./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:46:15,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:46:15,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:46:15,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:46:15,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:46:15,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:46:15,565 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:46:15,566 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:46:15,567 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:46:15,567 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:46:15,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:46:15,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:46:15,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:46:15,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:46:15,571 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:46:15,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:46:15,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:46:15,573 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:46:15,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:46:15,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:46:15,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:46:15,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:46:15,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:46:15,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:46:15,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:46:15,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:46:15,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:46:15,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:46:15,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:46:15,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:46:15,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:46:15,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:15,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:46:15,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:46:15,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:46:15,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:46:15,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:46:15,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:46:15,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:46:15,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:46:15,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:46:15,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:46:15,583 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2023-11-26 11:46:15,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:46:15,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:46:15,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:46:15,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:46:15,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:46:15,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-26 11:46:19,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:46:19,325 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:46:19,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-26 11:46:19,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/data/1d4f626ee/2cb880468fed457285c1e7186bd897b5/FLAGb38040c48 [2023-11-26 11:46:19,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/data/1d4f626ee/2cb880468fed457285c1e7186bd897b5 [2023-11-26 11:46:19,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:46:19,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:46:19,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:19,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:46:19,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:46:19,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:19,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b27bfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19, skipping insertion in model container [2023-11-26 11:46:19,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:19,428 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:46:19,740 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_ff500d50-fd43-4a78-9da1-2e16d80e4f25/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2023-11-26 11:46:19,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:19,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:46:19,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-26 11:46:19,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [87] [2023-11-26 11:46:19,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] [2023-11-26 11:46:19,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] [2023-11-26 11:46:19,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2023-11-26 11:46:19,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2023-11-26 11:46:19,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-26 11:46:19,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] [2023-11-26 11:46:19,865 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_ff500d50-fd43-4a78-9da1-2e16d80e4f25/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2023-11-26 11:46:19,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:46:19,922 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:46:19,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19 WrapperNode [2023-11-26 11:46:19,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:46:19,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:19,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:46:19,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:46:19,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:19,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:19,995 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 181 [2023-11-26 11:46:19,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:46:19,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:46:19,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:46:19,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:46:20,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,027 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:46:20,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:46:20,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:46:20,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:46:20,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:46:20,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (1/1) ... [2023-11-26 11:46:20,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:46:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:46:20,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:46:20,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:46:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:46:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 11:46:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 11:46:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 11:46:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 11:46:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 11:46:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 11:46:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-26 11:46:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-26 11:46:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 11:46:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 11:46:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 11:46:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 11:46:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 11:46:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 11:46:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:46:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 11:46:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 11:46:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:46:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:46:20,225 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:46:20,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:46:20,508 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:46:20,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:46:20,621 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:46:20,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:20 BoogieIcfgContainer [2023-11-26 11:46:20,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:46:20,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:46:20,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:46:20,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:46:20,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:46:19" (1/3) ... [2023-11-26 11:46:20,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc640f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:20, skipping insertion in model container [2023-11-26 11:46:20,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:46:19" (2/3) ... [2023-11-26 11:46:20,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc640f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:46:20, skipping insertion in model container [2023-11-26 11:46:20,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:20" (3/3) ... [2023-11-26 11:46:20,639 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2023-11-26 11:46:20,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:46:20,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:46:20,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:46:20,749 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=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;@412cf6dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:46:20,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:46:20,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 53 states have internal predecessors, (69), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 11:46:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:46:20,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:20,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:20,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:20,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:20,779 INFO L85 PathProgramCache]: Analyzing trace with hash 629306155, now seen corresponding path program 1 times [2023-11-26 11:46:20,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:20,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974490929] [2023-11-26 11:46:20,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:20,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:46:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:21,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:21,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974490929] [2023-11-26 11:46:21,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974490929] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:21,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:21,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:46:21,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090598334] [2023-11-26 11:46:21,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:21,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:46:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:21,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:46:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:46:21,068 INFO L87 Difference]: Start difference. First operand has 69 states, 45 states have (on average 1.5333333333333334) internal successors, (69), 53 states have internal predecessors, (69), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:21,161 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2023-11-26 11:46:21,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:46:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-26 11:46:21,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:21,176 INFO L225 Difference]: With dead ends: 136 [2023-11-26 11:46:21,177 INFO L226 Difference]: Without dead ends: 64 [2023-11-26 11:46:21,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:46:21,189 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:21,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:46:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-26 11:46:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-26 11:46:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 49 states have internal predecessors, (59), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 11:46:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2023-11-26 11:46:21,242 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 16 [2023-11-26 11:46:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:21,243 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2023-11-26 11:46:21,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-26 11:46:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:46:21,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:21,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:21,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:46:21,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:21,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:21,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2003185709, now seen corresponding path program 1 times [2023-11-26 11:46:21,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:21,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453414883] [2023-11-26 11:46:21,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:46:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:21,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453414883] [2023-11-26 11:46:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453414883] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:21,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:21,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:46:21,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494107088] [2023-11-26 11:46:21,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:21,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:21,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:21,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:21,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:21,358 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:21,398 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2023-11-26 11:46:21,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:21,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-26 11:46:21,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:21,400 INFO L225 Difference]: With dead ends: 101 [2023-11-26 11:46:21,400 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 11:46:21,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:21,403 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:21,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 115 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:46:21,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 11:46:21,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-26 11:46:21,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 44 states have internal predecessors, (53), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 11:46:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 75 transitions. [2023-11-26 11:46:21,415 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 75 transitions. Word has length 17 [2023-11-26 11:46:21,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:21,416 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 75 transitions. [2023-11-26 11:46:21,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-26 11:46:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 11:46:21,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:21,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:21,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:46:21,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:21,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:21,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1303337850, now seen corresponding path program 1 times [2023-11-26 11:46:21,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:21,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856709807] [2023-11-26 11:46:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:21,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:46:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:21,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:21,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856709807] [2023-11-26 11:46:21,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856709807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:21,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:21,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:46:21,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472268649] [2023-11-26 11:46:21,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:21,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:46:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:21,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:46:21,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:21,563 INFO L87 Difference]: Start difference. First operand 56 states and 75 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:21,603 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2023-11-26 11:46:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:46:21,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2023-11-26 11:46:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:21,605 INFO L225 Difference]: With dead ends: 110 [2023-11-26 11:46:21,605 INFO L226 Difference]: Without dead ends: 56 [2023-11-26 11:46:21,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:46:21,608 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:21,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 62 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:46:21,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-26 11:46:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-26 11:46:21,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 44 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 11:46:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2023-11-26 11:46:21,621 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 20 [2023-11-26 11:46:21,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:21,621 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2023-11-26 11:46:21,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:46:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-26 11:46:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-26 11:46:21,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:46:21,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:46:21,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:46:21,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:46:21,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:46:21,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2044378079, now seen corresponding path program 1 times [2023-11-26 11:46:21,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:46:21,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358742866] [2023-11-26 11:46:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:46:21,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:46:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:46:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:46:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:46:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:46:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:46:21,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:46:21,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358742866] [2023-11-26 11:46:21,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358742866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:46:21,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:46:21,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:46:21,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744514823] [2023-11-26 11:46:21,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:46:21,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:46:21,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:46:21,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:46:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:46:21,865 INFO L87 Difference]: Start difference. First operand 56 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:46:21,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:46:21,975 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions. [2023-11-26 11:46:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:46:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2023-11-26 11:46:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:46:21,976 INFO L225 Difference]: With dead ends: 95 [2023-11-26 11:46:21,976 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:46:21,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:46:21,979 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 42 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:46:21,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 55 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:46:21,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:46:21,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:46:21,981 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) [2023-11-26 11:46:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:46:21,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2023-11-26 11:46:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:46:21,982 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:46:21,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-26 11:46:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:46:21,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:46:21,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:46:21,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:46:21,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:46:22,157 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 783 790) no Hoare annotation was computed. [2023-11-26 11:46:22,157 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 790) the Hoare annotation is: true [2023-11-26 11:46:22,157 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2023-11-26 11:46:22,158 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2023-11-26 11:46:22,158 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 623 634) the Hoare annotation is: true [2023-11-26 11:46:22,158 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 623 634) no Hoare annotation was computed. [2023-11-26 11:46:22,158 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 623 634) no Hoare annotation was computed. [2023-11-26 11:46:22,158 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,159 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-26 11:46:22,159 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2023-11-26 11:46:22,159 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 766) no Hoare annotation was computed. [2023-11-26 11:46:22,159 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 771) no Hoare annotation was computed. [2023-11-26 11:46:22,159 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,159 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 91 115) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,160 INFO L899 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L899 garLoopResultBuilder]: For program point L603-2(lines 599 610) no Hoare annotation was computed. [2023-11-26 11:46:22,160 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,161 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 692 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,161 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,161 INFO L899 garLoopResultBuilder]: For program point L769-1(lines 750 774) no Hoare annotation was computed. [2023-11-26 11:46:22,161 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2023-11-26 11:46:22,161 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2023-11-26 11:46:22,161 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2023-11-26 11:46:22,162 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2023-11-26 11:46:22,162 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2023-11-26 11:46:22,162 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2023-11-26 11:46:22,162 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2023-11-26 11:46:22,162 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2023-11-26 11:46:22,162 INFO L899 garLoopResultBuilder]: For program point L144(lines 119 148) no Hoare annotation was computed. [2023-11-26 11:46:22,162 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2023-11-26 11:46:22,163 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 119 148) the Hoare annotation is: true [2023-11-26 11:46:22,163 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2023-11-26 11:46:22,163 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2023-11-26 11:46:22,163 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 643) the Hoare annotation is: true [2023-11-26 11:46:22,163 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 635 643) no Hoare annotation was computed. [2023-11-26 11:46:22,163 INFO L899 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2023-11-26 11:46:22,164 INFO L895 garLoopResultBuilder]: At program point L923-2(lines 915 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:46:22,164 INFO L899 garLoopResultBuilder]: For program point L886(lines 885 932) no Hoare annotation was computed. [2023-11-26 11:46:22,164 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 928) no Hoare annotation was computed. [2023-11-26 11:46:22,164 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:46:22,164 INFO L899 garLoopResultBuilder]: For program point L936(lines 875 940) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L895 garLoopResultBuilder]: At program point L933(lines 884 934) the Hoare annotation is: false [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2023-11-26 11:46:22,165 INFO L899 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2023-11-26 11:46:22,166 INFO L895 garLoopResultBuilder]: At program point L930(lines 885 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:46:22,166 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:46:22,166 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2023-11-26 11:46:22,166 INFO L899 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2023-11-26 11:46:22,166 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 611 622) no Hoare annotation was computed. [2023-11-26 11:46:22,166 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 611 622) the Hoare annotation is: true [2023-11-26 11:46:22,167 INFO L899 garLoopResultBuilder]: For program point L615-1(lines 611 622) no Hoare annotation was computed. [2023-11-26 11:46:22,167 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,167 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,167 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,168 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 724 748) no Hoare annotation was computed. [2023-11-26 11:46:22,168 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2023-11-26 11:46:22,168 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2023-11-26 11:46:22,168 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 860) no Hoare annotation was computed. [2023-11-26 11:46:22,168 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 860) no Hoare annotation was computed. [2023-11-26 11:46:22,168 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:46:22,169 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2023-11-26 11:46:22,171 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:46:22,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:46:22,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:46:22 BoogieIcfgContainer [2023-11-26 11:46:22,186 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:46:22,186 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:46:22,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:46:22,187 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:46:22,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:46:20" (3/4) ... [2023-11-26 11:46:22,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:46:22,193 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 11:46:22,193 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 11:46:22,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 11:46:22,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 11:46:22,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 11:46:22,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-26 11:46:22,194 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 11:46:22,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 11:46:22,202 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-26 11:46:22,203 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 11:46:22,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:46:22,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:46:22,205 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:46:22,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:46:22,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:46:22,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:46:22,323 INFO L158 Benchmark]: Toolchain (without parser) took 2960.73ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 99.1MB in the end (delta: 42.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,323 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 180.4MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:46:22,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.69ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 122.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.57ms. Allocated memory is still 180.4MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,324 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,327 INFO L158 Benchmark]: RCFGBuilder took 575.10ms. Allocated memory is still 180.4MB. Free memory was 117.5MB in the beginning and 96.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,327 INFO L158 Benchmark]: TraceAbstraction took 1553.74ms. Allocated memory is still 180.4MB. Free memory was 95.9MB in the beginning and 106.4MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:46:22,328 INFO L158 Benchmark]: Witness Printer took 136.16ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 99.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:46:22,331 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 180.4MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.69ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 122.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.57ms. Allocated memory is still 180.4MB. Free memory was 122.4MB in the beginning and 120.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 180.4MB. Free memory was 120.3MB in the beginning and 117.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.10ms. Allocated memory is still 180.4MB. Free memory was 117.5MB in the beginning and 96.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1553.74ms. Allocated memory is still 180.4MB. Free memory was 95.9MB in the beginning and 106.4MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 136.16ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 99.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] * 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: 588]: 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 9 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 310 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 227 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 131 PreInvPairs, 137 NumberOfFragments, 155 HoareAnnotationTreeSize, 131 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 95 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-26 11:46:22,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff500d50-fd43-4a78-9da1-2e16d80e4f25/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE