./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/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_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/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_ae0d60b0-dc7a-428a-854d-713c95ac9272/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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:50,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:51,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:54:51,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:51,056 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:51,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:51,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:51,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:51,093 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:51,093 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:51,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:51,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:51,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:51,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:51,096 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:51,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:51,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:51,098 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:54:51,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:51,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:54:51,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:51,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:51,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:51,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:51,114 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:54:51,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:51,115 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:51,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:51,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:51,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:51,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:51,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:51,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:51,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:51,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:51,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:51,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:51,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:51,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:51,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:51,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:51,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:51,127 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_ae0d60b0-dc7a-428a-854d-713c95ac9272/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2023-11-26 11:54:51,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:51,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:51,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:51,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:51,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:51,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2023-11-26 11:54:54,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:54,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:54,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2023-11-26 11:54:54,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/data/5156aedbb/a72b8e2147fc4bbdbdbcb1486834302d/FLAGa0a20d496 [2023-11-26 11:54:54,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/data/5156aedbb/a72b8e2147fc4bbdbdbcb1486834302d [2023-11-26 11:54:54,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:54,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:54,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:54,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:54,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:54,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:54" (1/1) ... [2023-11-26 11:54:54,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fbd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:54, skipping insertion in model container [2023-11-26 11:54:54,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:54" (1/1) ... [2023-11-26 11:54:54,972 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:55,328 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_ae0d60b0-dc7a-428a-854d-713c95ac9272/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2023-11-26 11:54:55,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:55,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:55,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-26 11:54:55,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-11-26 11:54:55,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] [2023-11-26 11:54:55,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [211] [2023-11-26 11:54:55,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] [2023-11-26 11:54:55,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [491] [2023-11-26 11:54:55,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [857] [2023-11-26 11:54:55,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [924] [2023-11-26 11:54:55,479 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_ae0d60b0-dc7a-428a-854d-713c95ac9272/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c[17861,17874] [2023-11-26 11:54:55,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:55,510 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:55,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55 WrapperNode [2023-11-26 11:54:55,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:55,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:55,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:55,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:55,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,583 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 163 [2023-11-26 11:54:55,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:55,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:55,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:55,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:55,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,631 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 11:54:55,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:55,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:55,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:55,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:55,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (1/1) ... [2023-11-26 11:54:55,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:55,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:55,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:55,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:55,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 11:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 11:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 11:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 11:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 11:54:55,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 11:54:55,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-26 11:54:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-26 11:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 11:54:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 11:54:55,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 11:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 11:54:55,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:55,852 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:55,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:56,133 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:56,219 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:56,220 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:54:56,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:56 BoogieIcfgContainer [2023-11-26 11:54:56,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:56,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:56,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:56,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:56,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:54" (1/3) ... [2023-11-26 11:54:56,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc0f382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:56, skipping insertion in model container [2023-11-26 11:54:56,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:55" (2/3) ... [2023-11-26 11:54:56,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc0f382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:56, skipping insertion in model container [2023-11-26 11:54:56,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:56" (3/3) ... [2023-11-26 11:54:56,230 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2023-11-26 11:54:56,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:56,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:54:56,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:56,324 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;@dda975d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:56,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:54:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:54:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:54:56,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:56,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:56,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:56,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:56,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1884411165, now seen corresponding path program 1 times [2023-11-26 11:54:56,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:56,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149902858] [2023-11-26 11:54:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:54:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:56,538 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 11:54:56,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:56,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149902858] [2023-11-26 11:54:56,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149902858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:56,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:56,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:56,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661011713] [2023-11-26 11:54:56,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:56,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:54:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:56,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:54:56,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:54:56,589 INFO L87 Difference]: Start difference. First operand has 56 states, 39 states have (on average 1.564102564102564) internal successors, (61), 45 states have internal predecessors, (61), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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 11:54:56,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:56,663 INFO L93 Difference]: Finished difference Result 110 states and 159 transitions. [2023-11-26 11:54:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:54:56,666 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 11:54:56,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:56,704 INFO L225 Difference]: With dead ends: 110 [2023-11-26 11:54:56,704 INFO L226 Difference]: Without dead ends: 51 [2023-11-26 11:54:56,707 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 11:54:56,733 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:56,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-26 11:54:56,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-26 11:54:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 41 states have internal predecessors, (51), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-26 11:54:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2023-11-26 11:54:56,867 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 16 [2023-11-26 11:54:56,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:56,867 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2023-11-26 11:54:56,867 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 11:54:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-26 11:54:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:54:56,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:56,870 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 11:54:56,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:56,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:56,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:56,872 INFO L85 PathProgramCache]: Analyzing trace with hash 146612091, now seen corresponding path program 1 times [2023-11-26 11:54:56,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:56,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350295285] [2023-11-26 11:54:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:56,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 11:54:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:56,972 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 11:54:56,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:56,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350295285] [2023-11-26 11:54:56,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350295285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:56,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:56,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:56,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049852253] [2023-11-26 11:54:56,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:56,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:56,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:56,977 INFO L87 Difference]: Start difference. First operand 51 states and 68 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 11:54:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:57,008 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2023-11-26 11:54:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:57,009 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 11:54:57,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:57,011 INFO L225 Difference]: With dead ends: 75 [2023-11-26 11:54:57,011 INFO L226 Difference]: Without dead ends: 43 [2023-11-26 11:54:57,012 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 11:54:57,026 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 11 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:57,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 81 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-26 11:54:57,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-26 11:54:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 36 states have internal predecessors, (45), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:54:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2023-11-26 11:54:57,036 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 17 [2023-11-26 11:54:57,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:57,036 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2023-11-26 11:54:57,036 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 11:54:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-26 11:54:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 11:54:57,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:57,039 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 11:54:57,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:57,040 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:57,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1756540084, now seen corresponding path program 1 times [2023-11-26 11:54:57,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352631579] [2023-11-26 11:54:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:54:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,195 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 11:54:57,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:57,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352631579] [2023-11-26 11:54:57,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352631579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:57,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:57,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:54:57,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561361677] [2023-11-26 11:54:57,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:57,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:57,203 INFO L87 Difference]: Start difference. First operand 43 states and 57 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 11:54:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:57,231 INFO L93 Difference]: Finished difference Result 84 states and 113 transitions. [2023-11-26 11:54:57,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:57,232 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 11:54:57,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:57,233 INFO L225 Difference]: With dead ends: 84 [2023-11-26 11:54:57,233 INFO L226 Difference]: Without dead ends: 43 [2023-11-26 11:54:57,234 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 11:54:57,236 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:57,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 45 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:57,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-26 11:54:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-26 11:54:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:54:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2023-11-26 11:54:57,244 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 20 [2023-11-26 11:54:57,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:57,245 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2023-11-26 11:54:57,245 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 11:54:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2023-11-26 11:54:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-26 11:54:57,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:57,247 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] [2023-11-26 11:54:57,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:57,247 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:57,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:57,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1808776832, now seen corresponding path program 1 times [2023-11-26 11:54:57,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:57,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745183701] [2023-11-26 11:54:57,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:57,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:54:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:54:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:57,390 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 11:54:57,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:57,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745183701] [2023-11-26 11:54:57,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745183701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:57,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:57,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:57,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896230948] [2023-11-26 11:54:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:57,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:54:57,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:54:57,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:54:57,393 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:54:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:57,436 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions. [2023-11-26 11:54:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-26 11:54:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:57,437 INFO L225 Difference]: With dead ends: 77 [2023-11-26 11:54:57,437 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:54:57,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:57,439 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 34 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:57,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 63 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:54:57,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:54:57,441 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 11:54:57,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:54:57,442 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2023-11-26 11:54:57,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:57,442 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:57,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 11:54:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:54:57,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:54:57,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:54:57,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:54:57,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:54:57,560 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 341 347) no Hoare annotation was computed. [2023-11-26 11:54:57,560 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 341 347) the Hoare annotation is: true [2023-11-26 11:54:57,560 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 121 132) no Hoare annotation was computed. [2023-11-26 11:54:57,561 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 121 132) the Hoare annotation is: true [2023-11-26 11:54:57,561 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 121 132) no Hoare annotation was computed. [2023-11-26 11:54:57,561 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 370) no Hoare annotation was computed. [2023-11-26 11:54:57,561 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:54:57,561 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2023-11-26 11:54:57,561 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2023-11-26 11:54:57,562 INFO L899 garLoopResultBuilder]: For program point L473-2(lines 473 477) no Hoare annotation was computed. [2023-11-26 11:54:57,563 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 320 339) no Hoare annotation was computed. [2023-11-26 11:54:57,563 INFO L895 garLoopResultBuilder]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-26 11:54:57,564 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2023-11-26 11:54:57,564 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-11-26 11:54:57,564 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2023-11-26 11:54:57,564 INFO L899 garLoopResultBuilder]: For program point L194-1(lines 186 210) no Hoare annotation was computed. [2023-11-26 11:54:57,565 INFO L895 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:54:57,565 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 349 373) no Hoare annotation was computed. [2023-11-26 11:54:57,565 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 340) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-26 11:54:57,566 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 317 340) no Hoare annotation was computed. [2023-11-26 11:54:57,566 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 929) no Hoare annotation was computed. [2023-11-26 11:54:57,566 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2023-11-26 11:54:57,567 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2023-11-26 11:54:57,567 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 365) no Hoare annotation was computed. [2023-11-26 11:54:57,567 INFO L899 garLoopResultBuilder]: For program point L101-2(lines 97 108) no Hoare annotation was computed. [2023-11-26 11:54:57,567 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 214 243) no Hoare annotation was computed. [2023-11-26 11:54:57,567 INFO L902 garLoopResultBuilder]: At program point L224-2(lines 224 238) the Hoare annotation is: true [2023-11-26 11:54:57,568 INFO L902 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2023-11-26 11:54:57,568 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2023-11-26 11:54:57,569 INFO L899 garLoopResultBuilder]: For program point L239(lines 214 243) no Hoare annotation was computed. [2023-11-26 11:54:57,569 INFO L899 garLoopResultBuilder]: For program point L235(line 235) no Hoare annotation was computed. [2023-11-26 11:54:57,569 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 214 243) the Hoare annotation is: true [2023-11-26 11:54:57,569 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2023-11-26 11:54:57,569 INFO L902 garLoopResultBuilder]: At program point L228-1(lines 228 232) the Hoare annotation is: true [2023-11-26 11:54:57,572 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 133 141) the Hoare annotation is: true [2023-11-26 11:54:57,573 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 133 141) no Hoare annotation was computed. [2023-11-26 11:54:57,573 INFO L895 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:54:57,573 INFO L899 garLoopResultBuilder]: For program point L919(lines 858 923) no Hoare annotation was computed. [2023-11-26 11:54:57,573 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2023-11-26 11:54:57,574 INFO L899 garLoopResultBuilder]: For program point L878-1(lines 878 884) no Hoare annotation was computed. [2023-11-26 11:54:57,574 INFO L895 garLoopResultBuilder]: At program point L916(lines 867 917) the Hoare annotation is: false [2023-11-26 11:54:57,578 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 304) no Hoare annotation was computed. [2023-11-26 11:54:57,578 INFO L899 garLoopResultBuilder]: For program point L297-2(lines 297 304) no Hoare annotation was computed. [2023-11-26 11:54:57,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:54:57,578 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2023-11-26 11:54:57,578 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2023-11-26 11:54:57,579 INFO L895 garLoopResultBuilder]: At program point L913(lines 868 915) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:54:57,580 INFO L895 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:54:57,581 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:54:57,581 INFO L899 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2023-11-26 11:54:57,585 INFO L895 garLoopResultBuilder]: At program point L906-2(lines 898 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 11:54:57,586 INFO L899 garLoopResultBuilder]: For program point L869(lines 868 915) no Hoare annotation was computed. [2023-11-26 11:54:57,586 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 911) no Hoare annotation was computed. [2023-11-26 11:54:57,586 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2023-11-26 11:54:57,586 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 109 120) no Hoare annotation was computed. [2023-11-26 11:54:57,586 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 109 120) the Hoare annotation is: true [2023-11-26 11:54:57,589 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:54:57,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:57,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:57 BoogieIcfgContainer [2023-11-26 11:54:57,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:57,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:57,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:57,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:57,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:56" (3/4) ... [2023-11-26 11:54:57,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:54:57,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 11:54:57,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 11:54:57,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 11:54:57,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 11:54:57,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-26 11:54:57,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 11:54:57,634 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-26 11:54:57,635 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 11:54:57,635 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:54:57,636 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:54:57,637 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:54:57,773 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:54:57,774 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:54:57,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:57,775 INFO L158 Benchmark]: Toolchain (without parser) took 2869.12ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 78.0MB in the beginning and 81.1MB in the end (delta: -3.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,775 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:57,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.25ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 78.0MB in the beginning and 136.3MB in the end (delta: -58.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.50ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 134.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,776 INFO L158 Benchmark]: Boogie Preprocessor took 88.41ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,777 INFO L158 Benchmark]: RCFGBuilder took 546.94ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 112.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,777 INFO L158 Benchmark]: TraceAbstraction took 1389.26ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 88.4MB in the end (delta: 22.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,777 INFO L158 Benchmark]: Witness Printer took 160.75ms. Allocated memory is still 169.9MB. Free memory was 88.4MB in the beginning and 81.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:54:57,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 25.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.25ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 78.0MB in the beginning and 136.3MB in the end (delta: -58.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.50ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 134.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.41ms. Allocated memory is still 169.9MB. Free memory was 134.2MB in the beginning and 132.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.94ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 112.2MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1389.26ms. Allocated memory is still 169.9MB. Free memory was 111.1MB in the beginning and 88.4MB in the end (delta: 22.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 160.75ms. Allocated memory is still 169.9MB. Free memory was 88.4MB in the beginning and 81.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [183] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [211] - GenericResultAtLocation [Line: 310]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [310] - GenericResultAtLocation [Line: 491]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [491] - GenericResultAtLocation [Line: 857]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [857] - GenericResultAtLocation [Line: 924]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [924] * 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: 929]: 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 7 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, 100 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 97 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 185 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 67 PreInvPairs, 73 NumberOfFragments, 94 HoareAnnotationTreeSize, 67 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 72 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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: 868]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-26 11:54:57,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0d60b0-dc7a-428a-854d-713c95ac9272/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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