./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:50:10,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:50:10,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:50:10,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:50:10,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:50:10,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:50:10,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:50:10,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:50:10,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:50:10,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:50:10,799 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:50:10,799 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:50:10,800 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:50:10,800 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:50:10,801 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:50:10,801 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:50:10,802 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:50:10,803 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:50:10,803 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:50:10,804 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:50:10,804 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:50:10,805 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:50:10,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:50:10,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:50:10,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:50:10,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:50:10,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:50:10,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:50:10,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:50:10,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:50:10,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:50:10,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:50:10,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:50:10,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:50:10,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:50:10,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:50:10,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:50:10,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:50:10,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:50:10,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:50:10,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:50:10,812 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:50:10,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:50:10,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:50:10,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:50:10,813 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:50:10,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:50:10,814 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37bdd92631e81c01c51ebd807d460322f5c06468d29e758a509cd7d583a377da [2023-12-02 15:50:11,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:50:11,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:50:11,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:50:11,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:50:11,062 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:50:11,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2023-12-02 15:50:13,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:50:14,068 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:50:14,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c [2023-12-02 15:50:14,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/data/42f7b7a49/2c60e362267149d09533dea1be3dd1e3/FLAGd6ba904d9 [2023-12-02 15:50:14,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/data/42f7b7a49/2c60e362267149d09533dea1be3dd1e3 [2023-12-02 15:50:14,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:50:14,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:50:14,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:50:14,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:50:14,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:50:14,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dc1b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14, skipping insertion in model container [2023-12-02 15:50:14,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:50:14,393 WARN L240 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_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c[17811,17824] [2023-12-02 15:50:14,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:50:14,411 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:50:14,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-02 15:50:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2023-12-02 15:50:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2023-12-02 15:50:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] [2023-12-02 15:50:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] [2023-12-02 15:50:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] [2023-12-02 15:50:14,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] [2023-12-02 15:50:14,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] [2023-12-02 15:50:14,473 WARN L240 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_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/sv-benchmarks/c/product-lines/minepump_spec5_product14.cil.c[17811,17824] [2023-12-02 15:50:14,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:50:14,493 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:50:14,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14 WrapperNode [2023-12-02 15:50:14,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:50:14,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:50:14,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:50:14,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:50:14,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,536 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 168 [2023-12-02 15:50:14,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:50:14,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:50:14,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:50:14,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:50:14,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:50:14,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:50:14,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:50:14,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:50:14,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (1/1) ... [2023-12-02 15:50:14,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:50:14,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:50:14,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:50:14,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:50:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:50:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 15:50:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 15:50:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 15:50:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 15:50:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 15:50:14,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 15:50:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-02 15:50:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-02 15:50:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-02 15:50:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-02 15:50:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-02 15:50:14,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-02 15:50:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:50:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 15:50:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 15:50:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:50:14,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:50:14,704 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:50:14,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:50:14,908 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:50:15,013 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:50:15,014 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 15:50:15,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:15 BoogieIcfgContainer [2023-12-02 15:50:15,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:50:15,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:50:15,018 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:50:15,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:50:15,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:50:14" (1/3) ... [2023-12-02 15:50:15,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599ff932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:15, skipping insertion in model container [2023-12-02 15:50:15,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:50:14" (2/3) ... [2023-12-02 15:50:15,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599ff932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:15, skipping insertion in model container [2023-12-02 15:50:15,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:15" (3/3) ... [2023-12-02 15:50:15,038 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2023-12-02 15:50:15,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:50:15,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:50:15,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:50:15,108 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@79bf6f18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:50:15,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:50:15,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 35 states have (on average 1.4) internal successors, (49), 41 states have internal predecessors, (49), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:50:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 15:50:15,119 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:15,119 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:15,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:50:15,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash 182929384, now seen corresponding path program 1 times [2023-12-02 15:50:15,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:15,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347018363] [2023-12-02 15:50:15,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:15,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 15:50:15,291 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:15,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347018363] [2023-12-02 15:50:15,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347018363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:15,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:15,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:50:15,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922563206] [2023-12-02 15:50:15,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:15,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:50:15,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:15,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:50:15,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:50:15,323 INFO L87 Difference]: Start difference. First operand has 55 states, 35 states have (on average 1.4) internal successors, (49), 41 states have internal predecessors, (49), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-12-02 15:50:15,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:15,381 INFO L93 Difference]: Finished difference Result 108 states and 143 transitions. [2023-12-02 15:50:15,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:50:15,383 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21 [2023-12-02 15:50:15,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:15,390 INFO L225 Difference]: With dead ends: 108 [2023-12-02 15:50:15,390 INFO L226 Difference]: Without dead ends: 50 [2023-12-02 15:50:15,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:50:15,396 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:15,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 53 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 15:50:15,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-12-02 15:50:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-12-02 15:50:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.28125) internal successors, (41), 37 states have internal predecessors, (41), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-02 15:50:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-12-02 15:50:15,433 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 21 [2023-12-02 15:50:15,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:15,434 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-12-02 15:50:15,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2023-12-02 15:50:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-12-02 15:50:15,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 15:50:15,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:15,437 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:50:15,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:50:15,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:50:15,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:15,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1072456622, now seen corresponding path program 1 times [2023-12-02 15:50:15,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:15,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191634688] [2023-12-02 15:50:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:50:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:50:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 15:50:15,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:50:15,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191634688] [2023-12-02 15:50:15,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191634688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:50:15,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:50:15,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 15:50:15,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509863390] [2023-12-02 15:50:15,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:50:15,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:50:15,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:50:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:50:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:50:15,674 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 15:50:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:50:16,194 INFO L93 Difference]: Finished difference Result 192 states and 270 transitions. [2023-12-02 15:50:16,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 15:50:16,195 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 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 24 [2023-12-02 15:50:16,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:50:16,196 INFO L225 Difference]: With dead ends: 192 [2023-12-02 15:50:16,196 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 15:50:16,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-12-02 15:50:16,202 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 120 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:50:16,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 411 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 15:50:16,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 15:50:16,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 15:50:16,204 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) [2023-12-02 15:50:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 15:50:16,205 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-12-02 15:50:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:50:16,205 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 15:50:16,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-02 15:50:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 15:50:16,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 15:50:16,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:50:16,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:50:16,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 15:50:16,464 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 777) the Hoare annotation is: true [2023-12-02 15:50:16,465 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 766 777) no Hoare annotation was computed. [2023-12-02 15:50:16,465 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-02 15:50:16,465 INFO L899 garLoopResultBuilder]: For program point L589-2(lines 585 607) no Hoare annotation was computed. [2023-12-02 15:50:16,465 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-12-02 15:50:16,466 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2023-12-02 15:50:16,466 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-02 15:50:16,466 INFO L895 garLoopResultBuilder]: At program point L623(line 623) the Hoare annotation is: (and (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-12-02 15:50:16,466 INFO L899 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2023-12-02 15:50:16,467 INFO L895 garLoopResultBuilder]: At program point L636(line 636) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= |old(~switchedOnBeforeTS~0)| 0)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) [2023-12-02 15:50:16,467 INFO L899 garLoopResultBuilder]: For program point L636-1(lines 617 641) no Hoare annotation was computed. [2023-12-02 15:50:16,467 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 582 608) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-12-02 15:50:16,467 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-12-02 15:50:16,468 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-02 15:50:16,468 INFO L899 garLoopResultBuilder]: For program point L926(line 926) no Hoare annotation was computed. [2023-12-02 15:50:16,468 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-02 15:50:16,468 INFO L899 garLoopResultBuilder]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2023-12-02 15:50:16,468 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2023-12-02 15:50:16,469 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-02 15:50:16,469 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-02 15:50:16,469 INFO L899 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2023-12-02 15:50:16,469 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 582 608) no Hoare annotation was computed. [2023-12-02 15:50:16,469 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2023-12-02 15:50:16,470 INFO L899 garLoopResultBuilder]: For program point L129(lines 104 133) no Hoare annotation was computed. [2023-12-02 15:50:16,470 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-12-02 15:50:16,470 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-12-02 15:50:16,470 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-12-02 15:50:16,470 INFO L895 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 0)) [2023-12-02 15:50:16,470 INFO L895 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: (or (not (= ~switchedOnBeforeTS~0 0)) (= ~pumpRunning~0 0)) [2023-12-02 15:50:16,471 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-12-02 15:50:16,471 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-12-02 15:50:16,471 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: (and (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (or (not (= ~switchedOnBeforeTS~0 0)) (= |old(~switchedOnBeforeTS~0)| 0))) [2023-12-02 15:50:16,471 INFO L902 garLoopResultBuilder]: At program point L878(lines 829 879) the Hoare annotation is: true [2023-12-02 15:50:16,472 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-12-02 15:50:16,472 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2023-12-02 15:50:16,472 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2023-12-02 15:50:16,472 INFO L899 garLoopResultBuilder]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2023-12-02 15:50:16,472 INFO L902 garLoopResultBuilder]: At program point L875(lines 830 877) the Hoare annotation is: true [2023-12-02 15:50:16,473 INFO L902 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: true [2023-12-02 15:50:16,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 15:50:16,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 15:50:16,473 INFO L902 garLoopResultBuilder]: At program point L868-2(lines 860 873) the Hoare annotation is: true [2023-12-02 15:50:16,473 INFO L899 garLoopResultBuilder]: For program point L831(lines 830 877) no Hoare annotation was computed. [2023-12-02 15:50:16,474 INFO L902 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: true [2023-12-02 15:50:16,474 INFO L899 garLoopResultBuilder]: For program point L881(lines 820 885) no Hoare annotation was computed. [2023-12-02 15:50:16,474 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 846) no Hoare annotation was computed. [2023-12-02 15:50:16,474 INFO L899 garLoopResultBuilder]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2023-12-02 15:50:16,474 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 754 765) no Hoare annotation was computed. [2023-12-02 15:50:16,474 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 754 765) the Hoare annotation is: true [2023-12-02 15:50:16,475 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 609 615) no Hoare annotation was computed. [2023-12-02 15:50:16,475 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 609 615) the Hoare annotation is: true [2023-12-02 15:50:16,475 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2023-12-02 15:50:16,475 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 686 694) the Hoare annotation is: true [2023-12-02 15:50:16,475 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2023-12-02 15:50:16,476 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 675 685) the Hoare annotation is: true [2023-12-02 15:50:16,478 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 15:50:16,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:50:16,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:50:16 BoogieIcfgContainer [2023-12-02 15:50:16,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:50:16,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:50:16,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:50:16,493 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:50:16,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:15" (3/4) ... [2023-12-02 15:50:16,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 15:50:16,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-12-02 15:50:16,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-12-02 15:50:16,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-12-02 15:50:16,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-12-02 15:50:16,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-12-02 15:50:16,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-12-02 15:50:16,500 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-12-02 15:50:16,507 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2023-12-02 15:50:16,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 15:50:16,508 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 15:50:16,509 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 15:50:16,510 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 15:50:16,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 15:50:16,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 15:50:16,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:50:16,612 INFO L158 Benchmark]: Toolchain (without parser) took 2512.46ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 111.1MB in the end (delta: 14.2MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,613 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:50:16,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.13ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.75ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,614 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:50:16,615 INFO L158 Benchmark]: RCFGBuilder took 454.99ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 133.5MB in the end (delta: -31.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,615 INFO L158 Benchmark]: TraceAbstraction took 1474.48ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 118.5MB in the end (delta: 14.4MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,616 INFO L158 Benchmark]: Witness Printer took 118.70ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 111.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:50:16,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.13ms. Allocated memory is still 165.7MB. Free memory was 125.3MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.75ms. Allocated memory is still 165.7MB. Free memory was 105.9MB in the beginning and 103.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 165.7MB. Free memory was 103.8MB in the beginning and 102.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.99ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 133.5MB in the end (delta: -31.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1474.48ms. Allocated memory is still 165.7MB. Free memory was 132.8MB in the beginning and 118.5MB in the end (delta: 14.4MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Witness Printer took 118.70ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 111.1MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [572] - GenericResultAtLocation [Line: 739]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [739] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [819] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [886] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [921] * 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: 926]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 464 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 308 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 456 IncrementalHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 156 mSDtfsCounter, 456 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 163 PreInvPairs, 229 NumberOfFragments, 143 HoareAnnotationTreeSize, 163 FomulaSimplifications, 155 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 337 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: (!((switchedOnBeforeTS == 0)) || (pumpRunning == 0)) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-02 15:50:16,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_140a8b7b-bd93-4d98-b1cd-38fa1ea78057/bin/utaipan-verify-nQ1chXbOIh/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