./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:42,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:42,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:22:42,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:42,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:42,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:42,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:42,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:42,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:42,239 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:42,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:42,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:42,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:42,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:42,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:42,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:42,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:42,245 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:42,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:42,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:42,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:42,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:42,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:42,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:42,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:42,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:42,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:42,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:42,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:42,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:42,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:42,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:42,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:42,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:42,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:42,255 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:42,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:42,255 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:42,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:42,256 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:42,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:42,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:42,256 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_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6 [2023-11-21 22:22:42,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:42,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:42,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:42,647 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:42,648 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:42,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2023-11-21 22:22:45,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:45,993 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:45,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c [2023-11-21 22:22:46,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/data/db1ddb212/7a18a46b7efe4712b048377a69ee74d2/FLAG932dcf811 [2023-11-21 22:22:46,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/data/db1ddb212/7a18a46b7efe4712b048377a69ee74d2 [2023-11-21 22:22:46,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:46,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:46,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:46,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:46,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:46,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87e1439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46, skipping insertion in model container [2023-11-21 22:22:46,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:46,423 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_dd57cb97-9538-412d-b2d7-f4454ebd0642/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2023-11-21 22:22:46,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:46,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:46,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-21 22:22:46,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-21 22:22:46,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511] [2023-11-21 22:22:46,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] [2023-11-21 22:22:46,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-11-21 22:22:46,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2023-11-21 22:22:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-21 22:22:46,501 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] [2023-11-21 22:22:46,599 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_dd57cb97-9538-412d-b2d7-f4454ebd0642/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c[13937,13950] [2023-11-21 22:22:46,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:46,644 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:46,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46 WrapperNode [2023-11-21 22:22:46,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:46,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:46,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:46,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:46,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,729 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 177 [2023-11-21 22:22:46,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:46,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:46,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:46,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:46,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,747 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,761 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:46,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:46,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:46,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:46,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:46,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (1/1) ... [2023-11-21 22:22:46,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:46,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:46,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-21 22:22:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-21 22:22:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-21 22:22:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-21 22:22:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 22:22:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 22:22:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-21 22:22:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-21 22:22:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-21 22:22:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-21 22:22:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-21 22:22:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-21 22:22:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-21 22:22:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-21 22:22:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:46,950 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:46,953 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:47,265 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:47,425 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:47,425 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:22:47,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:47 BoogieIcfgContainer [2023-11-21 22:22:47,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:47,430 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:47,430 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:47,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:47,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:46" (1/3) ... [2023-11-21 22:22:47,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a944dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:47, skipping insertion in model container [2023-11-21 22:22:47,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:46" (2/3) ... [2023-11-21 22:22:47,443 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a944dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:47, skipping insertion in model container [2023-11-21 22:22:47,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:47" (3/3) ... [2023-11-21 22:22:47,445 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20.cil.c [2023-11-21 22:22:47,466 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:47,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:47,514 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:47,520 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;@50849173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:47,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-21 22:22:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 22:22:47,536 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:47,537 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:47,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:47,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:47,543 INFO L85 PathProgramCache]: Analyzing trace with hash -694603906, now seen corresponding path program 1 times [2023-11-21 22:22:47,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:47,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155387816] [2023-11-21 22:22:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:47,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-21 22:22:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:22:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:22:47,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:47,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155387816] [2023-11-21 22:22:47,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155387816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:47,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:47,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:22:47,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059006421] [2023-11-21 22:22:47,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:47,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:22:47,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:22:47,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:22:47,878 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:47,954 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2023-11-21 22:22:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:22:47,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-21 22:22:47,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:47,975 INFO L225 Difference]: With dead ends: 116 [2023-11-21 22:22:47,975 INFO L226 Difference]: Without dead ends: 54 [2023-11-21 22:22:47,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:22:47,987 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:47,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:22:48,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-21 22:22:48,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-21 22:22:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-21 22:22:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2023-11-21 22:22:48,049 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2023-11-21 22:22:48,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:48,049 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2023-11-21 22:22:48,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 22:22:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:22:48,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:48,052 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:48,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:48,053 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:48,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2142284948, now seen corresponding path program 1 times [2023-11-21 22:22:48,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008256943] [2023-11-21 22:22:48,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-21 22:22:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:22:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:22:48,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:48,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008256943] [2023-11-21 22:22:48,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008256943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:48,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:48,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:22:48,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765831912] [2023-11-21 22:22:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:48,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:48,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:48,199 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:48,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:48,272 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2023-11-21 22:22:48,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:48,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-21 22:22:48,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:48,277 INFO L225 Difference]: With dead ends: 80 [2023-11-21 22:22:48,277 INFO L226 Difference]: Without dead ends: 46 [2023-11-21 22:22:48,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:48,280 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:48,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:22:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-21 22:22:48,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-21 22:22:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-21 22:22:48,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-21 22:22:48,296 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2023-11-21 22:22:48,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:48,296 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-21 22:22:48,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-21 22:22:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 22:22:48,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:48,300 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:48,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:22:48,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:48,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,306 INFO L85 PathProgramCache]: Analyzing trace with hash -853795042, now seen corresponding path program 1 times [2023-11-21 22:22:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822318360] [2023-11-21 22:22:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:22:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-21 22:22:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:22:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:48,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822318360] [2023-11-21 22:22:48,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822318360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:48,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:48,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:22:48,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930125814] [2023-11-21 22:22:48,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:48,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:22:48,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:48,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:48,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:48,492 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:22:48,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:48,559 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2023-11-21 22:22:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:48,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-21 22:22:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:48,564 INFO L225 Difference]: With dead ends: 134 [2023-11-21 22:22:48,564 INFO L226 Difference]: Without dead ends: 90 [2023-11-21 22:22:48,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:48,567 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:48,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 101 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 22:22:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-21 22:22:48,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2023-11-21 22:22:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-21 22:22:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2023-11-21 22:22:48,599 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2023-11-21 22:22:48,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:48,601 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2023-11-21 22:22:48,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-21 22:22:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2023-11-21 22:22:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 22:22:48,605 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:48,605 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:48,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:22:48,606 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:48,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,606 INFO L85 PathProgramCache]: Analyzing trace with hash -764317543, now seen corresponding path program 1 times [2023-11-21 22:22:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027939700] [2023-11-21 22:22:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-21 22:22:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:22:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 22:22:48,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:48,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027939700] [2023-11-21 22:22:48,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027939700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:48,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:48,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:22:48,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467699343] [2023-11-21 22:22:48,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:48,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:22:48,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:48,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:48,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:48,889 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:49,085 INFO L93 Difference]: Finished difference Result 158 states and 205 transitions. [2023-11-21 22:22:49,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:22:49,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-21 22:22:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:49,088 INFO L225 Difference]: With dead ends: 158 [2023-11-21 22:22:49,088 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:22:49,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:22:49,103 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:49,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 103 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 22:22:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:22:49,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:22:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:22:49,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-21 22:22:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:49,106 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:22:49,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 22:22:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:22:49,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:22:49,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:22:49,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:22:49,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:22:49,294 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 854 861) no Hoare annotation was computed. [2023-11-21 22:22:49,296 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 861) the Hoare annotation is: true [2023-11-21 22:22:49,296 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 813 819) no Hoare annotation was computed. [2023-11-21 22:22:49,297 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 813 819) the Hoare annotation is: true [2023-11-21 22:22:49,297 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-11-21 22:22:49,297 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-11-21 22:22:49,298 INFO L895 garLoopResultBuilder]: At program point L543(line 543) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:22:49,298 INFO L899 garLoopResultBuilder]: For program point L543-1(line 543) no Hoare annotation was computed. [2023-11-21 22:22:49,298 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2023-11-21 22:22:49,299 INFO L899 garLoopResultBuilder]: For program point L800-1(lines 800 806) no Hoare annotation was computed. [2023-11-21 22:22:49,299 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 837) no Hoare annotation was computed. [2023-11-21 22:22:49,299 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 842) no Hoare annotation was computed. [2023-11-21 22:22:49,329 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:22:49,329 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-11-21 22:22:49,330 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 555) no Hoare annotation was computed. [2023-11-21 22:22:49,330 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 558) no Hoare annotation was computed. [2023-11-21 22:22:49,330 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 533 561) no Hoare annotation was computed. [2023-11-21 22:22:49,330 INFO L899 garLoopResultBuilder]: For program point L793-2(lines 789 811) no Hoare annotation was computed. [2023-11-21 22:22:49,330 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 786 812) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:22:49,330 INFO L895 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-21 22:22:49,331 INFO L899 garLoopResultBuilder]: For program point L546(lines 546 552) no Hoare annotation was computed. [2023-11-21 22:22:49,331 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-21 22:22:49,331 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 786 812) no Hoare annotation was computed. [2023-11-21 22:22:49,331 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2023-11-21 22:22:49,331 INFO L895 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-21 22:22:49,331 INFO L899 garLoopResultBuilder]: For program point L840-1(lines 821 845) no Hoare annotation was computed. [2023-11-21 22:22:49,331 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 612 641) no Hoare annotation was computed. [2023-11-21 22:22:49,332 INFO L899 garLoopResultBuilder]: For program point L637(lines 612 641) no Hoare annotation was computed. [2023-11-21 22:22:49,332 INFO L899 garLoopResultBuilder]: For program point L633(line 633) no Hoare annotation was computed. [2023-11-21 22:22:49,332 INFO L899 garLoopResultBuilder]: For program point L626(lines 626 630) no Hoare annotation was computed. [2023-11-21 22:22:49,332 INFO L902 garLoopResultBuilder]: At program point L626-1(lines 626 630) the Hoare annotation is: true [2023-11-21 22:22:49,332 INFO L902 garLoopResultBuilder]: At program point L622-2(lines 622 636) the Hoare annotation is: true [2023-11-21 22:22:49,332 INFO L902 garLoopResultBuilder]: At program point L618(line 618) the Hoare annotation is: true [2023-11-21 22:22:49,333 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 641) the Hoare annotation is: true [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L618-1(line 618) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 703) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L696-2(lines 696 703) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L775(lines 712 779) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 748) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L899 garLoopResultBuilder]: For program point L742-1(lines 742 748) no Hoare annotation was computed. [2023-11-21 22:22:49,333 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:22:49,334 INFO L899 garLoopResultBuilder]: For program point L941(lines 941 947) no Hoare annotation was computed. [2023-11-21 22:22:49,334 INFO L899 garLoopResultBuilder]: For program point L941-1(lines 941 947) no Hoare annotation was computed. [2023-11-21 22:22:49,334 INFO L895 garLoopResultBuilder]: At program point L772(lines 721 773) the Hoare annotation is: false [2023-11-21 22:22:49,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:22:49,334 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2023-11-21 22:22:49,334 INFO L895 garLoopResultBuilder]: At program point L760-2(lines 752 767) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:22:49,335 INFO L899 garLoopResultBuilder]: For program point L723(lines 722 771) no Hoare annotation was computed. [2023-11-21 22:22:49,335 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 767) no Hoare annotation was computed. [2023-11-21 22:22:49,335 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:22:49,335 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:22:49,335 INFO L895 garLoopResultBuilder]: At program point L769(lines 722 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-21 22:22:49,335 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2023-11-21 22:22:49,335 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2023-11-21 22:22:49,336 INFO L895 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: false [2023-11-21 22:22:49,336 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-11-21 22:22:49,336 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-11-21 22:22:49,336 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 873 881) no Hoare annotation was computed. [2023-11-21 22:22:49,336 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 873 881) the Hoare annotation is: true [2023-11-21 22:22:49,340 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 22:22:49,342 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:49,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:49 BoogieIcfgContainer [2023-11-21 22:22:49,355 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:49,355 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:49,355 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:49,356 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:49,356 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:47" (3/4) ... [2023-11-21 22:22:49,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:22:49,363 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-21 22:22:49,363 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-21 22:22:49,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-21 22:22:49,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-21 22:22:49,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-21 22:22:49,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-21 22:22:49,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-21 22:22:49,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-21 22:22:49,381 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 22:22:49,382 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 22:22:49,383 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:22:49,383 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:22:49,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:22:49,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:22:49,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:49,516 INFO L158 Benchmark]: Toolchain (without parser) took 3474.35ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 102.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,517 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:49,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.67ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 90.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.31ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,518 INFO L158 Benchmark]: Boogie Preprocessor took 48.89ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,519 INFO L158 Benchmark]: RCFGBuilder took 647.52ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 61.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,519 INFO L158 Benchmark]: TraceAbstraction took 1924.94ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 109.8MB in the end (delta: -48.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,519 INFO L158 Benchmark]: Witness Printer took 160.41ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 102.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:22:49,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.67ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 90.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.31ms. Allocated memory is still 142.6MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.89ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.52ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 61.5MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1924.94ms. Allocated memory is still 142.6MB. Free memory was 61.0MB in the beginning and 109.8MB in the end (delta: -48.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 160.41ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 102.5MB 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 780]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780] * 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: 605]: 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, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 192 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 121 PreInvPairs, 131 NumberOfFragments, 79 HoareAnnotationTreeSize, 121 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 192 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:22:49,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd57cb97-9538-412d-b2d7-f4454ebd0642/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE