./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx --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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:19:34,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:19:34,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:19:34,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:19:34,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:19:34,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:19:34,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:19:34,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:19:34,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:19:34,723 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:19:34,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:19:34,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:19:34,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:19:34,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:19:34,726 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:19:34,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:19:34,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:19:34,728 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:19:34,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:19:34,729 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:19:34,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:19:34,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:19:34,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:19:34,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:19:34,731 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:19:34,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:19:34,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:19:34,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:19:34,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:19:34,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:19:34,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:19:34,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:34,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:19:34,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:19:34,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:19:34,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:19:34,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:19:34,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:19:34,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:19:34,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:19:34,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:19:34,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:19:34,738 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_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2023-11-21 22:19:35,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:19:35,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:19:35,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:19:35,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:19:35,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:19:35,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-11-21 22:19:38,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:19:38,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:19:38,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-11-21 22:19:38,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/data/edfc9daa6/35c95f00944846ba9c78e7c824c670e7/FLAGef263ffa4 [2023-11-21 22:19:38,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/data/edfc9daa6/35c95f00944846ba9c78e7c824c670e7 [2023-11-21 22:19:38,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:19:38,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:19:38,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:38,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:19:38,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:19:38,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:38,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebeb9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38, skipping insertion in model container [2023-11-21 22:19:38,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:38,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:19:38,700 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_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154] [2023-11-21 22:19:38,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:38,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:19:38,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-21 22:19:38,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-21 22:19:38,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2023-11-21 22:19:38,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2023-11-21 22:19:38,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2023-11-21 22:19:38,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2023-11-21 22:19:38,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2023-11-21 22:19:38,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2023-11-21 22:19:38,892 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_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c[2141,2154] [2023-11-21 22:19:38,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:19:38,979 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:19:38,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38 WrapperNode [2023-11-21 22:19:38,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:19:38,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:38,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:19:38,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:19:38,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,051 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 163 [2023-11-21 22:19:39,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:19:39,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:19:39,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:19:39,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:19:39,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,066 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,079 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:19:39,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:19:39,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:19:39,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:19:39,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:19:39,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (1/1) ... [2023-11-21 22:19:39,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:19:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:19:39,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:19:39,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:19:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:19:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 22:19:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 22:19:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-21 22:19:39,192 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-21 22:19:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-21 22:19:39,192 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-21 22:19:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:19:39,192 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:19:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-21 22:19:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-21 22:19:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-21 22:19:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-21 22:19:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:19:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-21 22:19:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-21 22:19:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:19:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:19:39,321 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:19:39,333 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:19:39,700 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:19:39,847 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:19:39,847 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:19:39,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:39 BoogieIcfgContainer [2023-11-21 22:19:39,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:19:39,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:19:39,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:19:39,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:19:39,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:19:38" (1/3) ... [2023-11-21 22:19:39,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d60ac96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:39, skipping insertion in model container [2023-11-21 22:19:39,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:38" (2/3) ... [2023-11-21 22:19:39,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d60ac96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:19:39, skipping insertion in model container [2023-11-21 22:19:39,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:39" (3/3) ... [2023-11-21 22:19:39,859 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2023-11-21 22:19:39,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:19:39,881 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:19:39,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:19:39,964 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;@9eafec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:19:39,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:19:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 22:19:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 22:19:39,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:39,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:39,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:39,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:39,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1356547993, now seen corresponding path program 1 times [2023-11-21 22:19:40,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:40,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609267830] [2023-11-21 22:19:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:40,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:40,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609267830] [2023-11-21 22:19:40,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609267830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:40,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:40,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:19:40,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768574152] [2023-11-21 22:19:40,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:40,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:19:40,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:40,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:19:40,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:19:40,271 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:40,340 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2023-11-21 22:19:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:19:40,342 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-21 22:19:40,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:40,351 INFO L225 Difference]: With dead ends: 110 [2023-11-21 22:19:40,352 INFO L226 Difference]: Without dead ends: 51 [2023-11-21 22:19:40,356 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 [2023-11-21 22:19:40,360 INFO L413 NwaCegarLoop]: 56 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, 56 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 [2023-11-21 22:19:40,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:19:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-21 22:19:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-21 22:19:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-21 22:19:40,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2023-11-21 22:19:40,405 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 12 [2023-11-21 22:19:40,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:40,406 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2023-11-21 22:19:40,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-21 22:19:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 22:19:40,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:40,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:40,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:19:40,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:40,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1752462939, now seen corresponding path program 1 times [2023-11-21 22:19:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:40,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030843334] [2023-11-21 22:19:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:40,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:40,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:40,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030843334] [2023-11-21 22:19:40,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030843334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:40,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:40,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:19:40,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494917663] [2023-11-21 22:19:40,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:40,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:19:40,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:40,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:19:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:19:40,514 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:40,561 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2023-11-21 22:19:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:19:40,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-21 22:19:40,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:40,563 INFO L225 Difference]: With dead ends: 74 [2023-11-21 22:19:40,563 INFO L226 Difference]: Without dead ends: 43 [2023-11-21 22:19:40,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:19:40,566 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:40,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 67 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:19:40,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-21 22:19:40,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-21 22:19:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 22:19:40,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2023-11-21 22:19:40,576 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 13 [2023-11-21 22:19:40,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:40,577 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2023-11-21 22:19:40,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-21 22:19:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 22:19:40,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:40,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:40,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:19:40,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:40,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:40,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2022932383, now seen corresponding path program 1 times [2023-11-21 22:19:40,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:40,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159982898] [2023-11-21 22:19:40,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:40,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:40,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:40,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159982898] [2023-11-21 22:19:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159982898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:40,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:40,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:19:40,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734753873] [2023-11-21 22:19:40,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:40,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:19:40,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:40,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:19:40,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:19:40,672 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:40,728 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2023-11-21 22:19:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:19:40,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-21 22:19:40,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:40,731 INFO L225 Difference]: With dead ends: 125 [2023-11-21 22:19:40,731 INFO L226 Difference]: Without dead ends: 84 [2023-11-21 22:19:40,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:19:40,734 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 41 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:40,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 87 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:19:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-21 22:19:40,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2023-11-21 22:19:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 63 states have internal predecessors, (71), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 22:19:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2023-11-21 22:19:40,755 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 16 [2023-11-21 22:19:40,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:40,755 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2023-11-21 22:19:40,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2023-11-21 22:19:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 22:19:40,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:19:40,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:19:40,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:19:40,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:19:40,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:19:40,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1358600154, now seen corresponding path program 1 times [2023-11-21 22:19:40,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:19:40,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308673991] [2023-11-21 22:19:40,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:19:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:19:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:19:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:19:40,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:19:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308673991] [2023-11-21 22:19:40,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308673991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:19:40,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:19:40,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:19:40,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964545291] [2023-11-21 22:19:40,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:19:40,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:19:40,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:19:40,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:19:40,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:19:40,921 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:40,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:19:40,987 INFO L93 Difference]: Finished difference Result 140 states and 181 transitions. [2023-11-21 22:19:40,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:19:40,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-21 22:19:40,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:19:40,989 INFO L225 Difference]: With dead ends: 140 [2023-11-21 22:19:40,989 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:19:40,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:19:40,995 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 22 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:19:40,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 48 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:19:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:19:41,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:19:41,004 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) [2023-11-21 22:19:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:19:41,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-21 22:19:41,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:19:41,005 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:19:41,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:19:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:19:41,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:19:41,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:19:41,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:19:41,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:19:41,157 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 262 269) no Hoare annotation was computed. [2023-11-21 22:19:41,157 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 262 269) the Hoare annotation is: true [2023-11-21 22:19:41,157 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 735 746) the Hoare annotation is: true [2023-11-21 22:19:41,157 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 735 746) no Hoare annotation was computed. [2023-11-21 22:19:41,158 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 790 819) no Hoare annotation was computed. [2023-11-21 22:19:41,158 INFO L902 garLoopResultBuilder]: At program point L800-2(lines 800 814) the Hoare annotation is: true [2023-11-21 22:19:41,158 INFO L902 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: true [2023-11-21 22:19:41,158 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-11-21 22:19:41,158 INFO L899 garLoopResultBuilder]: For program point L815(lines 790 819) no Hoare annotation was computed. [2023-11-21 22:19:41,159 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-11-21 22:19:41,159 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 819) the Hoare annotation is: true [2023-11-21 22:19:41,159 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed. [2023-11-21 22:19:41,159 INFO L902 garLoopResultBuilder]: At program point L804-1(lines 804 808) the Hoare annotation is: true [2023-11-21 22:19:41,159 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 183 202) no Hoare annotation was computed. [2023-11-21 22:19:41,160 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-21 22:19:41,160 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-21 22:19:41,160 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-21 22:19:41,160 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed. [2023-11-21 22:19:41,160 INFO L895 garLoopResultBuilder]: At program point L231(line 231) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:19:41,160 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 212 236) no Hoare annotation was computed. [2023-11-21 22:19:41,161 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 180 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:19:41,161 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2023-11-21 22:19:41,161 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2023-11-21 22:19:41,161 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 906) no Hoare annotation was computed. [2023-11-21 22:19:41,161 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 228) no Hoare annotation was computed. [2023-11-21 22:19:41,161 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-11-21 22:19:41,162 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 885 909) no Hoare annotation was computed. [2023-11-21 22:19:41,162 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 233) no Hoare annotation was computed. [2023-11-21 22:19:41,186 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 180 203) no Hoare annotation was computed. [2023-11-21 22:19:41,186 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-11-21 22:19:41,187 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 128) no Hoare annotation was computed. [2023-11-21 22:19:41,187 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2023-11-21 22:19:41,187 INFO L895 garLoopResultBuilder]: At program point L160(lines 111 161) the Hoare annotation is: false [2023-11-21 22:19:41,187 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 154) no Hoare annotation was computed. [2023-11-21 22:19:41,188 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 142 155) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:19:41,188 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2023-11-21 22:19:41,188 INFO L899 garLoopResultBuilder]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2023-11-21 22:19:41,196 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 878) no Hoare annotation was computed. [2023-11-21 22:19:41,197 INFO L899 garLoopResultBuilder]: For program point L871-2(lines 871 878) no Hoare annotation was computed. [2023-11-21 22:19:41,197 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2023-11-21 22:19:41,198 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2023-11-21 22:19:41,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:19:41,198 INFO L895 garLoopResultBuilder]: At program point L157(lines 112 159) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:19:41,199 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:19:41,199 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:19:41,199 INFO L899 garLoopResultBuilder]: For program point L113(lines 112 159) no Hoare annotation was computed. [2023-11-21 22:19:41,199 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 155) no Hoare annotation was computed. [2023-11-21 22:19:41,200 INFO L895 garLoopResultBuilder]: At program point L332(line 332) the Hoare annotation is: false [2023-11-21 22:19:41,201 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:19:41,204 INFO L899 garLoopResultBuilder]: For program point L163(lines 102 167) no Hoare annotation was computed. [2023-11-21 22:19:41,205 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 723 734) no Hoare annotation was computed. [2023-11-21 22:19:41,205 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 734) the Hoare annotation is: true [2023-11-21 22:19:41,206 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 210) no Hoare annotation was computed. [2023-11-21 22:19:41,207 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 204 210) the Hoare annotation is: true [2023-11-21 22:19:41,207 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 270 280) no Hoare annotation was computed. [2023-11-21 22:19:41,208 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 280) the Hoare annotation is: true [2023-11-21 22:19:41,214 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 22:19:41,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:19:41,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:19:41 BoogieIcfgContainer [2023-11-21 22:19:41,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:19:41,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:19:41,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:19:41,231 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:19:41,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:39" (3/4) ... [2023-11-21 22:19:41,233 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:19:41,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-21 22:19:41,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-21 22:19:41,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-21 22:19:41,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-21 22:19:41,237 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-21 22:19:41,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-21 22:19:41,238 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-21 22:19:41,245 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-21 22:19:41,246 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:19:41,246 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:19:41,247 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:19:41,247 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:19:41,276 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-21 22:19:41,307 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-21 22:19:41,361 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:19:41,362 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:19:41,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:19:41,362 INFO L158 Benchmark]: Toolchain (without parser) took 2898.53ms. Allocated memory is still 161.5MB. Free memory was 118.9MB in the beginning and 121.4MB in the end (delta: -2.5MB). Peak memory consumption was 113.5kB. Max. memory is 16.1GB. [2023-11-21 22:19:41,363 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:19:41,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.89ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 99.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.56ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,364 INFO L158 Benchmark]: Boogie Preprocessor took 42.92ms. Allocated memory is still 161.5MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,364 INFO L158 Benchmark]: RCFGBuilder took 754.04ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 127.8MB in the end (delta: -32.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,365 INFO L158 Benchmark]: TraceAbstraction took 1378.02ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 127.8MB in the end (delta: -135.3kB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,365 INFO L158 Benchmark]: Witness Printer took 131.55ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 121.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:19:41,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.89ms. Allocated memory is still 161.5MB. Free memory was 118.5MB in the beginning and 99.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.56ms. Allocated memory is still 161.5MB. Free memory was 99.6MB in the beginning and 97.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.92ms. Allocated memory is still 161.5MB. Free memory was 97.5MB in the beginning and 95.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.04ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 127.8MB in the end (delta: -32.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1378.02ms. Allocated memory is still 161.5MB. Free memory was 127.7MB in the beginning and 127.8MB in the end (delta: -135.3kB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 131.55ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 121.4MB in the end (delta: 6.4MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * 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: 92]: 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, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 169 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 102 PreInvPairs, 110 NumberOfFragments, 67 HoareAnnotationTreeSize, 102 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 153 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 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: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 22:19:41,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77f7c90-c1d3-4b9b-a7aa-90dfb8de0b0c/bin/uautomizer-verify-bycVGegfSx/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