./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 02:58:02,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 02:58:02,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 02:58:02,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 02:58:02,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 02:58:02,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 02:58:02,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 02:58:02,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 02:58:02,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 02:58:02,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 02:58:02,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 02:58:02,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 02:58:02,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 02:58:02,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 02:58:02,940 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 02:58:02,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 02:58:02,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 02:58:02,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 02:58:02,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 02:58:02,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 02:58:02,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 02:58:02,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 02:58:02,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 02:58:02,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 02:58:02,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 02:58:02,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 02:58:02,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 02:58:02,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:58:02,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 02:58:02,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 02:58:02,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 02:58:02,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 02:58:02,947 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:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b [2024-10-11 02:58:03,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 02:58:03,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 02:58:03,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 02:58:03,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 02:58:03,177 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 02:58:03,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2024-10-11 02:58:04,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 02:58:04,582 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 02:58:04,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c [2024-10-11 02:58:04,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fabd0686c/44bfa052a56740b1b816826629e6170c/FLAG881acb682 [2024-10-11 02:58:04,941 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fabd0686c/44bfa052a56740b1b816826629e6170c [2024-10-11 02:58:04,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 02:58:04,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 02:58:04,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 02:58:04,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 02:58:04,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 02:58:04,953 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:58:04" (1/1) ... [2024-10-11 02:58:04,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ba454a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:04, skipping insertion in model container [2024-10-11 02:58:04,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:58:04" (1/1) ... [2024-10-11 02:58:04,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 02:58:05,189 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173] [2024-10-11 02:58:05,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:58:05,289 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 02:58:05,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2024-10-11 02:58:05,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [316] [2024-10-11 02:58:05,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [386] [2024-10-11 02:58:05,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [395] [2024-10-11 02:58:05,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] [2024-10-11 02:58:05,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [860] [2024-10-11 02:58:05,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886] [2024-10-11 02:58:05,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [990] [2024-10-11 02:58:05,318 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c[6160,6173] [2024-10-11 02:58:05,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 02:58:05,394 INFO L204 MainTranslator]: Completed translation [2024-10-11 02:58:05,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05 WrapperNode [2024-10-11 02:58:05,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 02:58:05,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 02:58:05,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 02:58:05,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 02:58:05,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,445 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 220 [2024-10-11 02:58:05,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 02:58:05,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 02:58:05,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 02:58:05,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 02:58:05,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,472 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]. [2024-10-11 02:58:05,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 02:58:05,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 02:58:05,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 02:58:05,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 02:58:05,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (1/1) ... [2024-10-11 02:58:05,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 02:58:05,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:58:05,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 02:58:05,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 02:58:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 02:58:05,571 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-10-11 02:58:05,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-10-11 02:58:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-10-11 02:58:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-10-11 02:58:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-10-11 02:58:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-10-11 02:58:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-10-11 02:58:05,572 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-10-11 02:58:05,572 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-10-11 02:58:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-10-11 02:58:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-10-11 02:58:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-10-11 02:58:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:58:05,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:58:05,573 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-10-11 02:58:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-10-11 02:58:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-10-11 02:58:05,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-10-11 02:58:05,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 02:58:05,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-10-11 02:58:05,575 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-10-11 02:58:05,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 02:58:05,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 02:58:05,655 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 02:58:05,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 02:58:05,912 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-10-11 02:58:05,913 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 02:58:05,963 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 02:58:05,963 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 02:58:05,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:05 BoogieIcfgContainer [2024-10-11 02:58:05,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 02:58:05,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 02:58:05,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 02:58:05,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 02:58:05,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:58:04" (1/3) ... [2024-10-11 02:58:05,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7743addb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:58:05, skipping insertion in model container [2024-10-11 02:58:05,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:58:05" (2/3) ... [2024-10-11 02:58:05,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7743addb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:58:05, skipping insertion in model container [2024-10-11 02:58:05,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:05" (3/3) ... [2024-10-11 02:58:05,973 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2024-10-11 02:58:05,988 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 02:58:05,989 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 02:58:06,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 02:58:06,055 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;@20575870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 02:58:06,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 02:58:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 60 states have (on average 1.5) internal successors, (90), 71 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 02:58:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-11 02:58:06,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:06,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:06,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:06,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:06,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1706072838, now seen corresponding path program 1 times [2024-10-11 02:58:06,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:06,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091704480] [2024-10-11 02:58:06,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:06,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 02:58:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:06,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:06,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091704480] [2024-10-11 02:58:06,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091704480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:06,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:06,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 02:58:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449281663] [2024-10-11 02:58:06,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:06,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 02:58:06,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:06,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 02:58:06,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 02:58:06,262 INFO L87 Difference]: Start difference. First operand has 91 states, 60 states have (on average 1.5) internal successors, (90), 71 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:06,314 INFO L93 Difference]: Finished difference Result 180 states and 257 transitions. [2024-10-11 02:58:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 02:58:06,316 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-10-11 02:58:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:06,322 INFO L225 Difference]: With dead ends: 180 [2024-10-11 02:58:06,322 INFO L226 Difference]: Without dead ends: 86 [2024-10-11 02:58:06,325 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 [2024-10-11 02:58:06,329 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:06,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-10-11 02:58:06,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-10-11 02:58:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-11 02:58:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 117 transitions. [2024-10-11 02:58:06,414 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 117 transitions. Word has length 16 [2024-10-11 02:58:06,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:06,414 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 117 transitions. [2024-10-11 02:58:06,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2024-10-11 02:58:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-11 02:58:06,416 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:06,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:06,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 02:58:06,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:06,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:06,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2126597316, now seen corresponding path program 1 times [2024-10-11 02:58:06,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:06,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470309123] [2024-10-11 02:58:06,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:06,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 02:58:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:06,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:06,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470309123] [2024-10-11 02:58:06,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470309123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:06,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:06,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:58:06,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950776746] [2024-10-11 02:58:06,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:06,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:58:06,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:06,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:58:06,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:06,507 INFO L87 Difference]: Start difference. First operand 86 states and 117 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:06,544 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2024-10-11 02:58:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:58:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-10-11 02:58:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:06,548 INFO L225 Difference]: With dead ends: 142 [2024-10-11 02:58:06,548 INFO L226 Difference]: Without dead ends: 78 [2024-10-11 02:58:06,549 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 [2024-10-11 02:58:06,550 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:06,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 169 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-11 02:58:06,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-11 02:58:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 62 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 02:58:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2024-10-11 02:58:06,565 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 17 [2024-10-11 02:58:06,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:06,565 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2024-10-11 02:58:06,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2024-10-11 02:58:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-11 02:58:06,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:06,566 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] [2024-10-11 02:58:06,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 02:58:06,566 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:06,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:06,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1717343287, now seen corresponding path program 1 times [2024-10-11 02:58:06,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:06,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587276744] [2024-10-11 02:58:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:06,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587276744] [2024-10-11 02:58:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587276744] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:06,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:06,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 02:58:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586556162] [2024-10-11 02:58:06,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:06,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 02:58:06,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:06,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 02:58:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:06,665 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:06,735 INFO L93 Difference]: Finished difference Result 230 states and 315 transitions. [2024-10-11 02:58:06,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 02:58:06,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-10-11 02:58:06,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:06,737 INFO L225 Difference]: With dead ends: 230 [2024-10-11 02:58:06,737 INFO L226 Difference]: Without dead ends: 154 [2024-10-11 02:58:06,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 02:58:06,739 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 93 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:06,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 197 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 02:58:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-11 02:58:06,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2024-10-11 02:58:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.43) internal successors, (143), 119 states have internal predecessors, (143), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 02:58:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 207 transitions. [2024-10-11 02:58:06,762 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 207 transitions. Word has length 20 [2024-10-11 02:58:06,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:06,762 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 207 transitions. [2024-10-11 02:58:06,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-11 02:58:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2024-10-11 02:58:06,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-11 02:58:06,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:06,764 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] [2024-10-11 02:58:06,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 02:58:06,764 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:06,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:06,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1372780797, now seen corresponding path program 1 times [2024-10-11 02:58:06,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:06,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051719334] [2024-10-11 02:58:06,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:06,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 02:58:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:06,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:06,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:06,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051719334] [2024-10-11 02:58:06,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051719334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:06,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 02:58:06,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142498337] [2024-10-11 02:58:06,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:06,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 02:58:06,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 02:58:06,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 02:58:06,860 INFO L87 Difference]: Start difference. First operand 151 states and 207 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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) [2024-10-11 02:58:06,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:06,967 INFO L93 Difference]: Finished difference Result 392 states and 547 transitions. [2024-10-11 02:58:06,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 02:58:06,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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 23 [2024-10-11 02:58:06,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:06,971 INFO L225 Difference]: With dead ends: 392 [2024-10-11 02:58:06,971 INFO L226 Difference]: Without dead ends: 243 [2024-10-11 02:58:06,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:58:06,977 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 60 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:06,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 242 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:58:06,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-10-11 02:58:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 242. [2024-10-11 02:58:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 165 states have (on average 1.3515151515151516) internal successors, (223), 184 states have internal predecessors, (223), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2024-10-11 02:58:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 319 transitions. [2024-10-11 02:58:07,007 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 319 transitions. Word has length 23 [2024-10-11 02:58:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:07,007 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 319 transitions. [2024-10-11 02:58:07,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 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) [2024-10-11 02:58:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 319 transitions. [2024-10-11 02:58:07,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 02:58:07,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:07,012 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:07,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 02:58:07,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:07,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:07,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1299507789, now seen corresponding path program 1 times [2024-10-11 02:58:07,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:07,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969102767] [2024-10-11 02:58:07,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:07,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 02:58:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 02:58:07,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:07,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969102767] [2024-10-11 02:58:07,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969102767] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:07,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:07,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 02:58:07,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311061947] [2024-10-11 02:58:07,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:07,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:58:07,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:58:07,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:58:07,157 INFO L87 Difference]: Start difference. First operand 242 states and 319 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 02:58:07,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:07,358 INFO L93 Difference]: Finished difference Result 532 states and 721 transitions. [2024-10-11 02:58:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:58:07,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-11 02:58:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:07,361 INFO L225 Difference]: With dead ends: 532 [2024-10-11 02:58:07,361 INFO L226 Difference]: Without dead ends: 292 [2024-10-11 02:58:07,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:58:07,363 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 58 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:07,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 218 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 02:58:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-11 02:58:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 290. [2024-10-11 02:58:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 199 states have (on average 1.321608040201005) internal successors, (263), 218 states have internal predecessors, (263), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2024-10-11 02:58:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 377 transitions. [2024-10-11 02:58:07,393 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 377 transitions. Word has length 47 [2024-10-11 02:58:07,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:07,393 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 377 transitions. [2024-10-11 02:58:07,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 02:58:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 377 transitions. [2024-10-11 02:58:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 02:58:07,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:07,395 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:07,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 02:58:07,395 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:07,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:07,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1361547403, now seen corresponding path program 1 times [2024-10-11 02:58:07,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:07,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83071094] [2024-10-11 02:58:07,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:07,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 02:58:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 02:58:07,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:07,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83071094] [2024-10-11 02:58:07,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83071094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:07,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:07,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 02:58:07,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276965519] [2024-10-11 02:58:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:58:07,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:58:07,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:58:07,515 INFO L87 Difference]: Start difference. First operand 290 states and 377 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 02:58:07,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:07,662 INFO L93 Difference]: Finished difference Result 584 states and 783 transitions. [2024-10-11 02:58:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 02:58:07,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-11 02:58:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:07,664 INFO L225 Difference]: With dead ends: 584 [2024-10-11 02:58:07,665 INFO L226 Difference]: Without dead ends: 296 [2024-10-11 02:58:07,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:58:07,668 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 58 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:07,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 216 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:58:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-10-11 02:58:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2024-10-11 02:58:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 203 states have (on average 1.3152709359605912) internal successors, (267), 222 states have internal predecessors, (267), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2024-10-11 02:58:07,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 381 transitions. [2024-10-11 02:58:07,694 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 381 transitions. Word has length 47 [2024-10-11 02:58:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:07,695 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 381 transitions. [2024-10-11 02:58:07,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-11 02:58:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 381 transitions. [2024-10-11 02:58:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 02:58:07,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:07,697 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:07,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 02:58:07,698 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:07,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:07,698 INFO L85 PathProgramCache]: Analyzing trace with hash 852074313, now seen corresponding path program 1 times [2024-10-11 02:58:07,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:07,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839540264] [2024-10-11 02:58:07,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 02:58:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 02:58:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839540264] [2024-10-11 02:58:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839540264] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:07,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:07,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 02:58:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154052293] [2024-10-11 02:58:07,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:07,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 02:58:07,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:07,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 02:58:07,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 02:58:07,809 INFO L87 Difference]: Start difference. First operand 294 states and 381 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 02:58:08,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:08,167 INFO L93 Difference]: Finished difference Result 935 states and 1303 transitions. [2024-10-11 02:58:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 02:58:08,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 47 [2024-10-11 02:58:08,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:08,172 INFO L225 Difference]: With dead ends: 935 [2024-10-11 02:58:08,172 INFO L226 Difference]: Without dead ends: 643 [2024-10-11 02:58:08,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 02:58:08,174 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 216 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:08,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 315 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 02:58:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-11 02:58:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 635. [2024-10-11 02:58:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 440 states have (on average 1.3113636363636363) internal successors, (577), 475 states have internal predecessors, (577), 104 states have call successors, (104), 87 states have call predecessors, (104), 90 states have return successors, (172), 98 states have call predecessors, (172), 104 states have call successors, (172) [2024-10-11 02:58:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 853 transitions. [2024-10-11 02:58:08,230 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 853 transitions. Word has length 47 [2024-10-11 02:58:08,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:08,230 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 853 transitions. [2024-10-11 02:58:08,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-11 02:58:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 853 transitions. [2024-10-11 02:58:08,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 02:58:08,233 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:08,233 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:08,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 02:58:08,233 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:08,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1595001251, now seen corresponding path program 1 times [2024-10-11 02:58:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847429708] [2024-10-11 02:58:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 02:58:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 02:58:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-11 02:58:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 02:58:08,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:08,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847429708] [2024-10-11 02:58:08,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847429708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:08,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:08,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 02:58:08,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755684525] [2024-10-11 02:58:08,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:08,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 02:58:08,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:08,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 02:58:08,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 02:58:08,349 INFO L87 Difference]: Start difference. First operand 635 states and 853 transitions. Second operand has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 02:58:08,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:08,882 INFO L93 Difference]: Finished difference Result 2080 states and 2896 transitions. [2024-10-11 02:58:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-11 02:58:08,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-10-11 02:58:08,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:08,889 INFO L225 Difference]: With dead ends: 2080 [2024-10-11 02:58:08,890 INFO L226 Difference]: Without dead ends: 1447 [2024-10-11 02:58:08,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-10-11 02:58:08,893 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 316 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:08,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 258 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 02:58:08,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2024-10-11 02:58:08,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1441. [2024-10-11 02:58:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 992 states have (on average 1.2671370967741935) internal successors, (1257), 1077 states have internal predecessors, (1257), 248 states have call successors, (248), 174 states have call predecessors, (248), 200 states have return successors, (444), 240 states have call predecessors, (444), 248 states have call successors, (444) [2024-10-11 02:58:08,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1949 transitions. [2024-10-11 02:58:08,982 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1949 transitions. Word has length 51 [2024-10-11 02:58:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:08,984 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1949 transitions. [2024-10-11 02:58:08,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-11 02:58:08,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1949 transitions. [2024-10-11 02:58:08,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 02:58:08,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:08,986 INFO L215 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, 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] [2024-10-11 02:58:08,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 02:58:08,986 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:08,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:08,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1392670433, now seen corresponding path program 1 times [2024-10-11 02:58:08,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:08,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363658197] [2024-10-11 02:58:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 02:58:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 02:58:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 02:58:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 02:58:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 02:58:09,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:09,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363658197] [2024-10-11 02:58:09,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363658197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:58:09,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016196998] [2024-10-11 02:58:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:09,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:58:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:58:09,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:58:09,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 02:58:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:09,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 02:58:09,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:58:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 02:58:09,490 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:58:09,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016196998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:09,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:58:09,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-10-11 02:58:09,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273186474] [2024-10-11 02:58:09,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:09,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 02:58:09,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:09,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 02:58:09,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-10-11 02:58:09,492 INFO L87 Difference]: Start difference. First operand 1441 states and 1949 transitions. Second operand has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 02:58:09,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:09,737 INFO L93 Difference]: Finished difference Result 2824 states and 3834 transitions. [2024-10-11 02:58:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 02:58:09,738 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-10-11 02:58:09,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:09,744 INFO L225 Difference]: With dead ends: 2824 [2024-10-11 02:58:09,744 INFO L226 Difference]: Without dead ends: 1385 [2024-10-11 02:58:09,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-10-11 02:58:09,749 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 72 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:09,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 803 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 02:58:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-11 02:58:09,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1385. [2024-10-11 02:58:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 952 states have (on average 1.2531512605042017) internal successors, (1193), 1035 states have internal predecessors, (1193), 242 states have call successors, (242), 170 states have call predecessors, (242), 190 states have return successors, (400), 228 states have call predecessors, (400), 242 states have call successors, (400) [2024-10-11 02:58:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1835 transitions. [2024-10-11 02:58:09,824 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1835 transitions. Word has length 55 [2024-10-11 02:58:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:09,824 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1835 transitions. [2024-10-11 02:58:09,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 02:58:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1835 transitions. [2024-10-11 02:58:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-11 02:58:09,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:09,827 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-10-11 02:58:09,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 02:58:10,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:58:10,032 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:10,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1446669023, now seen corresponding path program 1 times [2024-10-11 02:58:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:10,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248568160] [2024-10-11 02:58:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 02:58:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-11 02:58:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 02:58:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 02:58:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-11 02:58:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 02:58:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 02:58:10,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:10,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248568160] [2024-10-11 02:58:10,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248568160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:10,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 02:58:10,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 02:58:10,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582244894] [2024-10-11 02:58:10,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:10,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 02:58:10,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:10,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 02:58:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 02:58:10,112 INFO L87 Difference]: Start difference. First operand 1385 states and 1835 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 02:58:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:10,503 INFO L93 Difference]: Finished difference Result 1582 states and 2081 transitions. [2024-10-11 02:58:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 02:58:10,503 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 78 [2024-10-11 02:58:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:10,508 INFO L225 Difference]: With dead ends: 1582 [2024-10-11 02:58:10,508 INFO L226 Difference]: Without dead ends: 672 [2024-10-11 02:58:10,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-11 02:58:10,511 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 408 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:10,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 138 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 02:58:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-10-11 02:58:10,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 670. [2024-10-11 02:58:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 461 states have (on average 1.210412147505423) internal successors, (558), 497 states have internal predecessors, (558), 115 states have call successors, (115), 84 states have call predecessors, (115), 93 states have return successors, (192), 110 states have call predecessors, (192), 115 states have call successors, (192) [2024-10-11 02:58:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 865 transitions. [2024-10-11 02:58:10,566 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 865 transitions. Word has length 78 [2024-10-11 02:58:10,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:10,566 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 865 transitions. [2024-10-11 02:58:10,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-11 02:58:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 865 transitions. [2024-10-11 02:58:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-11 02:58:10,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 02:58:10,567 INFO L215 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2024-10-11 02:58:10,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 02:58:10,568 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 02:58:10,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 02:58:10,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1017964511, now seen corresponding path program 1 times [2024-10-11 02:58:10,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 02:58:10,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630273016] [2024-10-11 02:58:10,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:10,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 02:58:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 02:58:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 02:58:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 02:58:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 02:58:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-11 02:58:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 02:58:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 02:58:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 02:58:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 02:58:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 02:58:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 02:58:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 02:58:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 02:58:10,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 02:58:10,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630273016] [2024-10-11 02:58:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630273016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 02:58:10,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72035085] [2024-10-11 02:58:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 02:58:10,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:58:10,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 02:58:10,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 02:58:10,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 02:58:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 02:58:10,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-11 02:58:10,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 02:58:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-11 02:58:10,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 02:58:10,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72035085] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 02:58:10,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 02:58:10,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2024-10-11 02:58:10,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408893774] [2024-10-11 02:58:10,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 02:58:10,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 02:58:10,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 02:58:10,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 02:58:10,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-10-11 02:58:10,976 INFO L87 Difference]: Start difference. First operand 670 states and 865 transitions. Second operand has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:58:11,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 02:58:11,155 INFO L93 Difference]: Finished difference Result 1241 states and 1612 transitions. [2024-10-11 02:58:11,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 02:58:11,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 102 [2024-10-11 02:58:11,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 02:58:11,158 INFO L225 Difference]: With dead ends: 1241 [2024-10-11 02:58:11,158 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 02:58:11,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-10-11 02:58:11,161 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 57 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 02:58:11,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 894 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 02:58:11,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 02:58:11,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 02:58:11,162 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) [2024-10-11 02:58:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 02:58:11,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2024-10-11 02:58:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 02:58:11,163 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 02:58:11,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2024-10-11 02:58:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 02:58:11,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 02:58:11,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 02:58:11,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 02:58:11,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 02:58:11,372 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 02:58:11,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 02:58:14,773 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 02:58:14,789 WARN L155 FloydHoareUtils]: Requires clause for deactivatePump contained old-variable. Original clause: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1) (and .cse0 .cse3 .cse4)))) Eliminated clause: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse2 .cse1) (and .cse0 .cse3 .cse4))) [2024-10-11 02:58:14,797 WARN L155 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (and (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 |old(~methaneLevelCritical~0)|)) (.cse3 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 .cse1 .cse4) (and .cse3 .cse4))) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) Eliminated clause: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 .cse4 .cse2))) [2024-10-11 02:58:14,808 WARN L155 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse3 (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse2 .cse1) (and .cse0 .cse3))) (or (= ~pumpRunning~0 0) (not .cse3)) (= |old(~waterLevel~0)| ~waterLevel~0))) Eliminated clause: (let ((.cse3 (= 0 ~systemActive~0))) (and (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse2 .cse1) (and .cse0 .cse3))) (or (= ~pumpRunning~0 0) (not .cse3)))) [2024-10-11 02:58:14,823 WARN L155 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__highWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0 (= |old(~pumpRunning~0)| 0))))) Eliminated clause: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 0) .cse0) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0))) [2024-10-11 02:58:14,832 WARN L155 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= |old(~waterLevel~0)| ~waterLevel~0) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 .cse4 .cse2)))) Eliminated clause: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 .cse4 .cse2))) [2024-10-11 02:58:14,839 WARN L155 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0 (= |old(~pumpRunning~0)| 0))))) Eliminated clause: (let ((.cse0 (= 1 ~systemActive~0))) (or (and (= ~methaneLevelCritical~0 0) .cse0) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0))) [2024-10-11 02:58:14,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:58:14 BoogieIcfgContainer [2024-10-11 02:58:14,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 02:58:14,850 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 02:58:14,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 02:58:14,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 02:58:14,851 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:58:05" (3/4) ... [2024-10-11 02:58:14,853 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 02:58:14,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-10-11 02:58:14,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-10-11 02:58:14,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-10-11 02:58:14,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-10-11 02:58:14,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-10-11 02:58:14,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-10-11 02:58:14,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-10-11 02:58:14,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-10-11 02:58:14,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-10-11 02:58:14,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-10-11 02:58:14,865 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-10-11 02:58:14,867 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-11 02:58:14,867 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 02:58:14,867 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:58:14,868 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 02:58:14,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 02:58:14,964 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 02:58:14,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 02:58:14,965 INFO L158 Benchmark]: Toolchain (without parser) took 10019.04ms. Allocated memory was 132.1MB in the beginning and 255.9MB in the end (delta: 123.7MB). Free memory was 61.8MB in the beginning and 90.0MB in the end (delta: -28.3MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,965 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 02:58:14,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.46ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 61.4MB in the beginning and 138.8MB in the end (delta: -77.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.39ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 135.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,966 INFO L158 Benchmark]: Boogie Preprocessor took 40.01ms. Allocated memory is still 176.2MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,966 INFO L158 Benchmark]: RCFGBuilder took 476.73ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 108.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,967 INFO L158 Benchmark]: TraceAbstraction took 8884.84ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 107.3MB in the beginning and 98.4MB in the end (delta: 8.9MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,967 INFO L158 Benchmark]: Witness Printer took 114.23ms. Allocated memory is still 255.9MB. Free memory was 98.4MB in the beginning and 90.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 02:58:14,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.46ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 61.4MB in the beginning and 138.8MB in the end (delta: -77.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.39ms. Allocated memory is still 176.2MB. Free memory was 138.8MB in the beginning and 135.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.01ms. Allocated memory is still 176.2MB. Free memory was 135.8MB in the beginning and 133.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.73ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 108.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8884.84ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 107.3MB in the beginning and 98.4MB in the end (delta: 8.9MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. * Witness Printer took 114.23ms. Allocated memory is still 255.9MB. Free memory was 98.4MB in the beginning and 90.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 316]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [316] - GenericResultAtLocation [Line: 386]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [386] - GenericResultAtLocation [Line: 395]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [395] - GenericResultAtLocation [Line: 761]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] - GenericResultAtLocation [Line: 860]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [860] - GenericResultAtLocation [Line: 886]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886] - GenericResultAtLocation [Line: 990]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [990] * 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: 391]: 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 11 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1398 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1352 mSDsluCounter, 3557 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2478 mSDsCounter, 473 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2040 IncrementalHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 473 mSolverCounterUnsat, 1079 mSDtfsCounter, 2040 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 362 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1441occurred in iteration=8, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 24 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 1205 SizeOfPredicates, 1 NumberOfNonLiveVariables, 545 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 101/112 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: 329]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (0 == systemActive)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) - ProcedureContractResult [Line: 199]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: (((((1 <= methaneLevelCritical) && (1 == systemActive)) || (((methaneLevelCritical == 0) && (2 <= waterLevel)) && (0 != systemActive))) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((1 <= methaneLevelCritical) && (2 <= waterLevel)) && (0 != systemActive))) Ensures: ((pumpRunning == 0) && (((((1 <= methaneLevelCritical) && (1 == systemActive)) || (((methaneLevelCritical == 0) && (2 <= waterLevel)) && (0 != systemActive))) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((1 <= methaneLevelCritical) && (2 <= waterLevel)) && (0 != systemActive)))) - ProcedureContractResult [Line: 89]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (((methaneLevelCritical == 0) && (1 == systemActive)) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) Ensures: (((methaneLevelCritical == 0) && (1 == systemActive)) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) - ProcedureContractResult [Line: 914]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (0 == systemActive))) Ensures: ((((((((pumpRunning == 0) && (1 <= \old(methaneLevelCritical))) && (0 == systemActive)) || (((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (0 == systemActive))) || (((pumpRunning == 0) && (1 <= \old(methaneLevelCritical))) && (1 == systemActive))) || ((\old(methaneLevelCritical) == 0) && (1 == systemActive))) && ((\old(methaneLevelCritical) != 0) || (0 < methaneLevelCritical))) && ((methaneLevelCritical == 0) || (\old(methaneLevelCritical) < 1))) - ProcedureContractResult [Line: 763]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 926]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (((((1 <= methaneLevelCritical) && (1 == systemActive)) || (((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive))) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (0 == systemActive))) Ensures: ((\result == methaneLevelCritical) && (((((1 <= methaneLevelCritical) && (1 == systemActive)) || (((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive))) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (0 == systemActive)))) - ProcedureContractResult [Line: 65]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((((((1 <= methaneLevelCritical) && (1 == systemActive)) || ((methaneLevelCritical == 0) && (0 == systemActive))) || ((methaneLevelCritical == 0) && (1 == systemActive))) || ((1 <= methaneLevelCritical) && (0 == systemActive))) && ((pumpRunning == 0) || (0 != systemActive))) Ensures: (((((((1 < \old(waterLevel)) || (waterLevel < 2)) && (((0 == systemActive) || ((pumpRunning == 0) && (1 == systemActive))) || (methaneLevelCritical < 1))) && (((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || (1 < waterLevel))) && ((pumpRunning == 0) || (0 != systemActive))) && (((((methaneLevelCritical == 0) && (1 == systemActive)) || ((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0))) || (((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (0 == systemActive))) || ((1 <= methaneLevelCritical) && (0 != systemActive)))) && ((\old(pumpRunning) != 0) || (\old(waterLevel) == waterLevel))) - ProcedureContractResult [Line: 97]: Procedure Contract for processEnvironment__wrappee__highWaterSensor Derived contract for procedure processEnvironment__wrappee__highWaterSensor. Requires: (((methaneLevelCritical == 0) && (1 == systemActive)) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) Ensures: (((((1 <= methaneLevelCritical) && (1 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive))) && ((pumpRunning == \old(pumpRunning)) || (1 < waterLevel))) && ((methaneLevelCritical < 1) || ((pumpRunning == 0) && (\old(pumpRunning) == 0)))) - ProcedureContractResult [Line: 902]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (0 == systemActive))) Ensures: (((\old(waterLevel) < 2) || (\old(waterLevel) == waterLevel)) && ((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (0 == systemActive)))) - ProcedureContractResult [Line: 123]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: (((methaneLevelCritical == 0) && (1 == systemActive)) || (((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive))) Ensures: (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || (1 < waterLevel)) && (((1 <= methaneLevelCritical) && (1 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive)))) && ((methaneLevelCritical < 1) || ((pumpRunning == 0) && (\old(pumpRunning) == 0)))) - ProcedureContractResult [Line: 207]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: (((1 <= methaneLevelCritical) && (1 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive))) Ensures: (((methaneLevelCritical < ((long long) \result + 1)) || (methaneLevelCritical < 1)) && (((1 <= methaneLevelCritical) && (1 == systemActive)) || ((methaneLevelCritical == 0) && (1 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-10-11 02:58:14,992 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE