,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:44,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:44,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:44,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:44,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:44,942 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:45,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:45,208 INFO L93 Difference]: Finished difference Result 267 states and 350 transitions. [2022-11-02 21:05:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:05:45,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-02 21:05:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:45,212 INFO L225 Difference]: With dead ends: 267 [2022-11-02 21:05:45,212 INFO L226 Difference]: Without dead ends: 194 [2022-11-02 21:05:45,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:05:45,214 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 277 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:45,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 459 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:05:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-02 21:05:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2022-11-02 21:05:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 159 states have internal predecessors, (191), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2022-11-02 21:05:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2022-11-02 21:05:45,257 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 28 [2022-11-02 21:05:45,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:45,258 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2022-11-02 21:05:45,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2022-11-02 21:05:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 21:05:45,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:45,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:45,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:05:45,260 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:45,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:45,261 INFO L85 PathProgramCache]: Analyzing trace with hash -440127999, now seen corresponding path program 1 times [2022-11-02 21:05:45,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:45,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78414536] [2022-11-02 21:05:45,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:45,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:05:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,461 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 21:05:45,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:45,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78414536] [2022-11-02 21:05:45,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78414536] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:45,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:45,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:45,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992198705] [2022-11-02 21:05:45,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:45,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:45,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:45,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:45,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:45,464 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:45,639 INFO L93 Difference]: Finished difference Result 551 states and 734 transitions. [2022-11-02 21:05:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:45,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-02 21:05:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:45,651 INFO L225 Difference]: With dead ends: 551 [2022-11-02 21:05:45,652 INFO L226 Difference]: Without dead ends: 370 [2022-11-02 21:05:45,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:05:45,661 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 74 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:45,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 504 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:05:45,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-11-02 21:05:45,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2022-11-02 21:05:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 303 states have internal predecessors, (359), 54 states have call successors, (54), 38 states have call predecessors, (54), 38 states have return successors, (59), 38 states have call predecessors, (59), 54 states have call successors, (59) [2022-11-02 21:05:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 472 transitions. [2022-11-02 21:05:45,738 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 472 transitions. Word has length 32 [2022-11-02 21:05:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:45,739 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 472 transitions. [2022-11-02 21:05:45,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:05:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 472 transitions. [2022-11-02 21:05:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 21:05:45,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:45,753 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, 1, 1] [2022-11-02 21:05:45,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:05:45,754 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:45,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1869434011, now seen corresponding path program 1 times [2022-11-02 21:05:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:45,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958119420] [2022-11-02 21:05:45,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:45,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 21:05:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 21:05:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:45,926 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 21:05:45,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:45,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958119420] [2022-11-02 21:05:45,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958119420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:45,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:45,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:45,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860975802] [2022-11-02 21:05:45,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:45,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:45,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:45,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:45,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:45,930 INFO L87 Difference]: Start difference. First operand 361 states and 472 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:05:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:46,282 INFO L93 Difference]: Finished difference Result 882 states and 1178 transitions. [2022-11-02 21:05:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:46,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-02 21:05:46,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:46,289 INFO L225 Difference]: With dead ends: 882 [2022-11-02 21:05:46,289 INFO L226 Difference]: Without dead ends: 528 [2022-11-02 21:05:46,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:05:46,296 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 124 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:46,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 198 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:05:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-02 21:05:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 509. [2022-11-02 21:05:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 380 states have (on average 1.2842105263157895) internal successors, (488), 417 states have internal predecessors, (488), 68 states have call successors, (68), 60 states have call predecessors, (68), 60 states have return successors, (93), 62 states have call predecessors, (93), 68 states have call successors, (93) [2022-11-02 21:05:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 649 transitions. [2022-11-02 21:05:46,400 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 649 transitions. Word has length 36 [2022-11-02 21:05:46,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:46,401 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 649 transitions. [2022-11-02 21:05:46,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:05:46,401 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 649 transitions. [2022-11-02 21:05:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 21:05:46,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:46,406 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] [2022-11-02 21:05:46,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:05:46,409 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:46,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:46,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1110744655, now seen corresponding path program 1 times [2022-11-02 21:05:46,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:46,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352925687] [2022-11-02 21:05:46,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 21:05:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:05:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:05:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:46,615 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 21:05:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:46,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352925687] [2022-11-02 21:05:46,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352925687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:46,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:46,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:05:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314336451] [2022-11-02 21:05:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:46,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:05:46,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:46,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:05:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:05:46,620 INFO L87 Difference]: Start difference. First operand 509 states and 649 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:05:46,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:46,995 INFO L93 Difference]: Finished difference Result 1125 states and 1470 transitions. [2022-11-02 21:05:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:05:46,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 21:05:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:47,001 INFO L225 Difference]: With dead ends: 1125 [2022-11-02 21:05:47,002 INFO L226 Difference]: Without dead ends: 623 [2022-11-02 21:05:47,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:05:47,009 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 133 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:47,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 214 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:05:47,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-11-02 21:05:47,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 601. [2022-11-02 21:05:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 452 states have (on average 1.252212389380531) internal successors, (566), 489 states have internal predecessors, (566), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2022-11-02 21:05:47,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 755 transitions. [2022-11-02 21:05:47,100 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 755 transitions. Word has length 54 [2022-11-02 21:05:47,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:47,101 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 755 transitions. [2022-11-02 21:05:47,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:05:47,101 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 755 transitions. [2022-11-02 21:05:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 21:05:47,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:47,103 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] [2022-11-02 21:05:47,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:05:47,104 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:47,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:47,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1172784269, now seen corresponding path program 1 times [2022-11-02 21:05:47,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:47,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950367478] [2022-11-02 21:05:47,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:47,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 21:05:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:05:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:05:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,249 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 21:05:47,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:47,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950367478] [2022-11-02 21:05:47,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950367478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:47,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:47,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:47,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869152213] [2022-11-02 21:05:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:47,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:47,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:47,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:47,251 INFO L87 Difference]: Start difference. First operand 601 states and 755 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:05:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:47,549 INFO L93 Difference]: Finished difference Result 1229 states and 1584 transitions. [2022-11-02 21:05:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:05:47,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 21:05:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:47,553 INFO L225 Difference]: With dead ends: 1229 [2022-11-02 21:05:47,553 INFO L226 Difference]: Without dead ends: 635 [2022-11-02 21:05:47,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:05:47,556 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 137 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:47,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 187 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:05:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-11-02 21:05:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 609. [2022-11-02 21:05:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 460 states have (on average 1.2478260869565216) internal successors, (574), 497 states have internal predecessors, (574), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2022-11-02 21:05:47,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 763 transitions. [2022-11-02 21:05:47,606 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 763 transitions. Word has length 54 [2022-11-02 21:05:47,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:47,606 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 763 transitions. [2022-11-02 21:05:47,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:05:47,606 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 763 transitions. [2022-11-02 21:05:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 21:05:47,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:47,608 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] [2022-11-02 21:05:47,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:05:47,608 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:47,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 663311179, now seen corresponding path program 1 times [2022-11-02 21:05:47,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:47,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771827366] [2022-11-02 21:05:47,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:47,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 21:05:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 21:05:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:05:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:47,712 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 21:05:47,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:47,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771827366] [2022-11-02 21:05:47,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771827366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:47,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:47,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:05:47,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348763927] [2022-11-02 21:05:47,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:47,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:05:47,714 INFO L87 Difference]: Start difference. First operand 609 states and 763 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 21:05:48,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:48,188 INFO L93 Difference]: Finished difference Result 1817 states and 2376 transitions. [2022-11-02 21:05:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 21:05:48,188 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2022-11-02 21:05:48,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:48,194 INFO L225 Difference]: With dead ends: 1817 [2022-11-02 21:05:48,194 INFO L226 Difference]: Without dead ends: 1215 [2022-11-02 21:05:48,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:05:48,197 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 320 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:48,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 250 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:05:48,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-11-02 21:05:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1203. [2022-11-02 21:05:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 904 states have (on average 1.2234513274336283) internal successors, (1106), 965 states have internal predecessors, (1106), 154 states have call successors, (154), 142 states have call predecessors, (154), 144 states have return successors, (257), 150 states have call predecessors, (257), 154 states have call successors, (257) [2022-11-02 21:05:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1517 transitions. [2022-11-02 21:05:48,295 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1517 transitions. Word has length 54 [2022-11-02 21:05:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:48,297 INFO L495 AbstractCegarLoop]: Abstraction has 1203 states and 1517 transitions. [2022-11-02 21:05:48,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 21:05:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1517 transitions. [2022-11-02 21:05:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-02 21:05:48,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:48,301 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] [2022-11-02 21:05:48,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:05:48,301 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:48,302 INFO L85 PathProgramCache]: Analyzing trace with hash 740773105, now seen corresponding path program 1 times [2022-11-02 21:05:48,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110494257] [2022-11-02 21:05:48,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:05:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 21:05:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 21:05:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 21:05:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:05:48,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:48,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110494257] [2022-11-02 21:05:48,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110494257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:05:48,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975859107] [2022-11-02 21:05:48,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:48,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:48,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:48,573 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:48,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:05:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:48,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 21:05:48,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:48,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:48,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:48,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975859107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:48,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:05:48,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2022-11-02 21:05:48,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545335677] [2022-11-02 21:05:48,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:48,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:05:48,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:48,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:05:48,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-02 21:05:48,975 INFO L87 Difference]: Start difference. First operand 1203 states and 1517 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 21:05:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:49,234 INFO L93 Difference]: Finished difference Result 2357 states and 2985 transitions. [2022-11-02 21:05:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:05:49,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2022-11-02 21:05:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:49,242 INFO L225 Difference]: With dead ends: 2357 [2022-11-02 21:05:49,242 INFO L226 Difference]: Without dead ends: 1161 [2022-11-02 21:05:49,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-02 21:05:49,251 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 78 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:49,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 541 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:05:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2022-11-02 21:05:49,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1157. [2022-11-02 21:05:49,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 868 states have (on average 1.2085253456221199) internal successors, (1049), 927 states have internal predecessors, (1049), 150 states have call successors, (150), 138 states have call predecessors, (150), 138 states have return successors, (224), 144 states have call predecessors, (224), 150 states have call successors, (224) [2022-11-02 21:05:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1423 transitions. [2022-11-02 21:05:49,355 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1423 transitions. Word has length 58 [2022-11-02 21:05:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:49,355 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1423 transitions. [2022-11-02 21:05:49,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 21:05:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1423 transitions. [2022-11-02 21:05:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-02 21:05:49,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:49,362 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-02 21:05:49,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:49,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-02 21:05:49,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:49,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2065692327, now seen corresponding path program 1 times [2022-11-02 21:05:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:49,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5904404] [2022-11-02 21:05:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:05:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:05:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 21:05:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 21:05:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:05:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-02 21:05:49,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:49,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5904404] [2022-11-02 21:05:49,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5904404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:05:49,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913608523] [2022-11-02 21:05:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:49,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:49,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:49,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:49,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:05:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:50,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 21:05:50,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:05:50,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:50,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913608523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:05:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2022-11-02 21:05:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422341021] [2022-11-02 21:05:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:50,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:05:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:50,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:05:50,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:05:50,151 INFO L87 Difference]: Start difference. First operand 1157 states and 1423 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 21:05:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:50,532 INFO L93 Difference]: Finished difference Result 3043 states and 3934 transitions. [2022-11-02 21:05:50,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:05:50,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2022-11-02 21:05:50,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:50,543 INFO L225 Difference]: With dead ends: 3043 [2022-11-02 21:05:50,544 INFO L226 Difference]: Without dead ends: 2137 [2022-11-02 21:05:50,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 111 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:05:50,550 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 179 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:50,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 751 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:05:50,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2022-11-02 21:05:50,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1785. [2022-11-02 21:05:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1336 states have (on average 1.2050898203592815) internal successors, (1610), 1427 states have internal predecessors, (1610), 234 states have call successors, (234), 198 states have call predecessors, (234), 214 states have return successors, (391), 224 states have call predecessors, (391), 234 states have call successors, (391) [2022-11-02 21:05:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2235 transitions. [2022-11-02 21:05:50,712 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2235 transitions. Word has length 96 [2022-11-02 21:05:50,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:50,714 INFO L495 AbstractCegarLoop]: Abstraction has 1785 states and 2235 transitions. [2022-11-02 21:05:50,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 21:05:50,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2235 transitions. [2022-11-02 21:05:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-02 21:05:50,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:05:50,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-02 21:05:50,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:50,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 21:05:50,949 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:05:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:50,949 INFO L85 PathProgramCache]: Analyzing trace with hash 260253993, now seen corresponding path program 1 times [2022-11-02 21:05:50,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:50,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898830078] [2022-11-02 21:05:50,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:05:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:05:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 21:05:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:05:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:05:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 21:05:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 21:05:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:05:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:05:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-02 21:05:51,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:51,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898830078] [2022-11-02 21:05:51,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898830078] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:05:51,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521422197] [2022-11-02 21:05:51,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:51,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:51,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:51,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:05:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:51,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:05:51,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 21:05:51,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:51,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521422197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:51,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:05:51,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-02 21:05:51,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965045987] [2022-11-02 21:05:51,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:51,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:05:51,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:51,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:05:51,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:05:51,278 INFO L87 Difference]: Start difference. First operand 1785 states and 2235 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 21:05:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:51,423 INFO L93 Difference]: Finished difference Result 2505 states and 3119 transitions. [2022-11-02 21:05:51,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:51,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2022-11-02 21:05:51,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:05:51,424 INFO L225 Difference]: With dead ends: 2505 [2022-11-02 21:05:51,425 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:05:51,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:05:51,431 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 33 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:05:51,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 371 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:05:51,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:05:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:05:51,432 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 21:05:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:05:51,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-11-02 21:05:51,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:05:51,433 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:05:51,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 21:05:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:05:51,434 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:05:51,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:05:51,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:51,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 21:05:51,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:05:58,082 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 383 390) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2022-11-02 21:05:58,083 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 383 390) no Hoare annotation was computed. [2022-11-02 21:05:58,083 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 383 390) no Hoare annotation was computed. [2022-11-02 21:05:58,083 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 298 304) no Hoare annotation was computed. [2022-11-02 21:05:58,083 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 298 304) the Hoare annotation is: true [2022-11-02 21:05:58,083 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse0 .cse2 .cse4 (= 0 ~systemActive~0)))) [2022-11-02 21:05:58,084 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-11-02 21:05:58,084 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-11-02 21:05:58,084 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 906 935) no Hoare annotation was computed. [2022-11-02 21:05:58,084 INFO L899 garLoopResultBuilder]: For program point L927(line 927) no Hoare annotation was computed. [2022-11-02 21:05:58,084 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 906 935) the Hoare annotation is: true [2022-11-02 21:05:58,084 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2022-11-02 21:05:58,085 INFO L902 garLoopResultBuilder]: At program point L920-1(lines 920 924) the Hoare annotation is: true [2022-11-02 21:05:58,085 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2022-11-02 21:05:58,085 INFO L902 garLoopResultBuilder]: At program point L916-2(lines 916 930) the Hoare annotation is: true [2022-11-02 21:05:58,085 INFO L902 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: true [2022-11-02 21:05:58,085 INFO L899 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2022-11-02 21:05:58,085 INFO L902 garLoopResultBuilder]: At program point L931(lines 906 935) the Hoare annotation is: true [2022-11-02 21:05:58,086 INFO L895 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse5 .cse1) (or .cse0 .cse6 .cse2 .cse3))) [2022-11-02 21:05:58,086 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-11-02 21:05:58,086 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0) (or .cse6 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6))) [2022-11-02 21:05:58,087 INFO L895 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (= 0 ~systemActive~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse0 (<= 2 ~waterLevel~0) .cse4 .cse5) (or .cse6 .cse7 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse4 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse6) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse3 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) .cse7 .cse5))) [2022-11-02 21:05:58,087 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 274 297) no Hoare annotation was computed. [2022-11-02 21:05:58,087 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-02 21:05:58,087 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or .cse6 .cse3 .cse4 .cse5))) [2022-11-02 21:05:58,088 INFO L895 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2))) [2022-11-02 21:05:58,088 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse1))) [2022-11-02 21:05:58,088 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~waterLevel~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse6 (not .cse3))) (.cse11 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse8 .cse7 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse4) (or .cse5 .cse9 .cse0 .cse10) (or .cse5 .cse1 .cse11 .cse0) (or .cse5 .cse9 .cse7 .cse10) (or .cse5 .cse1 .cse8 .cse11 .cse7)))) [2022-11-02 21:05:58,088 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2022-11-02 21:05:58,089 INFO L895 garLoopResultBuilder]: At program point L194(lines 189 196) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2))) [2022-11-02 21:05:58,089 INFO L895 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not .cse7))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse2 (and .cse8 .cse9 (= ~waterLevel~0 1) .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse8 .cse9 (<= 2 ~waterLevel~0) .cse10)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse3 .cse5 .cse6) (or .cse0 .cse4 .cse5 .cse6) (or .cse3 .cse5 .cse7 .cse6) (or .cse4 (and .cse8 .cse9) .cse7 .cse6))))) [2022-11-02 21:05:58,089 INFO L895 garLoopResultBuilder]: At program point L351-1(lines 332 356) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not .cse4)) (.cse2 (= ~pumpRunning~0 0))) (let ((.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse11)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and (<= 2 ~waterLevel~0) .cse11)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse10 .cse9 .cse5) (or .cse10 .cse9 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse0) (or .cse6 .cse10 .cse0 .cse5))))) [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 277 296) no Hoare annotation was computed. [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 348) no Hoare annotation was computed. [2022-11-02 21:05:58,090 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 353) no Hoare annotation was computed. [2022-11-02 21:05:58,091 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 274 297) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0))) (let ((.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= 0 ~systemActive~0)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse6 .cse8) (or .cse0 .cse2 (and .cse3 .cse9) .cse8) (or .cse5 .cse2 .cse7 .cse8) (or .cse0 .cse1 .cse6 .cse4) (or .cse0 .cse3 (not (<= 1 |old(~waterLevel~0)|)) .cse6)))) [2022-11-02 21:05:58,091 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2022-11-02 21:05:58,091 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 184) no Hoare annotation was computed. [2022-11-02 21:05:58,091 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 274 297) no Hoare annotation was computed. [2022-11-02 21:05:58,092 INFO L895 garLoopResultBuilder]: At program point L171-1(lines 163 187) the Hoare annotation is: (let ((.cse16 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse8 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse14 (and .cse16 .cse11 (not .cse8))) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse3 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse4 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ~waterLevel~0 1)) (.cse15 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (and .cse2 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse11 .cse0 .cse9) (or .cse10 .cse12 .cse0 .cse13) (or .cse10 .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse10 .cse14 .cse15 (and .cse1 .cse16 .cse11) .cse9) (or .cse14 .cse15 (and .cse2 .cse1 .cse16 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse10 .cse12 (and .cse1 .cse16 .cse13) .cse15)))) [2022-11-02 21:05:58,092 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2022-11-02 21:05:58,092 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-11-02 21:05:58,092 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-11-02 21:05:58,092 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L895 garLoopResultBuilder]: At program point L259(lines 210 260) the Hoare annotation is: false [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:05:58,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:05:58,094 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2022-11-02 21:05:58,094 INFO L895 garLoopResultBuilder]: At program point L247-2(lines 241 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)) (and .cse5 .cse2 .cse3 .cse4))) [2022-11-02 21:05:58,094 INFO L902 garLoopResultBuilder]: At program point L974(lines 967 976) the Hoare annotation is: true [2022-11-02 21:05:58,094 INFO L895 garLoopResultBuilder]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2022-11-02 21:05:58,094 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2022-11-02 21:05:58,095 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 231 237) no Hoare annotation was computed. [2022-11-02 21:05:58,095 INFO L895 garLoopResultBuilder]: At program point L900(lines 895 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 21:05:58,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:05:58,095 INFO L895 garLoopResultBuilder]: At program point L256(lines 211 258) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2022-11-02 21:05:58,095 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2022-11-02 21:05:58,096 INFO L895 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 21:05:58,096 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 994) no Hoare annotation was computed. [2022-11-02 21:05:58,096 INFO L899 garLoopResultBuilder]: For program point L987-2(lines 987 994) no Hoare annotation was computed. [2022-11-02 21:05:58,096 INFO L902 garLoopResultBuilder]: At program point L996(lines 977 999) the Hoare annotation is: true [2022-11-02 21:05:58,096 INFO L895 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 21:05:58,097 INFO L899 garLoopResultBuilder]: For program point L212(lines 211 258) no Hoare annotation was computed. [2022-11-02 21:05:58,097 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 254) no Hoare annotation was computed. [2022-11-02 21:05:58,097 INFO L895 garLoopResultBuilder]: At program point L497(lines 485 499) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2022-11-02 21:05:58,097 INFO L895 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2022-11-02 21:05:58,097 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2022-11-02 21:05:58,097 INFO L899 garLoopResultBuilder]: For program point L489-1(lines 489 495) no Hoare annotation was computed. [2022-11-02 21:05:58,098 INFO L902 garLoopResultBuilder]: At program point L262(lines 201 266) the Hoare annotation is: true [2022-11-02 21:05:58,098 INFO L895 garLoopResultBuilder]: At program point L964(lines 960 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 21:05:58,098 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 306 330) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2022-11-02 21:05:58,098 INFO L895 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5 (not .cse3))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse3 (and .cse4 .cse5))))) [2022-11-02 21:05:58,099 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 322) no Hoare annotation was computed. [2022-11-02 21:05:58,099 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 327) no Hoare annotation was computed. [2022-11-02 21:05:58,099 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-11-02 21:05:58,099 INFO L895 garLoopResultBuilder]: At program point L362(lines 357 364) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-02 21:05:58,099 INFO L895 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2022-11-02 21:05:58,100 INFO L899 garLoopResultBuilder]: For program point L325-1(lines 306 330) no Hoare annotation was computed. [2022-11-02 21:05:58,100 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 306 330) no Hoare annotation was computed. [2022-11-02 21:05:58,100 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2022-11-02 21:05:58,100 INFO L895 garLoopResultBuilder]: At program point L373-2(lines 366 382) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse2 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2022-11-02 21:05:58,100 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse0 (and .cse1 .cse5) .cse2 .cse3) (or .cse4 .cse0 .cse6 .cse3 .cse5) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse6 .cse3))) [2022-11-02 21:05:58,101 INFO L895 garLoopResultBuilder]: At program point L462(lines 447 465) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse7 .cse4)))) [2022-11-02 21:05:58,101 INFO L895 garLoopResultBuilder]: At program point L398(lines 391 401) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse2 .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|))))) [2022-11-02 21:05:58,101 INFO L895 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3))) [2022-11-02 21:05:58,101 INFO L899 garLoopResultBuilder]: For program point L396-1(line 396) no Hoare annotation was computed. [2022-11-02 21:05:58,101 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2022-11-02 21:05:58,102 INFO L899 garLoopResultBuilder]: For program point L456-2(lines 456 460) no Hoare annotation was computed. [2022-11-02 21:05:58,102 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-11-02 21:05:58,102 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-11-02 21:05:58,102 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2022-11-02 21:05:58,106 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:58,108 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:05:58,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:05:58 BoogieIcfgContainer [2022-11-02 21:05:58,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:05:58,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:05:58,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:05:58,160 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:05:58,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:43" (3/4) ... [2022-11-02 21:05:58,164 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 21:05:58,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 21:05:58,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 21:05:58,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 21:05:58,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-02 21:05:58,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 21:05:58,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 21:05:58,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 21:05:58,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:05:58,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:05:58,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:05:58,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 21:05:58,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 21:05:58,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(methaneLevelCritical == 0) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2022-11-02 21:05:58,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((((2 <= waterLevel && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-02 21:05:58,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && 2 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && tmp == 0) && waterLevel == 1)) || !(methaneLevelCritical == 0)) [2022-11-02 21:05:58,224 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) [2022-11-02 21:05:58,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 21:05:58,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(1 <= methaneLevelCritical) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 21:05:58,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:05:58,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:05:58,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-02 21:05:58,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((!(1 <= methaneLevelCritical) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 21:05:58,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 21:05:58,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) [2022-11-02 21:05:58,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:05:58,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:05:58,279 INFO L158 Benchmark]: Toolchain (without parser) took 15683.83ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 126.8MB in the beginning and 153.6MB in the end (delta: -26.7MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,280 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:05:58,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.34ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 130.4MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.26ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 127.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,281 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 126.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,282 INFO L158 Benchmark]: RCFGBuilder took 605.34ms. Allocated memory is still 163.6MB. Free memory was 126.3MB in the beginning and 106.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,282 INFO L158 Benchmark]: TraceAbstraction took 14227.23ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 105.9MB in the beginning and 159.8MB in the end (delta: -54.0MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,283 INFO L158 Benchmark]: Witness Printer took 118.82ms. Allocated memory is still 293.6MB. Free memory was 159.8MB in the beginning and 153.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:05:58,285 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 81.8MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.34ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 130.4MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.26ms. Allocated memory is still 163.6MB. Free memory was 130.4MB in the beginning and 127.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 126.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.34ms. Allocated memory is still 163.6MB. Free memory was 126.3MB in the beginning and 106.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14227.23ms. Allocated memory was 163.6MB in the beginning and 293.6MB in the end (delta: 130.0MB). Free memory was 105.9MB in the beginning and 159.8MB in the end (delta: -54.0MB). Peak memory consumption was 141.2MB. Max. memory is 16.1GB. * Witness Printer took 118.82ms. Allocated memory is still 293.6MB. Free memory was 159.8MB in the beginning and 153.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: 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 9 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.1s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1393 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1371 mSDsluCounter, 3782 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2432 mSDsCounter, 342 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1376 IncrementalHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 342 mSolverCounterUnsat, 1350 mSDtfsCounter, 1376 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 333 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1785occurred in iteration=10, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 450 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3373 PreInvPairs, 3758 NumberOfFragments, 2458 HoareAnnotationTreeSize, 3373 FomulaSimplifications, 662 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 16048 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 791 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 129/135 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: 332]: Loop Invariant Derived loop invariant: ((((((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((((2 <= waterLevel && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel == 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (2 <= waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 1 <= waterLevel)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((!(\old(pumpRunning) == 0) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && 2 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && tmp == 0) && waterLevel == 1)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 1 <= waterLevel)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((!(1 <= methaneLevelCritical) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(methaneLevelCritical == 0) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(1 <= methaneLevelCritical) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 21:05:58,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dcecdd5-f6cc-4fdd-8861-86a432ceb562/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