./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX --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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:06:59,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:06:59,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:06:59,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:06:59,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:06:59,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:06:59,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:06:59,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:06:59,704 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:06:59,706 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:06:59,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:06:59,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:06:59,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:06:59,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:06:59,711 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:06:59,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:06:59,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:06:59,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:06:59,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:06:59,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:06:59,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:06:59,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:06:59,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:06:59,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:06:59,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:06:59,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:06:59,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:06:59,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:06:59,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:06:59,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:06:59,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:06:59,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:06:59,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:06:59,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:06:59,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:06:59,727 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:06:59,728 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:06:59,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:06:59,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:06:59,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:06:59,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:06:59,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:06:59,730 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_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2024-11-08 16:07:00,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:07:00,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:07:00,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:07:00,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:07:00,078 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:07:00,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c Unable to find full path for "g++" [2024-11-08 16:07:02,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:07:02,404 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:07:02,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2024-11-08 16:07:02,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/data/e54dd6d69/174b005e51b046c89b95e36a4649ec5f/FLAGba61ac239 [2024-11-08 16:07:02,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/data/e54dd6d69/174b005e51b046c89b95e36a4649ec5f [2024-11-08 16:07:02,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:07:02,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:07:02,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:07:02,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:07:02,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:07:02,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:02" (1/1) ... [2024-11-08 16:07:02,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63800d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:02, skipping insertion in model container [2024-11-08 16:07:02,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:07:02" (1/1) ... [2024-11-08 16:07:02,792 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:07:03,185 WARN L250 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_ce20108c-9554-4496-b11f-15bcd5e3717d/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2024-11-08 16:07:03,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:07:03,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:07:03,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 16:07:03,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2024-11-08 16:07:03,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] [2024-11-08 16:07:03,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] [2024-11-08 16:07:03,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [638] [2024-11-08 16:07:03,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [706] [2024-11-08 16:07:03,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [868] [2024-11-08 16:07:03,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-08 16:07:03,310 WARN L250 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_ce20108c-9554-4496-b11f-15bcd5e3717d/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2024-11-08 16:07:03,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:07:03,348 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:07:03,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03 WrapperNode [2024-11-08 16:07:03,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:07:03,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:07:03,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:07:03,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:07:03,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,407 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 141 [2024-11-08 16:07:03,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:07:03,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:07:03,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:07:03,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:07:03,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,456 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]. [2024-11-08 16:07:03,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:07:03,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:07:03,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:07:03,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:07:03,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (1/1) ... [2024-11-08 16:07:03,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:07:03,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:07:03,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:07:03,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:07:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:07:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 16:07:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 16:07:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 16:07:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 16:07:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 16:07:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 16:07:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 16:07:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 16:07:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-08 16:07:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-08 16:07:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-08 16:07:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-08 16:07:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:07:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 16:07:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 16:07:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:07:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:07:03,663 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:07:03,665 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:07:03,945 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 16:07:03,946 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:07:03,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:07:03,963 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 16:07:03,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:07:03 BoogieIcfgContainer [2024-11-08 16:07:03,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:07:03,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:07:03,968 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:07:03,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:07:03,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:07:02" (1/3) ... [2024-11-08 16:07:03,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d9d541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:07:03, skipping insertion in model container [2024-11-08 16:07:03,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:07:03" (2/3) ... [2024-11-08 16:07:03,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d9d541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:07:03, skipping insertion in model container [2024-11-08 16:07:03,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:07:03" (3/3) ... [2024-11-08 16:07:03,976 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2024-11-08 16:07:04,004 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:07:04,004 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:07:04,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:07:04,106 INFO L333 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, 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;@4b3e8d10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:07:04,107 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:07:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 16:07:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 16:07:04,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:04,124 INFO L215 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] [2024-11-08 16:07:04,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:07:04,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:04,131 INFO L85 PathProgramCache]: Analyzing trace with hash 428667438, now seen corresponding path program 1 times [2024-11-08 16:07:04,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:04,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904972509] [2024-11-08 16:07:04,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:04,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:04,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 16:07:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:04,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:04,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904972509] [2024-11-08 16:07:04,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904972509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:04,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:04,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:07:04,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028045180] [2024-11-08 16:07:04,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:04,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:07:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:04,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:07:04,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:07:04,581 INFO L87 Difference]: Start difference. First operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 16:07:04,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:04,634 INFO L93 Difference]: Finished difference Result 146 states and 195 transitions. [2024-11-08 16:07:04,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:07:04,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-08 16:07:04,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:04,652 INFO L225 Difference]: With dead ends: 146 [2024-11-08 16:07:04,652 INFO L226 Difference]: Without dead ends: 68 [2024-11-08 16:07:04,658 INFO L431 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 [2024-11-08 16:07:04,662 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:04,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:07:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-08 16:07:04,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-08 16:07:04,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.28) internal successors, (64), 55 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:07:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-11-08 16:07:04,737 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 23 [2024-11-08 16:07:04,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:04,740 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-11-08 16:07:04,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 16:07:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2024-11-08 16:07:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 16:07:04,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:04,746 INFO L215 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] [2024-11-08 16:07:04,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:07:04,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:07:04,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:04,749 INFO L85 PathProgramCache]: Analyzing trace with hash 575443448, now seen corresponding path program 1 times [2024-11-08 16:07:04,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:04,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626906057] [2024-11-08 16:07:04,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:04,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:04,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 16:07:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:04,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:04,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626906057] [2024-11-08 16:07:04,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626906057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:04,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:04,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:07:04,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109954961] [2024-11-08 16:07:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:04,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:07:04,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:04,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:07:04,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:07:04,937 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 16:07:04,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:04,965 INFO L93 Difference]: Finished difference Result 101 states and 125 transitions. [2024-11-08 16:07:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:07:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2024-11-08 16:07:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:04,970 INFO L225 Difference]: With dead ends: 101 [2024-11-08 16:07:04,971 INFO L226 Difference]: Without dead ends: 59 [2024-11-08 16:07:04,971 INFO L431 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 [2024-11-08 16:07:04,975 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:04,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:07:04,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-08 16:07:04,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-08 16:07:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 16:07:04,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2024-11-08 16:07:04,996 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 24 [2024-11-08 16:07:04,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:04,997 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2024-11-08 16:07:04,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 16:07:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2024-11-08 16:07:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 16:07:05,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:05,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:05,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:07:05,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:07:05,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1916822320, now seen corresponding path program 1 times [2024-11-08 16:07:05,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:05,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615232480] [2024-11-08 16:07:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:05,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 16:07:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:05,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:05,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:05,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615232480] [2024-11-08 16:07:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615232480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:05,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:07:05,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512778860] [2024-11-08 16:07:05,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:05,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:07:05,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:05,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:07:05,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:07:05,282 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-08 16:07:05,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:05,392 INFO L93 Difference]: Finished difference Result 111 states and 140 transitions. [2024-11-08 16:07:05,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:07:05,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2024-11-08 16:07:05,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:05,394 INFO L225 Difference]: With dead ends: 111 [2024-11-08 16:07:05,394 INFO L226 Difference]: Without dead ends: 59 [2024-11-08 16:07:05,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:07:05,397 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 67 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:05,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 205 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:07:05,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-08 16:07:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-08 16:07:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 49 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 16:07:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2024-11-08 16:07:05,415 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 29 [2024-11-08 16:07:05,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:05,415 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2024-11-08 16:07:05,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-11-08 16:07:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2024-11-08 16:07:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 16:07:05,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:07:05,417 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:07:05,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:07:05,418 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:07:05,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:07:05,419 INFO L85 PathProgramCache]: Analyzing trace with hash 315936348, now seen corresponding path program 1 times [2024-11-08 16:07:05,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:07:05,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685631341] [2024-11-08 16:07:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:07:05,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:07:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 16:07:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:05,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 16:07:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:07:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:07:05,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:07:05,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685631341] [2024-11-08 16:07:05,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685631341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:07:05,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:07:05,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:07:05,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393958400] [2024-11-08 16:07:05,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:07:05,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:07:05,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:07:05,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:07:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:07:05,582 INFO L87 Difference]: Start difference. First operand 59 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-08 16:07:05,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:07:05,649 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2024-11-08 16:07:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:07:05,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2024-11-08 16:07:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:07:05,650 INFO L225 Difference]: With dead ends: 97 [2024-11-08 16:07:05,650 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:07:05,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:07:05,652 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 43 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:07:05,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:07:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:07:05,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:07:05,659 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) [2024-11-08 16:07:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:07:05,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-08 16:07:05,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:07:05,660 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:07:05,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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) [2024-11-08 16:07:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:07:05,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:07:05,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:07:05,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:07:05,668 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 16:07:05,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:07:05,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:07:05,998 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0) (not (= 0 ~systemActive~0))) Eliminated clause: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2024-11-08 16:07:06,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:07:06 BoogieIcfgContainer [2024-11-08 16:07:06,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:07:06,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:07:06,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:07:06,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:07:06,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:07:03" (3/4) ... [2024-11-08 16:07:06,024 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:07:06,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 16:07:06,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 16:07:06,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 16:07:06,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-08 16:07:06,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 16:07:06,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-08 16:07:06,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-08 16:07:06,042 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 16:07:06,043 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 16:07:06,043 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:07:06,044 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:07:06,044 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:07:06,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:07:06,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:07:06,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:07:06,172 INFO L158 Benchmark]: Toolchain (without parser) took 3439.38ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 81.2MB in the beginning and 149.5MB in the end (delta: -68.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,172 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:07:06,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.35ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 80.8MB in the beginning and 147.1MB in the end (delta: -66.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.78ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,173 INFO L158 Benchmark]: Boogie Preprocessor took 77.65ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,173 INFO L158 Benchmark]: RCFGBuilder took 476.76ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 126.1MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,175 INFO L158 Benchmark]: TraceAbstraction took 2049.08ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 79.6MB in the end (delta: 46.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,175 INFO L158 Benchmark]: Witness Printer took 153.52ms. Allocated memory is still 182.5MB. Free memory was 79.6MB in the beginning and 149.5MB in the end (delta: -69.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-08 16:07:06,178 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory was 101.1MB in the beginning and 101.1MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.35ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 80.8MB in the beginning and 147.1MB in the end (delta: -66.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.78ms. Allocated memory is still 182.5MB. Free memory was 147.1MB in the beginning and 145.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.65ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.76ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 126.1MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2049.08ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 79.6MB in the end (delta: 46.6MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Witness Printer took 153.52ms. Allocated memory is still 182.5MB. Free memory was 79.6MB in the beginning and 149.5MB in the end (delta: -69.9MB). Peak memory consumption was 10.7MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [638] - GenericResultAtLocation [Line: 706]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [706] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [868] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] * 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: 900]: 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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 565 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 283 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 282 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=0, InterpolantAutomatonStates: 15, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 146 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: 650]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 != systemActive)) - InvariantResult [Line: 649]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((waterLevel == \old(waterLevel)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 714]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: ((((pumpRunning == 0) && (\old(pumpRunning) == 0)) && (0 != systemActive)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 542]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 94]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 738]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((pumpRunning == 0) && (0 != systemActive)) Ensures: (((pumpRunning == 0) && (0 != systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 804]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:07:06,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce20108c-9554-4496-b11f-15bcd5e3717d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE