./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/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_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/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_cf76f909-a231-45e6-b13c-8810ee2b249d/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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:30:40,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:30:40,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:30:40,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:30:40,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:30:40,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:30:40,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:30:40,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:30:40,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:30:40,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:30:40,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:30:40,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:30:40,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:30:40,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:30:40,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:30:41,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:30:41,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:30:41,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:30:41,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:30:41,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:30:41,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:30:41,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:30:41,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:30:41,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:30:41,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:30:41,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:30:41,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:30:41,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:30:41,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:30:41,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:30:41,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:30:41,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:30:41,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:30:41,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:30:41,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:30:41,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:30:41,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:30:41,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:30:41,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:30:41,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:30:41,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:30:41,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:30:41,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:30:41,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:30:41,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:30:41,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:30:41,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:30:41,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:30:41,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:30:41,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:30:41,112 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:30:41,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:30:41,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:30:41,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:30:41,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:30:41,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:30:41,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:30:41,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:30:41,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:30:41,116 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:30:41,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:30:41,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:30:41,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:30:41,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:30:41,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:30:41,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:30:41,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:41,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:30:41,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:30:41,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:30:41,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:30:41,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:30:41,120 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:30:41,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:30:41,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:30:41,121 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_cf76f909-a231-45e6-b13c-8810ee2b249d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2022-11-02 20:30:41,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:30:41,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:30:41,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:30:41,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:30:41,533 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:30:41,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-11-02 20:30:41,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/data/f4002eae0/4131feb2c9ad47af98a2501500779a8b/FLAG3fe56a0cb [2022-11-02 20:30:42,246 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:30:42,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2022-11-02 20:30:42,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/data/f4002eae0/4131feb2c9ad47af98a2501500779a8b/FLAG3fe56a0cb [2022-11-02 20:30:42,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/data/f4002eae0/4131feb2c9ad47af98a2501500779a8b [2022-11-02 20:30:42,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:30:42,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:30:42,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:42,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:30:42,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:30:42,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:42" (1/1) ... [2022-11-02 20:30:42,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53480276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:42, skipping insertion in model container [2022-11-02 20:30:42,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:30:42" (1/1) ... [2022-11-02 20:30:42,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:30:42,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:30:42,951 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_cf76f909-a231-45e6-b13c-8810ee2b249d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-11-02 20:30:43,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:43,200 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:30:43,232 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_cf76f909-a231-45e6-b13c-8810ee2b249d/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2022-11-02 20:30:43,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:30:43,363 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:30:43,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43 WrapperNode [2022-11-02 20:30:43,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:30:43,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:43,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:30:43,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:30:43,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,457 INFO L138 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 253 [2022-11-02 20:30:43,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:30:43,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:30:43,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:30:43,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:30:43,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:30:43,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:30:43,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:30:43,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:30:43,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (1/1) ... [2022-11-02 20:30:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:30:43,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:30:43,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:30:43,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:30:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:30:43,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:30:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:30:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:30:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:30:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:30:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:30:43,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:30:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:30:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:30:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:30:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-02 20:30:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-02 20:30:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 20:30:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 20:30:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:30:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:30:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:30:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:30:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:30:43,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:30:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:30:43,772 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:30:43,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:30:44,269 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:30:44,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:30:44,279 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:30:44,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:44 BoogieIcfgContainer [2022-11-02 20:30:44,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:30:44,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:30:44,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:30:44,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:30:44,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:30:42" (1/3) ... [2022-11-02 20:30:44,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2073b016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:44, skipping insertion in model container [2022-11-02 20:30:44,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:30:43" (2/3) ... [2022-11-02 20:30:44,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2073b016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:30:44, skipping insertion in model container [2022-11-02 20:30:44,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:44" (3/3) ... [2022-11-02 20:30:44,293 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2022-11-02 20:30:44,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:30:44,318 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:30:44,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:30:44,394 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;@17a33e7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:30:44,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:30:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-02 20:30:44,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:30:44,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:44,415 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:44,416 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash -759903352, now seen corresponding path program 1 times [2022-11-02 20:30:44,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:44,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584986359] [2022-11-02 20:30:44,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:44,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:44,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:30:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:30:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:44,810 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 20:30:44,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:44,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584986359] [2022-11-02 20:30:44,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584986359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:44,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:44,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:30:44,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857946326] [2022-11-02 20:30:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:44,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:30:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:30:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:30:44,899 INFO L87 Difference]: Start difference. First operand has 100 states, 73 states have (on average 1.356164383561644) internal successors, (99), 82 states have internal predecessors, (99), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:30:44,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:44,946 INFO L93 Difference]: Finished difference Result 191 states and 256 transitions. [2022-11-02 20:30:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:30:44,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-02 20:30:44,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:44,961 INFO L225 Difference]: With dead ends: 191 [2022-11-02 20:30:44,962 INFO L226 Difference]: Without dead ends: 91 [2022-11-02 20:30:44,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:30:44,971 INFO L413 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:44,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:30:44,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-02 20:30:45,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-02 20:30:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.2878787878787878) internal successors, (85), 74 states have internal predecessors, (85), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:30:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2022-11-02 20:30:45,070 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 32 [2022-11-02 20:30:45,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:45,072 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2022-11-02 20:30:45,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:30:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-11-02 20:30:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-02 20:30:45,079 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:45,080 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:30:45,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:30:45,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash 852259136, now seen corresponding path program 1 times [2022-11-02 20:30:45,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:45,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463212739] [2022-11-02 20:30:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:45,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:30:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,311 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 20:30:45,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:45,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463212739] [2022-11-02 20:30:45,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463212739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:45,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:45,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:30:45,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601885088] [2022-11-02 20:30:45,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:45,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:30:45,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:45,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:30:45,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:30:45,317 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:30:45,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:45,367 INFO L93 Difference]: Finished difference Result 256 states and 334 transitions. [2022-11-02 20:30:45,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:30:45,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-02 20:30:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:45,371 INFO L225 Difference]: With dead ends: 256 [2022-11-02 20:30:45,371 INFO L226 Difference]: Without dead ends: 173 [2022-11-02 20:30:45,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:30:45,375 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 91 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:45,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 248 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:30:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-02 20:30:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2022-11-02 20:30:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 121 states have (on average 1.3057851239669422) internal successors, (158), 136 states have internal predecessors, (158), 32 states have call successors, (32), 18 states have call predecessors, (32), 16 states have return successors, (30), 21 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-02 20:30:45,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 220 transitions. [2022-11-02 20:30:45,421 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 220 transitions. Word has length 37 [2022-11-02 20:30:45,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:45,422 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 220 transitions. [2022-11-02 20:30:45,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:30:45,422 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 220 transitions. [2022-11-02 20:30:45,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:30:45,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:30:45,425 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] [2022-11-02 20:30:45,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:30:45,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:30:45,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:30:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1794651926, now seen corresponding path program 1 times [2022-11-02 20:30:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:30:45,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276421964] [2022-11-02 20:30:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:30:45,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:30:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:30:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:30:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:30:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:30:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:30:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:30:45,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:30:45,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276421964] [2022-11-02 20:30:45,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276421964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:30:45,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:30:45,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:30:45,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325828748] [2022-11-02 20:30:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:30:45,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:30:45,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:30:46,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:30:46,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:30:46,001 INFO L87 Difference]: Start difference. First operand 170 states and 220 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:30:46,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:30:46,262 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-11-02 20:30:46,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:30:46,263 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2022-11-02 20:30:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:30:46,265 INFO L225 Difference]: With dead ends: 290 [2022-11-02 20:30:46,265 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:30:46,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:30:46,269 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 69 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:30:46,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 240 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:30:46,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:30:46,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:30:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:30:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:30:46,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2022-11-02 20:30:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:30:46,273 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:30:46,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:30:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:30:46,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:30:46,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:30:46,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:30:46,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:30:46,905 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 255 262) the Hoare annotation is: true [2022-11-02 20:30:46,905 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2022-11-02 20:30:46,906 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 255 262) no Hoare annotation was computed. [2022-11-02 20:30:46,906 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2022-11-02 20:30:46,906 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2022-11-02 20:30:46,907 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 381 392) no Hoare annotation was computed. [2022-11-02 20:30:46,907 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 381 392) the Hoare annotation is: true [2022-11-02 20:30:46,907 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2022-11-02 20:30:46,907 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2022-11-02 20:30:46,908 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,908 INFO L902 garLoopResultBuilder]: At program point L470(lines 445 474) the Hoare annotation is: true [2022-11-02 20:30:46,908 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2022-11-02 20:30:46,908 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2022-11-02 20:30:46,909 INFO L895 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,909 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-02 20:30:46,909 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,910 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,910 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2022-11-02 20:30:46,910 INFO L895 garLoopResultBuilder]: At program point L927(lines 920 929) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,910 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 157) no Hoare annotation was computed. [2022-11-02 20:30:46,911 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2022-11-02 20:30:46,911 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2022-11-02 20:30:46,911 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2022-11-02 20:30:46,911 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,912 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2022-11-02 20:30:46,912 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 144 170) no Hoare annotation was computed. [2022-11-02 20:30:46,912 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,912 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2022-11-02 20:30:46,913 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,913 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,913 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-02 20:30:46,913 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,914 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2022-11-02 20:30:46,914 INFO L895 garLoopResultBuilder]: At program point L430(lines 425 433) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,914 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2022-11-02 20:30:46,914 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2022-11-02 20:30:46,915 INFO L895 garLoopResultBuilder]: At program point L938-1(lines 930 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,915 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,915 INFO L895 garLoopResultBuilder]: At program point L224-1(lines 205 229) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,916 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2022-11-02 20:30:46,916 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,916 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,916 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2022-11-02 20:30:46,917 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2022-11-02 20:30:46,917 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-11-02 20:30:46,917 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-02 20:30:46,918 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 357 368) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,918 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,918 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-11-02 20:30:46,918 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-11-02 20:30:46,919 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2022-11-02 20:30:46,919 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,919 INFO L902 garLoopResultBuilder]: At program point L515(lines 507 517) the Hoare annotation is: true [2022-11-02 20:30:46,919 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:30:46,920 INFO L895 garLoopResultBuilder]: At program point L990(lines 985 993) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:30:46,920 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-11-02 20:30:46,920 INFO L895 garLoopResultBuilder]: At program point L350(lines 338 352) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:30:46,921 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2022-11-02 20:30:46,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:30:46,921 INFO L902 garLoopResultBuilder]: At program point L540(lines 521 543) the Hoare annotation is: true [2022-11-02 20:30:46,922 INFO L895 garLoopResultBuilder]: At program point L503(lines 499 505) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:30:46,922 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,922 INFO L895 garLoopResultBuilder]: At program point L982(lines 978 984) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:30:46,923 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,923 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2022-11-02 20:30:46,923 INFO L899 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2022-11-02 20:30:46,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:30:46,924 INFO L895 garLoopResultBuilder]: At program point L917(lines 912 919) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:30:46,924 INFO L895 garLoopResultBuilder]: At program point L975(lines 971 977) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:30:46,924 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2022-11-02 20:30:46,924 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2022-11-02 20:30:46,925 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (= ~pumpRunning~0 0) [2022-11-02 20:30:46,925 INFO L902 garLoopResultBuilder]: At program point L125(lines 64 129) the Hoare annotation is: true [2022-11-02 20:30:46,925 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2022-11-02 20:30:46,925 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-02 20:30:46,926 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-02 20:30:46,926 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2022-11-02 20:30:46,926 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2022-11-02 20:30:46,926 INFO L899 garLoopResultBuilder]: For program point L373-1(lines 369 380) no Hoare annotation was computed. [2022-11-02 20:30:46,927 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 369 380) the Hoare annotation is: true [2022-11-02 20:30:46,927 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,927 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,927 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2022-11-02 20:30:46,928 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 200) no Hoare annotation was computed. [2022-11-02 20:30:46,928 INFO L895 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,928 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,928 INFO L895 garLoopResultBuilder]: At program point L334(lines 319 337) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:30:46,929 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2022-11-02 20:30:46,929 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 332) no Hoare annotation was computed. [2022-11-02 20:30:46,929 INFO L899 garLoopResultBuilder]: For program point L328-2(lines 328 332) no Hoare annotation was computed. [2022-11-02 20:30:46,929 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:30:46,930 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2022-11-02 20:30:46,930 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2022-11-02 20:30:46,930 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 274 282) the Hoare annotation is: true [2022-11-02 20:30:46,930 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 274 282) no Hoare annotation was computed. [2022-11-02 20:30:46,931 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 263 273) the Hoare annotation is: true [2022-11-02 20:30:46,931 INFO L902 garLoopResultBuilder]: At program point L398(lines 393 401) the Hoare annotation is: true [2022-11-02 20:30:46,931 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2022-11-02 20:30:46,931 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 263 273) no Hoare annotation was computed. [2022-11-02 20:30:46,935 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-02 20:30:46,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:30:46,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:30:46 BoogieIcfgContainer [2022-11-02 20:30:46,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:30:46,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:30:46,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:30:46,958 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:30:46,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:30:44" (3/4) ... [2022-11-02 20:30:46,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:30:46,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:30:46,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:30:46,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:30:46,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:30:46,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:30:46,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:30:46,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:30:46,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-02 20:30:46,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 20:30:46,980 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-02 20:30:46,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:30:46,981 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:30:46,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:30:46,982 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:30:46,983 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:30:46,984 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:30:47,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:30:47,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:30:47,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:30:47,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:30:47,015 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:30:47,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:30:47,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:30:47,017 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:30:47,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:30:47,068 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:30:47,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:30:47,069 INFO L158 Benchmark]: Toolchain (without parser) took 4532.18ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 85.7MB in the beginning and 122.8MB in the end (delta: -37.1MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,070 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:30:47,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.14ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 88.3MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.55ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,071 INFO L158 Benchmark]: Boogie Preprocessor took 73.24ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,071 INFO L158 Benchmark]: RCFGBuilder took 749.87ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 65.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,072 INFO L158 Benchmark]: TraceAbstraction took 2672.15ms. Allocated memory is still 121.6MB. Free memory was 64.6MB in the beginning and 48.6MB in the end (delta: 16.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,072 INFO L158 Benchmark]: Witness Printer took 111.16ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 48.6MB in the beginning and 122.8MB in the end (delta: -74.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-02 20:30:47,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.14ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 88.3MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.55ms. Allocated memory is still 121.6MB. Free memory was 88.3MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.24ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.87ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 65.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2672.15ms. Allocated memory is still 121.6MB. Free memory was 64.6MB in the beginning and 48.6MB in the end (delta: 16.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 111.16ms. Allocated memory was 121.6MB in the beginning and 148.9MB in the end (delta: 27.3MB). Free memory was 48.6MB in the beginning and 122.8MB in the end (delta: -74.2MB). Peak memory consumption was 10.3MB. 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: 54]: 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 10 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 162 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 613 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 332 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 393 PreInvPairs, 452 NumberOfFragments, 213 HoareAnnotationTreeSize, 393 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 509 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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: 74]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: pumpRunning == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:30:47,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf76f909-a231-45e6-b13c-8810ee2b249d/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